

<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.weatherford.com/role/AccountsReceivableFactoring" xlink:href="wft-20171231.xsd#AccountsReceivableFactoring" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/AccountsReceivableFactoringAndOtherReceivablesDetails" xlink:href="wft-20171231.xsd#AccountsReceivableFactoringAndOtherReceivablesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/AcquisitionsDetails" xlink:href="wft-20171231.xsd#AcquisitionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/BusinessCombinationsAndDivestitures" xlink:href="wft-20171231.xsd#BusinessCombinationsAndDivestitures" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/BusinessCombinationsAndDivestituresCarryingAmountOfHeldForSaleDetails" xlink:href="wft-20171231.xsd#BusinessCombinationsAndDivestituresCarryingAmountOfHeldForSaleDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/BusinessCombinationsAndDivestituresCarryingAmountsOfMajorAssetsAndLiabilitiesClassesDetails" xlink:href="wft-20171231.xsd#BusinessCombinationsAndDivestituresCarryingAmountsOfMajorAssetsAndLiabilitiesClassesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/BusinessCombinationsAndDivestituresTables" xlink:href="wft-20171231.xsd#BusinessCombinationsAndDivestituresTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/Commitments" xlink:href="wft-20171231.xsd#Commitments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/CommitmentsAndOtherContingenciesNarrativeDetails" xlink:href="wft-20171231.xsd#CommitmentsAndOtherContingenciesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/CommitmentsAndOtherContingenciesOperatingLeaseDetails" xlink:href="wft-20171231.xsd#CommitmentsAndOtherContingenciesOperatingLeaseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/CommitmentsAndOtherContingenciesTables" xlink:href="wft-20171231.xsd#CommitmentsAndOtherContingenciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatedBalanceSheets" xlink:href="wft-20171231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="wft-20171231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="wft-20171231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:href="wft-20171231.xsd#ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatedStatementsOfOperations" xlink:href="wft-20171231.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:href="wft-20171231.xsd#ConsolidatedStatementsOfShareholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatingFinancialStatements" xlink:href="wft-20171231.xsd#ConsolidatingFinancialStatements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatingFinancialStatementsCondensedConsolidatingBalanceSheetDetails" xlink:href="wft-20171231.xsd#ConsolidatingFinancialStatementsCondensedConsolidatingBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatingFinancialStatementsCondensedConsolidatingStatementOfCashFlowsDetails" xlink:href="wft-20171231.xsd#ConsolidatingFinancialStatementsCondensedConsolidatingStatementOfCashFlowsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatingFinancialStatementsCondensedConsolidatingStatementOfOperationsDetails" xlink:href="wft-20171231.xsd#ConsolidatingFinancialStatementsCondensedConsolidatingStatementOfOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatingFinancialStatementsNarrativeDetails" xlink:href="wft-20171231.xsd#ConsolidatingFinancialStatementsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ConsolidatingFinancialStatementsTables" xlink:href="wft-20171231.xsd#ConsolidatingFinancialStatementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DerivativeInstruments" xlink:href="wft-20171231.xsd#DerivativeInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DerivativeInstrumentsNarrativeDetails" xlink:href="wft-20171231.xsd#DerivativeInstrumentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DerivativeInstrumentsScheduleOfDerivativesDetails" xlink:href="wft-20171231.xsd#DerivativeInstrumentsScheduleOfDerivativesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DerivativeInstrumentsTables" xlink:href="wft-20171231.xsd#DerivativeInstrumentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DisputesLitigationAndContingencies" xlink:href="wft-20171231.xsd#DisputesLitigationAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DisputesLitigationAndContingenciesDetails" xlink:href="wft-20171231.xsd#DisputesLitigationAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DivestituresNarrativeDetails" xlink:href="wft-20171231.xsd#DivestituresNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/DocumentAndEntityInformation" xlink:href="wft-20171231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/EarningsPerShare" xlink:href="wft-20171231.xsd#EarningsPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/EarningsPerShareAntidilutiveSharesDetails" xlink:href="wft-20171231.xsd#EarningsPerShareAntidilutiveSharesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/EarningsPerShareTables" xlink:href="wft-20171231.xsd#EarningsPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/EarningsPerShareWeightedAverageSharesOutstandingDetails" xlink:href="wft-20171231.xsd#EarningsPerShareWeightedAverageSharesOutstandingDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/EquityInvestments" xlink:href="wft-20171231.xsd#EquityInvestments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/EquityInvestmentsNarrativeDetails" xlink:href="wft-20171231.xsd#EquityInvestmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/FairValueOfFinancialInstruments" xlink:href="wft-20171231.xsd#FairValueOfFinancialInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/FairValueOfFinancialInstrumentsAssetsAndEquityInvestementsDetails" xlink:href="wft-20171231.xsd#FairValueOfFinancialInstrumentsAssetsAndEquityInvestementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/FairValueOfFinancialInstrumentsAssetsAndEquityInvestementsTables" xlink:href="wft-20171231.xsd#FairValueOfFinancialInstrumentsAssetsAndEquityInvestementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/Goodwill" xlink:href="wft-20171231.xsd#Goodwill" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillNarrativeDetails" xlink:href="wft-20171231.xsd#GoodwillNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillScheduleOfGoodwillDetails" xlink:href="wft-20171231.xsd#GoodwillScheduleOfGoodwillDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillTables" xlink:href="wft-20171231.xsd#GoodwillTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxes" xlink:href="wft-20171231.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesNarrativeDetails" xlink:href="wft-20171231.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" xlink:href="wft-20171231.xsd#IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:href="wft-20171231.xsd#IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" xlink:href="wft-20171231.xsd#IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsRollForwardDetails" xlink:href="wft-20171231.xsd#IncomeTaxesScheduleOfUnrecognizedTaxBenefitsRollForwardDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesSummaryOfIncomeTaxContingenciesDetails" xlink:href="wft-20171231.xsd#IncomeTaxesSummaryOfIncomeTaxContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesTables" xlink:href="wft-20171231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IntangibleAssetsAmortizationOfIntangibleAssetsDetails" xlink:href="wft-20171231.xsd#IntangibleAssetsAmortizationOfIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IntangibleAssetsNarrativeDetails" xlink:href="wft-20171231.xsd#IntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IntangibleAssetsScheduleOfIntangibleAssetsDetails" xlink:href="wft-20171231.xsd#IntangibleAssetsScheduleOfIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/IntangibleAssetsTables" xlink:href="wft-20171231.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNet" xlink:href="wft-20171231.xsd#InventoriesNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNetNarrativeDetails" xlink:href="wft-20171231.xsd#InventoriesNetNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNetScheduleOfInventoryDetails" xlink:href="wft-20171231.xsd#InventoriesNetScheduleOfInventoryDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNetTables" xlink:href="wft-20171231.xsd#InventoriesNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongLivedAssetImpairmentsNarrativeDetails" xlink:href="wft-20171231.xsd#LongLivedAssetImpairmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongLivedAssetImpairmentsNotes" xlink:href="wft-20171231.xsd#LongLivedAssetImpairmentsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongTermDebt" xlink:href="wft-20171231.xsd#LongTermDebt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongTermDebtNarrativeDetails" xlink:href="wft-20171231.xsd#LongTermDebtNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongTermDebtScheduleOfDebtMaturityDetails" xlink:href="wft-20171231.xsd#LongTermDebtScheduleOfDebtMaturityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongTermDebtScheduleOfLongTermDebtDetails" xlink:href="wft-20171231.xsd#LongTermDebtScheduleOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/LongTermDebtTables" xlink:href="wft-20171231.xsd#LongTermDebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/OtherIntangibleAssets" xlink:href="wft-20171231.xsd#OtherIntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/PercentageOfCompletionContracts" xlink:href="wft-20171231.xsd#PercentageOfCompletionContracts" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/PercentageOfCompletionContractsDetails" xlink:href="wft-20171231.xsd#PercentageOfCompletionContractsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/QuarterlyFinancialDataUnaudited" xlink:href="wft-20171231.xsd#QuarterlyFinancialDataUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/QuarterlyFinancialDataUnauditedNarrativeDetails" xlink:href="wft-20171231.xsd#QuarterlyFinancialDataUnauditedNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/QuarterlyFinancialDataUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:href="wft-20171231.xsd#QuarterlyFinancialDataUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/QuarterlyFinancialDataUnauditedTables" xlink:href="wft-20171231.xsd#QuarterlyFinancialDataUnauditedTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringCharges" xlink:href="wft-20171231.xsd#RestructuringCharges" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringChargesNarrativeDetails" xlink:href="wft-20171231.xsd#RestructuringChargesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringChargesRestructuringChargesDetails" xlink:href="wft-20171231.xsd#RestructuringChargesRestructuringChargesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringChargesRestructuringLiabilityDetails" xlink:href="wft-20171231.xsd#RestructuringChargesRestructuringLiabilityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringChargesTables" xlink:href="wft-20171231.xsd#RestructuringChargesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlans" xlink:href="wft-20171231.xsd#RetirementAndEmployeeBenefitPlans" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlansAssumptionsDetails" xlink:href="wft-20171231.xsd#RetirementAndEmployeeBenefitPlansAssumptionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlansNarrativeDetails" xlink:href="wft-20171231.xsd#RetirementAndEmployeeBenefitPlansNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlansTables" xlink:href="wft-20171231.xsd#RetirementAndEmployeeBenefitPlansTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ScheduleIiValuationAndQualifyingAccountsAndAllowances" xlink:href="wft-20171231.xsd#ScheduleIiValuationAndQualifyingAccountsAndAllowances" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ScheduleIiValuationAndQualifyingAccountsAndAllowancesDetails" xlink:href="wft-20171231.xsd#ScheduleIiValuationAndQualifyingAccountsAndAllowancesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformation" xlink:href="wft-20171231.xsd#SegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationGeographicAreasDetails" xlink:href="wft-20171231.xsd#SegmentInformationGeographicAreasDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationNarrativeDetails" xlink:href="wft-20171231.xsd#SegmentInformationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationProductsAndServicesDetails" xlink:href="wft-20171231.xsd#SegmentInformationProductsAndServicesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationSegmentInformationDetails" xlink:href="wft-20171231.xsd#SegmentInformationSegmentInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationTables" xlink:href="wft-20171231.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensation" xlink:href="wft-20171231.xsd#ShareBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensationNarrativeDetails" xlink:href="wft-20171231.xsd#ShareBasedCompensationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensationPerformanceUnitActivityDetails" xlink:href="wft-20171231.xsd#ShareBasedCompensationPerformanceUnitActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensationRestrictedStockActivityDetails" xlink:href="wft-20171231.xsd#ShareBasedCompensationRestrictedStockActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensationScheduleOfShareBasedCompensationExpenseDetails" xlink:href="wft-20171231.xsd#ShareBasedCompensationScheduleOfShareBasedCompensationExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensationStockOptionActivityDetails" xlink:href="wft-20171231.xsd#ShareBasedCompensationStockOptionActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareBasedCompensationTables" xlink:href="wft-20171231.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquity" xlink:href="wft-20171231.xsd#ShareholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityChangesInAccumulatedOtherComprehensiveIncomeLossDetails" xlink:href="wft-20171231.xsd#ShareholdersEquityChangesInAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityNarrativeDetails" xlink:href="wft-20171231.xsd#ShareholdersEquityNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityScheduleOfSharesIssuedAndTreasuryStockDetails" xlink:href="wft-20171231.xsd#ShareholdersEquityScheduleOfSharesIssuedAndTreasuryStockDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityTables" xlink:href="wft-20171231.xsd#ShareholdersEquityTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShortTermBorrowingsAndCurrentPortionOfLongTermDebt" xlink:href="wft-20171231.xsd#ShortTermBorrowingsAndCurrentPortionOfLongTermDebt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsLineOfCreditDetails" xlink:href="wft-20171231.xsd#ShortTermBorrowingsAndOtherDebtObligationsLineOfCreditDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsLineOfCreditFacilityTables" xlink:href="wft-20171231.xsd#ShortTermBorrowingsAndOtherDebtObligationsLineOfCreditFacilityTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsNarrativeDetails" xlink:href="wft-20171231.xsd#ShortTermBorrowingsAndOtherDebtObligationsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsScheduleOfShortTermDebtDetails" xlink:href="wft-20171231.xsd#ShortTermBorrowingsAndOtherDebtObligationsScheduleOfShortTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsTables" xlink:href="wft-20171231.xsd#ShortTermBorrowingsAndOtherDebtObligationsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SubsequentEvents" xlink:href="wft-20171231.xsd#SubsequentEvents" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SubsequentEventsDetails" xlink:href="wft-20171231.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesChangeInReportableSegmentsDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesChangeInReportableSegmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesForeignCurrencyDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesForeignCurrencyDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesForeignCurrencyDevaluationDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesForeignCurrencyDevaluationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesIntangibleAssetsDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesMajorCustomersAndCreditRiskDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesMajorCustomersAndCreditRiskDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesNewAccountingPronouncementsDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesNewAccountingPronouncementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesOrganizationAndNatureOfOperationsDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesOrganizationAndNatureOfOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="wft-20171231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SupplementaryInformation" xlink:href="wft-20171231.xsd#SupplementaryInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SupplementaryInformationScheduleOfCashPaidForInterestAndTaxesDetails" xlink:href="wft-20171231.xsd#SupplementaryInformationScheduleOfCashPaidForInterestAndTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.weatherford.com/role/SupplementaryInformationTables" xlink:href="wft-20171231.xsd#SupplementaryInformationTables" xlink:type="simple" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/AccountsReceivableFactoring" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/AccountsReceivableFactoringAndOtherReceivablesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/AcquisitionsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BusinessCombinationsAndDivestitures" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BusinessCombinationsAndDivestituresCarryingAmountOfHeldForSaleDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BusinessCombinationsAndDivestituresCarryingAmountsOfMajorAssetsAndLiabilitiesClassesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BusinessCombinationsAndDivestituresTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/Commitments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CommitmentsAndOtherContingenciesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CommitmentsAndOtherContingenciesOperatingLeaseDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_5046b63b-148e-eb12-dd52-2a1e8f1e69c0" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_5046b63b-148e-eb12-dd52-2a1e8f1e69c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_483c5d20-89a2-da39-b56f-2ea722d97042" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_483c5d20-89a2-da39-b56f-2ea722d97042" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_b5a3356e-f555-ddd5-297a-b04afe0bfd5c" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_b5a3356e-f555-ddd5-297a-b04afe0bfd5c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6818de09-a032-5221-5ee6-896e1c2d0634" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6818de09-a032-5221-5ee6-896e1c2d0634" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_56f89e4f-d247-3cf0-a749-00554ab475a6" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_56f89e4f-d247-3cf0-a749-00554ab475a6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_fb0efb32-4bb1-57d0-236e-d8af81dc125f" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_fb0efb32-4bb1-57d0-236e-d8af81dc125f" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CommitmentsAndOtherContingenciesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_4261eb63-a0fe-7be1-e8a2-dcf5644ff056" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_ReceivablesNetCurrent_4261eb63-a0fe-7be1-e8a2-dcf5644ff056" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_e844b255-713b-0357-7991-a8c78d02cb50" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_e844b255-713b-0357-7991-a8c78d02cb50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_1cb4a384-e314-2300-ad55-c1ed289c8f7a" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_OtherAssetsCurrent_1cb4a384-e314-2300-ad55-c1ed289c8f7a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_7ccd4058-c821-b334-f2ba-45d4b5754cc1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_LandBuildingsandLeaseholdImprovementsGross" xlink:label="loc_wft_LandBuildingsandLeaseholdImprovementsGross_74da857c-54c6-54be-629e-65282b3315ab" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_wft_LandBuildingsandLeaseholdImprovementsGross_74da857c-54c6-54be-629e-65282b3315ab" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_RentalandServiceEquipmentGross" xlink:label="loc_wft_RentalandServiceEquipmentGross_e277e8a6-b972-bfed-a2c3-65282d8ba629" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_wft_RentalandServiceEquipmentGross_e277e8a6-b972-bfed-a2c3-65282d8ba629" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_MachineryandOtherGross" xlink:label="loc_wft_MachineryandOtherGross_609cd23b-1802-600d-31db-65282f3ab0d0" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:to="loc_wft_MachineryandOtherGross_609cd23b-1802-600d-31db-65282f3ab0d0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5551841b-83e0-4644-fca8-d4027d932c0a" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5551841b-83e0-4644-fca8-d4027d932c0a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1fe06082-076b-052d-6e2e-930afe9d6b2d" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1fe06082-076b-052d-6e2e-930afe9d6b2d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_cf3b9d2e-b42f-76bb-8c85-9bcfc4c76505" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_EquityMethodInvestments_cf3b9d2e-b42f-76bb-8c85-9bcfc4c76505" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:to="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_CommonStockValue_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_41895068-9590-2880-73df-521995865843" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_41895068-9590-2880-73df-521995865843" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04f0961a-a0bc-88cf-6658-3f950da4a458" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04f0961a-a0bc-88cf-6658-3f950da4a458" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_cb565c4d-35c2-d825-4672-f1619e51c133" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_00443492-92dd-7fc1-13b6-792f3e163e73" xlink:to="loc_us-gaap_MinorityInterest_cb565c4d-35c2-d825-4672-f1619e51c133" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_7a72b51a-735c-1ad4-bd3f-d9bcf2d6a26d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_AccountsPayableCurrent_7a72b51a-735c-1ad4-bd3f-d9bcf2d6a26d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_cf9ed09f-3dd1-4a4b-d3fc-3b0db18c1b40" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_cf9ed09f-3dd1-4a4b-d3fc-3b0db18c1b40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="loc_us-gaap_TaxesPayableCurrent_8544ed0a-bea0-b1fa-ce65-66a1927d2672" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_TaxesPayableCurrent_8544ed0a-bea0-b1fa-ce65-66a1927d2672" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_b4e6cca3-6c62-3e0a-6782-510b974f1199" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_b4e6cca3-6c62-3e0a-6782-510b974f1199" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_37b0c31d-5d8b-0577-dfd9-aa56a79334e3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_37b0c31d-5d8b-0577-dfd9-aa56a79334e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_32424e4b-3b4f-6262-5789-7226e08c0507" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_32424e4b-3b4f-6262-5789-7226e08c0507" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_9736aeb1-8f27-0618-b96d-5cca622e7cd0" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_9736aeb1-8f27-0618-b96d-5cca622e7cd0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWriteDown" xlink:label="loc_us-gaap_InventoryWriteDown_465a701c-1a09-e612-58d3-e97e6f9af962" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_InventoryWriteDown_465a701c-1a09-e612-58d3-e97e6f9af962" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_GoodwillandEquityMethodInvestmentsImpairmentLoss" xlink:label="loc_wft_GoodwillandEquityMethodInvestmentsImpairmentLoss_98cffc7a-e3de-262d-aaf3-651a71a503ee" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_wft_GoodwillandEquityMethodInvestmentsImpairmentLoss_98cffc7a-e3de-262d-aaf3-651a71a503ee" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCostsAndAssetImpairmentCharges" xlink:label="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_c99da944-0dff-a90d-07b5-5787dd33a82e" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_c99da944-0dff-a90d-07b5-5787dd33a82e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPensionPlanObligations" xlink:label="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_3010f871-1415-1c12-4a8d-e1c224a0b7e0" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_3010f871-1415-1c12-4a8d-e1c224a0b7e0" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_ForeignCurrencyDevaluationLossbeforeTax" xlink:label="loc_wft_ForeignCurrencyDevaluationLossbeforeTax_16786abb-fe64-131f-99fa-651a70d93743" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_wft_ForeignCurrencyDevaluationLossbeforeTax_16786abb-fe64-131f-99fa-651a70d93743" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LitigationSettlementExpense" xlink:label="loc_us-gaap_LitigationSettlementExpense_58ce9b83-14ec-becd-d9b4-8d51ba4f6656" xlink:type="locator" />
    <link:calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_LitigationSettlementExpense_58ce9b83-14ec-becd-d9b4-8d51ba4f6656" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_BondTenderPremiumNet" xlink:label="loc_wft_BondTenderPremiumNet_da3cdc6b-bb3b-8e77-c36a-651a71b1222f" xlink:type="locator" />
    <link:calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_wft_BondTenderPremiumNet_da3cdc6b-bb3b-8e77-c36a-651a71b1222f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_a6c2180f-7264-34c4-3d88-c30d1cc151d8" xlink:type="locator" />
    <link:calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_a6c2180f-7264-34c4-3d88-c30d1cc151d8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_3bb02469-191c-4baa-c8ee-e08be21b11bb" xlink:type="locator" />
    <link:calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_3bb02469-191c-4baa-c8ee-e08be21b11bb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_d5dace7e-16a2-02a1-4993-85329c91fc1e" xlink:type="locator" />
    <link:calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_d5dace7e-16a2-02a1-4993-85329c91fc1e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="locator" />
    <link:calculationArc order="15" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_a03c3c0d-252e-29bc-7cf3-bf2d2a4db702" xlink:type="locator" />
    <link:calculationArc order="16" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_a03c3c0d-252e-29bc-7cf3-bf2d2a4db702" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_371a4d3e-148a-313f-f556-b3ca6797139e" xlink:type="locator" />
    <link:calculationArc order="17" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_371a4d3e-148a-313f-f556-b3ca6797139e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_dd4bfa5e-1979-c817-e8a9-371104c0d4f7" xlink:type="locator" />
    <link:calculationArc order="18" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_dd4bfa5e-1979-c817-e8a9-371104c0d4f7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_bf3f9720-ba63-7ecd-52ae-e754a6f349db" xlink:type="locator" />
    <link:calculationArc order="19" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_bf3f9720-ba63-7ecd-52ae-e754a6f349db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_2dda25d5-7739-c1f6-acbf-76965aaf9644" xlink:type="locator" />
    <link:calculationArc order="20" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_2dda25d5-7739-c1f6-acbf-76965aaf9644" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_ed38aedf-17a0-9062-826e-1ea210c311c0" xlink:type="locator" />
    <link:calculationArc order="21" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_ed38aedf-17a0-9062-826e-1ea210c311c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings" xlink:label="loc_us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings_ac78514f-5b0b-6160-8e86-a42e2aa39a6c" xlink:type="locator" />
    <link:calculationArc order="22" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings_ac78514f-5b0b-6160-8e86-a42e2aa39a6c" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_IncreaseDecreaseinAccruedLitigationandSettlements" xlink:label="loc_wft_IncreaseDecreaseinAccruedLitigationandSettlements_4A26FA8C0BE44CEF1E41771798758A1D" xlink:type="locator" />
    <link:calculationArc order="23" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_wft_IncreaseDecreaseinAccruedLitigationandSettlements_4A26FA8C0BE44CEF1E41771798758A1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_cc375194-a38e-33da-b1f1-b2b16c2222e2" xlink:type="locator" />
    <link:calculationArc order="24" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_cc375194-a38e-33da-b1f1-b2b16c2222e2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_962cfc51-230d-a221-126b-1d12af7a5921" xlink:type="locator" />
    <link:calculationArc order="25" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_962cfc51-230d-a221-126b-1d12af7a5921" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAssetsHeldForSale" xlink:label="loc_us-gaap_IncreaseDecreaseInAssetsHeldForSale_b3c400d3-49eb-16a8-32db-f715636abd6e" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_IncreaseDecreaseInAssetsHeldForSale_b3c400d3-49eb-16a8-32db-f715636abd6e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_9d35c912-5b2d-89f7-eeb3-812a0511db5e" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_9d35c912-5b2d-89f7-eeb3-812a0511db5e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_3be9d1aa-8098-ddda-91ce-5e44ee6678ae" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_3be9d1aa-8098-ddda-91ce-5e44ee6678ae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_a160c1f0-d22c-ab08-525d-d447421b559b" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_a160c1f0-d22c-ab08-525d-d447421b559b" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_Proceedspaymentsfromsaleofbusinessesandequityinvestmentnet" xlink:label="loc_wft_Proceedspaymentsfromsaleofbusinessesandequityinvestmentnet_aab6919c-50c5-d396-c34b-651a718581e3" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_wft_Proceedspaymentsfromsaleofbusinessesandequityinvestmentnet_aab6919c-50c5-d396-c34b-651a718581e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_f7ed6106-862d-edb5-3fd1-677e7651af64" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_f7ed6106-862d-edb5-3fd1-677e7651af64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities" xlink:label="loc_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_24ed0e48-9c9c-5922-c409-f6dbe196e9a6" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_24ed0e48-9c9c-5922-c409-f6dbe196e9a6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5eaab9ea-3795-2871-0d80-72b9662e37e6" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5eaab9ea-3795-2871-0d80-72b9662e37e6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e5f1c7a4-b42a-8461-2001-b1f20e51b257" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e5f1c7a4-b42a-8461-2001-b1f20e51b257" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_d5129950-188d-bd48-3f2d-a2da6428a3b8" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_d5129950-188d-bd48-3f2d-a2da6428a3b8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_27f3e695-baed-1adc-cc35-793c3b76e4f9" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_27f3e695-baed-1adc-cc35-793c3b76e4f9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_dbbd5d91-eb58-fa81-2753-d9ddf4ada4c1" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_dbbd5d91-eb58-fa81-2753-d9ddf4ada4c1" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_PaymentsforBondTenderPremium" xlink:label="loc_wft_PaymentsforBondTenderPremium_8e01d8f8-70c6-8d21-f806-651a717391df" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_wft_PaymentsforBondTenderPremium_8e01d8f8-70c6-8d21-f806-651a717391df" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireEquipmentOnLease" xlink:label="loc_us-gaap_PaymentsToAcquireEquipmentOnLease_a4718e29-4efd-5cb1-e582-07d8b94da9af" xlink:type="locator" />
    <link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsToAcquireEquipmentOnLease_a4718e29-4efd-5cb1-e582-07d8b94da9af" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9c4e2a5c-e841-39a2-fcf8-f80cfa44af11" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9c4e2a5c-e841-39a2-fcf8-f80cfa44af11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_8629a772-7004-5d77-9980-0f501e29c5c8" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_8629a772-7004-5d77-9980-0f501e29c5c8" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_351eeed0-a987-88e4-c007-095f3644ffff" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_351eeed0-a987-88e4-c007-095f3644ffff" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_2652b636-1a3b-e639-2800-d9ed5b9b4fc0" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_2652b636-1a3b-e639-2800-d9ed5b9b4fc0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeOtherNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeOtherNetOfTax_7c127d06-548a-c853-6553-ec01c57f7490" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeOtherNetOfTax_7c127d06-548a-c853-6553-ec01c57f7490" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7908f590-67cb-1122-d422-880e24cad7ce" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_499015ce-2160-aed2-85a3-080e8c4c6cdf" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7908f590-67cb-1122-d422-880e24cad7ce" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_ff017a48-8743-bfac-8af0-ca31401cb6de" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_SalesRevenueNet_ff017a48-8743-bfac-8af0-ca31401cb6de" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_318cebec-2b05-42bf-a988-02b2e99cecfb" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesRevenueNet_ff017a48-8743-bfac-8af0-ca31401cb6de" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_318cebec-2b05-42bf-a988-02b2e99cecfb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_ad6c862c-c374-70de-502e-5f168b553492" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesRevenueNet_ff017a48-8743-bfac-8af0-ca31401cb6de" xlink:to="loc_us-gaap_SalesRevenueServicesNet_ad6c862c-c374-70de-502e-5f168b553492" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_23c68b7c-81fb-cba2-1814-b7ab4991d5d0" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_CostOfGoodsSold_23c68b7c-81fb-cba2-1814-b7ab4991d5d0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_578bfc43-608e-bdc8-e57a-2803c355c0d9" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_CostOfServices_578bfc43-608e-bdc8-e57a-2803c355c0d9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_25ae5ce2-b413-b975-9a84-c7503d2496cf" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_25ae5ce2-b413-b975-9a84-c7503d2496cf" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_SellingGeneralandAdministrativeExpensePortionAttributabletoSegments" xlink:label="loc_wft_SellingGeneralandAdministrativeExpensePortionAttributabletoSegments_7693b841-fed6-738c-58ce-651a716e65ae" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_wft_SellingGeneralandAdministrativeExpensePortionAttributabletoSegments_7693b841-fed6-738c-58ce-651a716e65ae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_87411e46-c979-a1ff-e8b3-f4f75d86b855" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_87411e46-c979-a1ff-e8b3-f4f75d86b855" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_AssetWriteDownandOther" xlink:label="loc_wft_AssetWriteDownandOther_46D1B31A8C8A4C1E17D77A826EBBFFC8" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_wft_AssetWriteDownandOther_46D1B31A8C8A4C1E17D77A826EBBFFC8" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_GoodwillandEquityMethodInvestmentsImpairmentLoss" xlink:label="loc_wft_GoodwillandEquityMethodInvestmentsImpairmentLoss_98cffc7a-e3de-262d-aaf3-651a71a503ee" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_wft_GoodwillandEquityMethodInvestmentsImpairmentLoss_98cffc7a-e3de-262d-aaf3-651a71a503ee" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingencyAccrualProvision" xlink:label="loc_us-gaap_LossContingencyAccrualProvision_8edecb72-1896-c0f4-96c1-af9d830b8944" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_LossContingencyAccrualProvision_8edecb72-1896-c0f4-96c1-af9d830b8944" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_0427ef0c-6a82-1061-c648-71b3a1a70634" xlink:type="locator" />
    <link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_0d9ff7d0-e871-5bdf-adbd-21d7dbf57556" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_0427ef0c-6a82-1061-c648-71b3a1a70634" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_b45ea963-e439-fc81-a491-c6c695e6ceb3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_b45ea963-e439-fc81-a491-c6c695e6ceb3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_a03c3c0d-252e-29bc-7cf3-bf2d2a4db702" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_a03c3c0d-252e-29bc-7cf3-bf2d2a4db702" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_ForeignCurrencyDevaluationLossbeforeTax" xlink:label="loc_wft_ForeignCurrencyDevaluationLossbeforeTax_16786abb-fe64-131f-99fa-651a70d93743" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_wft_ForeignCurrencyDevaluationLossbeforeTax_16786abb-fe64-131f-99fa-651a70d93743" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_BondTenderPremiumNet" xlink:label="loc_wft_BondTenderPremiumNet_da3cdc6b-bb3b-8e77-c36a-651a71b1222f" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_wft_BondTenderPremiumNet_da3cdc6b-bb3b-8e77-c36a-651a71b1222f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a53f52a4-7a54-3283-f734-95683c76ebff" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_baabbf0a-644b-708a-c310-1211f9af2775" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_641b1cab-a2b3-2e0e-8389-1455ff3f8581" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_baabbf0a-644b-708a-c310-1211f9af2775" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatedStatementsOfShareholdersEquity" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatingFinancialStatements" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatingFinancialStatementsCondensedConsolidatingBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:type="locator" />
    <link:loc xlink:href="wft-20171231.xsd#wft_EquityMethodInvestmentsInAffiliates" xlink:label="loc_wft_EquityMethodInvestmentsInAffiliates_a1528111-ccaf-040c-ebfa-651a7169b265" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_wft_EquityMethodInvestmentsInAffiliates_a1528111-ccaf-040c-ebfa-651a7169b265" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_IntercompanyReceivablesNet" xlink:label="loc_wft_IntercompanyReceivablesNet_89f0e09f-b272-377c-f88e-651a716044dc" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_wft_IntercompanyReceivablesNet_89f0e09f-b272-377c-f88e-651a716044dc" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_OtherAssetsNoncurrentConsolidating" xlink:label="loc_wft_OtherAssetsNoncurrentConsolidating_066f1602-64dd-48b4-50a5-651a7164666f" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_wft_OtherAssetsNoncurrentConsolidating_066f1602-64dd-48b4-50a5-651a7164666f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_OtherAssetsCurrentConsolidating" xlink:label="loc_wft_OtherAssetsCurrentConsolidating_043f747b-c0af-4dd1-b6a8-651a71ce6719" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_wft_OtherAssetsCurrentConsolidating_043f747b-c0af-4dd1-b6a8-651a71ce6719" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_AccountsPayableandOtherLiabilitiesCurrent" xlink:label="loc_wft_AccountsPayableandOtherLiabilitiesCurrent_2eed8c70-98d3-77ac-8d6f-651a71ca7f4d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_wft_AccountsPayableandOtherLiabilitiesCurrent_2eed8c70-98d3-77ac-8d6f-651a71ca7f4d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_IntercompanyPayablesNet" xlink:label="loc_wft_IntercompanyPayablesNet_10477cfa-4cbe-57a0-5a96-651a71583348" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_wft_IntercompanyPayablesNet_10477cfa-4cbe-57a0-5a96-651a71583348" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_cb565c4d-35c2-d825-4672-f1619e51c133" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_MinorityInterest_cb565c4d-35c2-d825-4672-f1619e51c133" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatingFinancialStatementsCondensedConsolidatingStatementOfCashFlowsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_AdjustmentsNoncashItemsIntercompanyChargesToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="loc_wft_AdjustmentsNoncashItemsIntercompanyChargesToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_f71d11ad-b6e9-971a-4d47-651a719c3a29" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_wft_AdjustmentsNoncashItemsIntercompanyChargesToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_f71d11ad-b6e9-971a-4d47-651a719c3a29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_1c520208-bae2-1c51-b4b4-935e91f5fece" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_1c520208-bae2-1c51-b4b4-935e91f5fece" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_ProceedsfromPaymentsforOtherOperatingActivitiesConsolidating" xlink:label="loc_wft_ProceedsfromPaymentsforOtherOperatingActivitiesConsolidating_73efdcc0-0b0c-a019-d806-651a71b59ca0" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_wft_ProceedsfromPaymentsforOtherOperatingActivitiesConsolidating_73efdcc0-0b0c-a019-d806-651a71b59ca0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_27f3e695-baed-1adc-cc35-793c3b76e4f9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_27f3e695-baed-1adc-cc35-793c3b76e4f9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities_e4996c11-cdad-d52a-dc6e-b0d438f4eb32" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities_e4996c11-cdad-d52a-dc6e-b0d438f4eb32" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_ProceedsfromRepaymentsofDebtfromSubsidiariesNet" xlink:label="loc_wft_ProceedsfromRepaymentsofDebtfromSubsidiariesNet_ecf4f068-dd07-768f-24ad-651a717964e7" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_wft_ProceedsfromRepaymentsofDebtfromSubsidiariesNet_ecf4f068-dd07-768f-24ad-651a717964e7" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_ProceedsfromPaymentsforOtherFinancingActivitiesConsolidating" xlink:label="loc_wft_ProceedsfromPaymentsforOtherFinancingActivitiesConsolidating_b6702ba8-294c-a8a2-9e03-651a71802295" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_wft_ProceedsfromPaymentsforOtherFinancingActivitiesConsolidating_b6702ba8-294c-a8a2-9e03-651a71802295" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_dbbd5d91-eb58-fa81-2753-d9ddf4ada4c1" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_dbbd5d91-eb58-fa81-2753-d9ddf4ada4c1" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatingFinancialStatementsCondensedConsolidatingStatementOfOperationsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatingFinancialStatementsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ConsolidatingFinancialStatementsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DerivativeInstruments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DerivativeInstrumentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DerivativeInstrumentsScheduleOfDerivativesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DerivativeInstrumentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DisputesLitigationAndContingencies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DisputesLitigationAndContingenciesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DivestituresNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/EarningsPerShare" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/EarningsPerShareAntidilutiveSharesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/EarningsPerShareTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/EarningsPerShareWeightedAverageSharesOutstandingDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/EquityInvestments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/EquityInvestmentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/FairValueOfFinancialInstruments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/FairValueOfFinancialInstrumentsAssetsAndEquityInvestementsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/FairValueOfFinancialInstrumentsAssetsAndEquityInvestementsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/Goodwill" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillScheduleOfGoodwillDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxes" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d2250640-c0ab-3b70-41b7-136d9a4aad78" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d2250640-c0ab-3b70-41b7-136d9a4aad78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f75d01b7-d271-b07d-c4a7-6ae60293303d" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_644ceb1c-07ef-6a89-f014-9d7b5dfbc918" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_644ceb1c-07ef-6a89-f014-9d7b5dfbc918" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3541201a-a025-b00d-aec1-2cb167bdef44" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3541201a-a025-b00d-aec1-2cb167bdef44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_e56405b8-dd11-954e-a13b-53d9b95e2621" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_e56405b8-dd11-954e-a13b-53d9b95e2621" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_c63966d8-8cd7-cadc-7cf6-f799677021d3" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_c63966d8-8cd7-cadc-7cf6-f799677021d3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits_abd291fc-e1d7-7f11-bf97-282dd971e314" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits_abd291fc-e1d7-7f11-bf97-282dd971e314" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsInventory" xlink:label="loc_us-gaap_DeferredTaxAssetsInventory_211f9603-61ca-7ef7-2141-bb8ed157e3f6" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsInventory_211f9603-61ca-7ef7-2141-bb8ed157e3f6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_91623f44-5f42-408a-f7b7-7a4698afab83" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_91623f44-5f42-408a-f7b7-7a4698afab83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_46929883-d93f-69b0-5ded-4c800feeb57f" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_d74724c2-178d-7f3f-8e86-5f5ba690672c" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_46929883-d93f-69b0-5ded-4c800feeb57f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_644ceb1c-07ef-6a89-f014-9d7b5dfbc918" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_dde5eeca-2b71-60e2-a05c-fb2f2f5703af" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_dde5eeca-2b71-60e2-a05c-fb2f2f5703af" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_030085fb-acb6-10de-6242-21385094a659" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_030085fb-acb6-10de-6242-21385094a659" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_441e8df4-1776-cab6-87c9-34cb95534e24" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_441e8df4-1776-cab6-87c9-34cb95534e24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_d70f42f6-dff1-c651-93a7-3335cea9f242" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_d70f42f6-dff1-c651-93a7-3335cea9f242" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_40c7d4a7-f1a1-0c55-497e-f9a3bb09604c" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_bbf9fd06-b461-3f65-8882-6e322d99a60b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_40c7d4a7-f1a1-0c55-497e-f9a3bb09604c" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_16f0a3f7-750c-3f06-7b05-d8ae2aae120b" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_16f0a3f7-750c-3f06-7b05-d8ae2aae120b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_6f58335b-7001-079c-017e-8c9f80193d1b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_6f58335b-7001-079c-017e-8c9f80193d1b" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount" xlink:label="loc_wft_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount_2DF7E01089CD5233DA8987059A2463C5" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_wft_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount_2DF7E01089CD5233DA8987059A2463C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings" xlink:label="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_6adaed32-e25f-6f1e-c195-125b9a965baa" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_6adaed32-e25f-6f1e-c195-125b9a965baa" xlink:type="arc" />
    <link:loc xlink:href="wft-20171231.xsd#wft_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017ValuationAdjustmentAmount" xlink:label="loc_wft_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017ValuationAdjustmentAmount_30EC8F80FE6221B551AB870987DFE69D" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_wft_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017ValuationAdjustmentAmount_30EC8F80FE6221B551AB870987DFE69D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_5a4be234-601b-ead6-df60-5106285cb5b9" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_5a4be234-601b-ead6-df60-5106285cb5b9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_a7e9ffcb-0bd1-02f7-39c5-f13660c25557" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_a7e9ffcb-0bd1-02f7-39c5-f13660c25557" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsRollForwardDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesSummaryOfIncomeTaxContingenciesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IntangibleAssetsAmortizationOfIntangibleAssetsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IntangibleAssetsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IntangibleAssetsScheduleOfIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1fe06082-076b-052d-6e2e-930afe9d6b2d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5d62e128-f1a1-954f-82e2-1936cb67d793" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1fe06082-076b-052d-6e2e-930afe9d6b2d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5d62e128-f1a1-954f-82e2-1936cb67d793" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_c3ed8a56-abe0-6418-c541-e6b647d6318a" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_1fe06082-076b-052d-6e2e-930afe9d6b2d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_c3ed8a56-abe0-6418-c541-e6b647d6318a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IntangibleAssetsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNet" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNetNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNetScheduleOfInventoryDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_e852558b-d314-cf3d-b3e3-95a7fffa96fa" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_e852558b-d314-cf3d-b3e3-95a7fffa96fa" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_a3451b87-a72a-9fff-128b-969b95aecb3a" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_a3451b87-a72a-9fff-128b-969b95aecb3a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_b077ba6e-d590-fd28-6cc4-ab52e924ed70" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_b077ba6e-d590-fd28-6cc4-ab52e924ed70" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNetTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongLivedAssetImpairmentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongLivedAssetImpairmentsNotes" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongTermDebt" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongTermDebtNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongTermDebtScheduleOfDebtMaturityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_07fc9b71-5e9e-f38c-0c73-b038be276f66" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_07fc9b71-5e9e-f38c-0c73-b038be276f66" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_fd0898b3-8ac6-af74-6eb0-16df5479b1d8" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_fd0898b3-8ac6-af74-6eb0-16df5479b1d8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_afae3a47-9c39-3601-518d-0d7ae5a5a6c2" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_afae3a47-9c39-3601-518d-0d7ae5a5a6c2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9f5eb2fc-430b-08e9-97ff-7ba73d819a2f" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9f5eb2fc-430b-08e9-97ff-7ba73d819a2f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_82b54d4e-a983-1385-5e08-b1962e49d9a0" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_82b54d4e-a983-1385-5e08-b1962e49d9a0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_ba31165f-5220-17cb-3dfa-506eec2ab044" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_ba31165f-5220-17cb-3dfa-506eec2ab044" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongTermDebtScheduleOfLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_c63917e8-031d-3018-e68e-e4b72c6d04b8" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f68a050d-d5b6-1395-99ff-ed06c9a31fb4" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongTermDebtTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/OtherIntangibleAssets" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/PercentageOfCompletionContracts" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/PercentageOfCompletionContractsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/QuarterlyFinancialDataUnaudited" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/QuarterlyFinancialDataUnauditedNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/QuarterlyFinancialDataUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/QuarterlyFinancialDataUnauditedTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringCharges" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringChargesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringChargesRestructuringChargesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringChargesRestructuringLiabilityDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringChargesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlans" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlansAssumptionsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlansNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RetirementAndEmployeeBenefitPlansTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ScheduleIiValuationAndQualifyingAccountsAndAllowances" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ScheduleIiValuationAndQualifyingAccountsAndAllowancesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationGeographicAreasDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationProductsAndServicesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationSegmentInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensationNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensationPerformanceUnitActivityDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensationRestrictedStockActivityDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensationScheduleOfShareBasedCompensationExpenseDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensationStockOptionActivityDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareBasedCompensationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquity" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityChangesInAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityScheduleOfSharesIssuedAndTreasuryStockDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShortTermBorrowingsAndCurrentPortionOfLongTermDebt" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsLineOfCreditDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsLineOfCreditFacilityTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsScheduleOfShortTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_c4493b41-4418-ed41-2f06-05ff9c61369f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:to="loc_us-gaap_ShortTermBorrowings_c4493b41-4418-ed41-2f06-05ff9c61369f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_f61bf97e-c3a5-ba72-7591-eba8e7bb6a44" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:to="loc_us-gaap_LongTermDebtCurrent_f61bf97e-c3a5-ba72-7591-eba8e7bb6a44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtCurrent_f84a497d-68eb-d3d3-1597-16bfb6772366" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_13aaa34e-8d7d-009a-bd8a-20360af7ca09" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShortTermBorrowingsAndOtherDebtObligationsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SubsequentEvents" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SubsequentEventsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesChangeInReportableSegmentsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesForeignCurrencyDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesForeignCurrencyDevaluationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesIntangibleAssetsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesMajorCustomersAndCreditRiskDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesNewAccountingPronouncementsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesOrganizationAndNatureOfOperationsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SupplementaryInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SupplementaryInformationScheduleOfCashPaidForInterestAndTaxesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SupplementaryInformationTables" xlink:type="extended" />
</link:linkbase>




