<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:d93d8ed0-80c1-45bf-9067-8bf5af9f876d,g:4fb4a159-f856-4c2a-80c5-cfd39b68865f-->
<link:linkbase 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" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.weatherford.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="wft-20210331.xsd#DocumentandEntityInformation"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DocumentandEntityInformation" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="wft-20210331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_c38ec080-7a9d-43cb-9c51-111794d83d66" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2aef247d-b63f-4d15-859b-0381a3101d1d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_c38ec080-7a9d-43cb-9c51-111794d83d66" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2aef247d-b63f-4d15-859b-0381a3101d1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_c64c018c-fc16-4a7c-a9a9-ed384ca31b21" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_c38ec080-7a9d-43cb-9c51-111794d83d66" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_c64c018c-fc16-4a7c-a9a9-ed384ca31b21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_5ea6e54b-9976-45d2-92ba-dcd91447326a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_24ff3d7e-6e8a-478a-a9f4-8761fc13a17d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5ea6e54b-9976-45d2-92ba-dcd91447326a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_24ff3d7e-6e8a-478a-a9f4-8761fc13a17d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_b1cd7d77-0eb9-41cc-b260-1fea0cbb0c09" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5ea6e54b-9976-45d2-92ba-dcd91447326a" xlink:to="loc_us-gaap_CostsAndExpenses_b1cd7d77-0eb9-41cc-b260-1fea0cbb0c09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_f7403807-527d-485d-9930-46c9c8ef101e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_d4fa4d76-53ea-4f03-9fc0-34ef4bc6bd29" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f7403807-527d-485d-9930-46c9c8ef101e" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_d4fa4d76-53ea-4f03-9fc0-34ef4bc6bd29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_a7ae58ae-d8e2-4d9f-a5a7-2dba84798dbe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f7403807-527d-485d-9930-46c9c8ef101e" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_a7ae58ae-d8e2-4d9f-a5a7-2dba84798dbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6185f899-4d4d-4421-a74a-d60eaca2f29e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f7403807-527d-485d-9930-46c9c8ef101e" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6185f899-4d4d-4421-a74a-d60eaca2f29e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_a678558c-7d37-4aaf-8faf-9ebd0bed7509" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f7403807-527d-485d-9930-46c9c8ef101e" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_a678558c-7d37-4aaf-8faf-9ebd0bed7509" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_5bbcbda1-c33f-451a-9de0-8163f0a30df1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_f7403807-527d-485d-9930-46c9c8ef101e" xlink:to="loc_us-gaap_RestructuringCharges_5bbcbda1-c33f-451a-9de0-8163f0a30df1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_37947774-cc44-4c4b-87ff-7a784e566ff5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_5f95a02e-13f7-45dd-9f85-f196f3f8687a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_37947774-cc44-4c4b-87ff-7a784e566ff5" xlink:to="loc_us-gaap_ProfitLoss_5f95a02e-13f7-45dd-9f85-f196f3f8687a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3df82783-563a-45f8-ad37-1d35758fb689" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_37947774-cc44-4c4b-87ff-7a784e566ff5" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3df82783-563a-45f8-ad37-1d35758fb689" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_edced226-148f-4a76-8bc4-eb4763ae342b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_da058998-6486-46fc-8a47-083b785928ef" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_edced226-148f-4a76-8bc4-eb4763ae342b" xlink:to="loc_us-gaap_OperatingIncomeLoss_da058998-6486-46fc-8a47-083b785928ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_f21078cc-e1a0-45d0-91f8-dfec437bff02" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_edced226-148f-4a76-8bc4-eb4763ae342b" xlink:to="loc_us-gaap_InterestExpense_f21078cc-e1a0-45d0-91f8-dfec437bff02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReorganizationItems_334563ca-9f8d-4957-a677-7123cfa39efa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReorganizationItems"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_edced226-148f-4a76-8bc4-eb4763ae342b" xlink:to="loc_us-gaap_ReorganizationItems_334563ca-9f8d-4957-a677-7123cfa39efa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_b6937acf-8bb8-4501-b896-24b60ed0e3f0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_edced226-148f-4a76-8bc4-eb4763ae342b" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_b6937acf-8bb8-4501-b896-24b60ed0e3f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="wft-20210331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_7298e052-17ad-48f1-b5e5-9953303e50c1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_0123fa1f-c1f1-4925-a6be-a4ef1fc69ae2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_7298e052-17ad-48f1-b5e5-9953303e50c1" xlink:to="loc_us-gaap_ProfitLoss_0123fa1f-c1f1-4925-a6be-a4ef1fc69ae2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_af33fb9f-ae35-440b-87e2-5111d194cb08" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_7298e052-17ad-48f1-b5e5-9953303e50c1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_af33fb9f-ae35-440b-87e2-5111d194cb08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_8689c126-cfca-4e45-9830-8c914445a9a3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_111eaa05-4634-4c5c-900e-40938523b06a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_8689c126-cfca-4e45-9830-8c914445a9a3" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_111eaa05-4634-4c5c-900e-40938523b06a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_60914405-7597-4338-ac44-a5444c0b364f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_8689c126-cfca-4e45-9830-8c914445a9a3" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_60914405-7597-4338-ac44-a5444c0b364f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="wft-20210331.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a71df030-53b9-4915-b330-394c7a3bd250" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_888ff430-f369-4a83-9eca-c2af563decfd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a71df030-53b9-4915-b330-394c7a3bd250" xlink:to="loc_us-gaap_MinorityInterest_888ff430-f369-4a83-9eca-c2af563decfd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_e7c886dd-6261-461e-b8ff-90a2ef71e7a4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a71df030-53b9-4915-b330-394c7a3bd250" xlink:to="loc_us-gaap_StockholdersEquity_e7c886dd-6261-461e-b8ff-90a2ef71e7a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_aab6b1e9-5719-4a81-9117-e661dabf19e3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_50710906-6e7d-4c87-982d-aa49c4e9e76e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_aab6b1e9-5719-4a81-9117-e661dabf19e3" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_50710906-6e7d-4c87-982d-aa49c4e9e76e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_9e7db9a4-5e9f-4b29-afca-8fab298216bc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_aab6b1e9-5719-4a81-9117-e661dabf19e3" xlink:to="loc_us-gaap_Liabilities_9e7db9a4-5e9f-4b29-afca-8fab298216bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_7687544c-13ac-4aa2-9a52-e6efc0757d70" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_576d35fd-0124-46fc-bbef-b44ab8c1b389" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7687544c-13ac-4aa2-9a52-e6efc0757d70" xlink:to="loc_us-gaap_AssetsCurrent_576d35fd-0124-46fc-bbef-b44ab8c1b389" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_ca7a4a56-0c47-46a9-bce7-758c7d0eb5a2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7687544c-13ac-4aa2-9a52-e6efc0757d70" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_ca7a4a56-0c47-46a9-bce7-758c7d0eb5a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_0decf289-82ec-4c78-bacd-a392bcf89fb9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7687544c-13ac-4aa2-9a52-e6efc0757d70" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_0decf289-82ec-4c78-bacd-a392bcf89fb9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_b03da2c9-6228-4e27-8777-89a5bcfe81ad" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7687544c-13ac-4aa2-9a52-e6efc0757d70" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_b03da2c9-6228-4e27-8777-89a5bcfe81ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_14cdc6a2-dc80-4c87-8aef-2466ac7d45f4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_7687544c-13ac-4aa2-9a52-e6efc0757d70" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_14cdc6a2-dc80-4c87-8aef-2466ac7d45f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_ba5cd56d-e6cf-4f36-a7ad-bd6e16612cc5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_211d3550-4e1b-4d70-a9b6-b419874f16d0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_ba5cd56d-e6cf-4f36-a7ad-bd6e16612cc5" xlink:to="loc_us-gaap_CommonStockValue_211d3550-4e1b-4d70-a9b6-b419874f16d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_70db60b0-2beb-476f-beea-42dc5d044872" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_ba5cd56d-e6cf-4f36-a7ad-bd6e16612cc5" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_70db60b0-2beb-476f-beea-42dc5d044872" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_bbf09089-a120-48d8-83b1-5add09e8b7a2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_ba5cd56d-e6cf-4f36-a7ad-bd6e16612cc5" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_bbf09089-a120-48d8-83b1-5add09e8b7a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_0936254c-4396-4b46-b2ba-051d0cb7a9e6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_ba5cd56d-e6cf-4f36-a7ad-bd6e16612cc5" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_0936254c-4396-4b46-b2ba-051d0cb7a9e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_87c5670a-5d58-4b83-9177-b49500c9d392" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:to="loc_us-gaap_ShortTermBorrowings_87c5670a-5d58-4b83-9177-b49500c9d392" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_28506fe1-043c-492d-933b-412f74bd835e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:to="loc_us-gaap_AccountsPayableCurrent_28506fe1-043c-492d-933b-412f74bd835e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_48789dcc-5df1-4920-a1a7-f7ac4b2cb5be" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_48789dcc-5df1-4920-a1a7-f7ac4b2cb5be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_521b9610-cc3d-48fe-b29a-c3d88cb35cbc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:to="loc_us-gaap_TaxesPayableCurrent_521b9610-cc3d-48fe-b29a-c3d88cb35cbc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_585c98ec-263c-4027-bf16-236d69e07a27" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_585c98ec-263c-4027-bf16-236d69e07a27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_4615edec-d99c-4dcb-9925-b991b2a0c8fc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_63c41140-d180-4a88-9f72-88cf2840f5f0" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_4615edec-d99c-4dcb-9925-b991b2a0c8fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_ce68c5c8-ca2e-4e83-bfaa-686559938937" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_8dd2bc1f-25e2-441f-99d4-71160501a09d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ce68c5c8-ca2e-4e83-bfaa-686559938937" xlink:to="loc_us-gaap_LiabilitiesCurrent_8dd2bc1f-25e2-441f-99d4-71160501a09d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_62d9cfba-78b1-4871-990e-06d53c4dcaeb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ce68c5c8-ca2e-4e83-bfaa-686559938937" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_62d9cfba-78b1-4871-990e-06d53c4dcaeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_3ad9367a-7396-4bb3-bb4b-7c3f8badfa5e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ce68c5c8-ca2e-4e83-bfaa-686559938937" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_3ad9367a-7396-4bb3-bb4b-7c3f8badfa5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_00f8189f-f324-4d1f-abe0-5080afbbfb79" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ce68c5c8-ca2e-4e83-bfaa-686559938937" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_00f8189f-f324-4d1f-abe0-5080afbbfb79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_3387b483-bfa9-4045-b47f-942b194d5ed2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4899627c-a6ff-467f-a9ff-9cbf78becce2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3387b483-bfa9-4045-b47f-942b194d5ed2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4899627c-a6ff-467f-a9ff-9cbf78becce2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_399b70ff-7d8e-4dbf-afb5-6721e15380e8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3387b483-bfa9-4045-b47f-942b194d5ed2" xlink:to="loc_us-gaap_RestrictedCashCurrent_399b70ff-7d8e-4dbf-afb5-6721e15380e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_c0560c11-f573-4051-8660-2a8dd14f3c58" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3387b483-bfa9-4045-b47f-942b194d5ed2" xlink:to="loc_us-gaap_ReceivablesNetCurrent_c0560c11-f573-4051-8660-2a8dd14f3c58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_061897ef-d8a2-433f-b8d0-399963c32958" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3387b483-bfa9-4045-b47f-942b194d5ed2" xlink:to="loc_us-gaap_InventoryNet_061897ef-d8a2-433f-b8d0-399963c32958" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_8a78013b-6a0d-400f-9c4d-63a6cb9bc259" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_3387b483-bfa9-4045-b47f-942b194d5ed2" xlink:to="loc_us-gaap_OtherAssetsCurrent_8a78013b-6a0d-400f-9c4d-63a6cb9bc259" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="wft-20210331.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="wft-20210331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4db82cf5-37b6-47df-8d1f-0a0d6472d50a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b70135f4-a2a2-44b5-a392-64f521b41282" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4db82cf5-37b6-47df-8d1f-0a0d6472d50a" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b70135f4-a2a2-44b5-a392-64f521b41282" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_31bc398c-a982-4bdf-b064-1c176c85c57b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4db82cf5-37b6-47df-8d1f-0a0d6472d50a" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_31bc398c-a982-4bdf-b064-1c176c85c57b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5f692b47-de73-4281-bda5-cc0e1906b18b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_4db82cf5-37b6-47df-8d1f-0a0d6472d50a" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_5f692b47-de73-4281-bda5-cc0e1906b18b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_61c9f84d-ee69-4c83-887a-2ad68166bfcf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_ProfitLoss_61c9f84d-ee69-4c83-887a-2ad68166bfcf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_c07fb27e-7d8c-45fc-a745-afec1c9f6c66" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_c07fb27e-7d8c-45fc-a745-afec1c9f6c66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_00c437b4-dfc9-4535-b938-c31d7bf2fb4e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_00c437b4-dfc9-4535-b938-c31d7bf2fb4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_95e9d500-7e68-4fde-9d66-ca6a589256e0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringCostsAndAssetImpairmentCharges"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_95e9d500-7e68-4fde-9d66-ca6a589256e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_a62f0e4b-d70d-4cf0-8751-8905f766087b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryWriteDown"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_InventoryWriteDown_a62f0e4b-d70d-4cf0-8751-8905f766087b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wft_NonCashOtherAssetImpairmentCharges_a3f8857a-66dd-4f85-abdb-299c0ae041fb" xlink:href="wft-20210331.xsd#wft_NonCashOtherAssetImpairmentCharges"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_wft_NonCashOtherAssetImpairmentCharges_a3f8857a-66dd-4f85-abdb-299c0ae041fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_85680977-df2e-4ead-adc4-dcc265da0093" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_85680977-df2e-4ead-adc4-dcc265da0093" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensation_4c3f734c-c218-48f4-8d04-3690f39e5d7a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeBenefitsAndShareBasedCompensation"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensation_4c3f734c-c218-48f4-8d04-3690f39e5d7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_effb4735-53b1-46fb-9716-00b0a91eb44b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_effb4735-53b1-46fb-9716-00b0a91eb44b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_97f358c5-6f4e-4160-8efd-d1b5c185bf0c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_97f358c5-6f4e-4160-8efd-d1b5c185bf0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_851fa9a8-afe2-42d4-b793-4818001826fd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_851fa9a8-afe2-42d4-b793-4818001826fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_07f1fe70-2ea8-412d-a99d-0f2caaa539a2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_962d9445-a34b-4c5e-9d6b-536c5c584f7b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_07f1fe70-2ea8-412d-a99d-0f2caaa539a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_cdcca35d-d27c-4a2b-96c3-97bb29ffc007" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f9ea4c6a-4c5b-4016-a9d6-3020d59e724a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_cdcca35d-d27c-4a2b-96c3-97bb29ffc007" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f9ea4c6a-4c5b-4016-a9d6-3020d59e724a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a22918ee-9f04-4d49-8240-013e73ac2e5b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_cdcca35d-d27c-4a2b-96c3-97bb29ffc007" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a22918ee-9f04-4d49-8240-013e73ac2e5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_28b43b85-fac8-4f4b-a159-676d1f44eefa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_cdcca35d-d27c-4a2b-96c3-97bb29ffc007" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_28b43b85-fac8-4f4b-a159-676d1f44eefa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_72c3e1d3-b188-4977-80cd-71005b8e4c47" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_cdcca35d-d27c-4a2b-96c3-97bb29ffc007" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_72c3e1d3-b188-4977-80cd-71005b8e4c47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0ae23f48-12da-4f67-bef3-e4552779903b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_ef709842-3780-4249-8f57-2fab12e41ee6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0ae23f48-12da-4f67-bef3-e4552779903b" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_ef709842-3780-4249-8f57-2fab12e41ee6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_0ffce253-16f2-49e8-8fa8-f1bcfd53e8bf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0ae23f48-12da-4f67-bef3-e4552779903b" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_0ffce253-16f2-49e8-8fa8-f1bcfd53e8bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_b47a89f0-0534-4af2-b361-089691a04f94" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0ae23f48-12da-4f67-bef3-e4552779903b" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_b47a89f0-0534-4af2-b361-089691a04f94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7f65cb61-0092-41de-8982-f10cc309f003" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0ae23f48-12da-4f67-bef3-e4552779903b" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_7f65cb61-0092-41de-8982-f10cc309f003" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.weatherford.com/role/General" xlink:type="simple" xlink:href="wft-20210331.xsd#General"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/General" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/GeneralPolicies" xlink:type="simple" xlink:href="wft-20210331.xsd#GeneralPolicies"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GeneralPolicies" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ImpairmentsandOtherCharges" xlink:type="simple" xlink:href="wft-20210331.xsd#ImpairmentsandOtherCharges"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ImpairmentsandOtherCharges" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ImpairmentsandOtherChargesTables" xlink:type="simple" xlink:href="wft-20210331.xsd#ImpairmentsandOtherChargesTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ImpairmentsandOtherChargesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ImpairmentsandOtherChargesDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#ImpairmentsandOtherChargesDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ImpairmentsandOtherChargesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNet" xlink:type="simple" xlink:href="wft-20210331.xsd#InventoriesNet"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNet" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNetTables" xlink:type="simple" xlink:href="wft-20210331.xsd#InventoriesNetTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNetTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNetScheduleofInventoryDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#InventoriesNetScheduleofInventoryDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNetScheduleofInventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_db48676b-efc1-46f9-b4a4-9bb67ed682af" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_c459f4d4-da55-4683-800d-fbcb8007de83" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_db48676b-efc1-46f9-b4a4-9bb67ed682af" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_c459f4d4-da55-4683-800d-fbcb8007de83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_a460f866-bb89-4456-83cb-f9ebb8508a9d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_db48676b-efc1-46f9-b4a4-9bb67ed682af" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_a460f866-bb89-4456-83cb-f9ebb8508a9d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.weatherford.com/role/InventoriesNetInventoryNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#InventoriesNetInventoryNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/InventoriesNetInventoryNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherLongLivedAssetImpairmentsandOther" xlink:type="simple" xlink:href="wft-20210331.xsd#LongLivedAssetImpairmentsandOtherLongLivedAssetImpairmentsandOther"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherLongLivedAssetImpairmentsandOther" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherTables" xlink:type="simple" xlink:href="wft-20210331.xsd#LongLivedAssetImpairmentsandOtherTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#LongLivedAssetImpairmentsandOtherNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherImpairmentofLongLivedAssetsDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#LongLivedAssetImpairmentsandOtherImpairmentofLongLivedAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LongLivedAssetImpairmentsandOtherImpairmentofLongLivedAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_75f5a3f7-d424-4220-b3e9-9610659ceb67" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_449090eb-1ae0-4194-bebd-1ec93bf7159e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_75f5a3f7-d424-4220-b3e9-9610659ceb67" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_449090eb-1ae0-4194-bebd-1ec93bf7159e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_41c221b7-f47a-4c50-b140-d40e559b3b6f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_75f5a3f7-d424-4220-b3e9-9610659ceb67" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_41c221b7-f47a-4c50-b140-d40e559b3b6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wft_OperatingLeaseRightofUseAssetImpairmentCharge_8e86f052-51e8-4223-a9cc-1d286c85551b" xlink:href="wft-20210331.xsd#wft_OperatingLeaseRightofUseAssetImpairmentCharge"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_75f5a3f7-d424-4220-b3e9-9610659ceb67" xlink:to="loc_wft_OperatingLeaseRightofUseAssetImpairmentCharge_8e86f052-51e8-4223-a9cc-1d286c85551b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillandIntangibleAssets" xlink:type="simple" xlink:href="wft-20210331.xsd#GoodwillandIntangibleAssets"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillandIntangibleAssets" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillandIntangibleAssetsTables" xlink:type="simple" xlink:href="wft-20210331.xsd#GoodwillandIntangibleAssetsTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillandIntangibleAssetsTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillandIntangibleAssetsGoodwillNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#GoodwillandIntangibleAssetsGoodwillNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillandIntangibleAssetsGoodwillNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/GoodwillandIntangibleAssetsIntangibleAssetNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#GoodwillandIntangibleAssetsIntangibleAssetNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/GoodwillandIntangibleAssetsIntangibleAssetNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceCharges" xlink:type="simple" xlink:href="wft-20210331.xsd#RestructuringFacilityConsolidationandSeveranceCharges"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceCharges" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesTables" xlink:type="simple" xlink:href="wft-20210331.xsd#RestructuringFacilityConsolidationandSeveranceChargesTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RestructuringFacilityConsolidationandSeveranceChargesNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesRestructuringChargesDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RestructuringFacilityConsolidationandSeveranceChargesRestructuringChargesDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesRestructuringChargesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesRestructuringLiabilityDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RestructuringFacilityConsolidationandSeveranceChargesRestructuringLiabilityDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RestructuringFacilityConsolidationandSeveranceChargesRestructuringLiabilityDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/BorrowingsandOtherObligations" xlink:type="simple" xlink:href="wft-20210331.xsd#BorrowingsandOtherObligations"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BorrowingsandOtherObligations" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/BorrowingsandOtherObligationsTables" xlink:type="simple" xlink:href="wft-20210331.xsd#BorrowingsandOtherObligationsTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BorrowingsandOtherObligationsTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/BorrowingsandOtherObligationsScheduleofShorttermDebtDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#BorrowingsandOtherObligationsScheduleofShorttermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BorrowingsandOtherObligationsScheduleofShorttermDebtDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/BorrowingsandOtherObligationsNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#BorrowingsandOtherObligationsNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BorrowingsandOtherObligationsNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/BorrowingsandOtherObligationsFairandcarryingvalueoflongtermdebtDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#BorrowingsandOtherObligationsFairandcarryingvalueoflongtermdebtDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/BorrowingsandOtherObligationsFairandcarryingvalueoflongtermdebtDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/DisputesLitigationandContingencies" xlink:type="simple" xlink:href="wft-20210331.xsd#DisputesLitigationandContingencies"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DisputesLitigationandContingencies" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/DisputesLitigationandContingenciesDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#DisputesLitigationandContingenciesDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/DisputesLitigationandContingenciesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityDeficiency" xlink:type="simple" xlink:href="wft-20210331.xsd#ShareholdersEquityDeficiency"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityDeficiency" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityDeficiencyTables" xlink:type="simple" xlink:href="wft-20210331.xsd#ShareholdersEquityDeficiencyTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityDeficiencyTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityDeficiencyShareholdersEquityActivityDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#ShareholdersEquityDeficiencyShareholdersEquityActivityDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityDeficiencyShareholdersEquityActivityDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/ShareholdersEquityDeficiencyChangesinAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#ShareholdersEquityDeficiencyChangesinAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/ShareholdersEquityDeficiencyChangesinAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LossperShare" xlink:type="simple" xlink:href="wft-20210331.xsd#LossperShare"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LossperShare" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LossperShareTables" xlink:type="simple" xlink:href="wft-20210331.xsd#LossperShareTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LossperShareTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LossperShareWeightedAverageSharesOutstandingDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#LossperShareWeightedAverageSharesOutstandingDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LossperShareWeightedAverageSharesOutstandingDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/LossperShareAntidilutiveSharesDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#LossperShareAntidilutiveSharesDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/LossperShareAntidilutiveSharesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/Revenues" xlink:type="simple" xlink:href="wft-20210331.xsd#Revenues"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/Revenues" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RevenuesTables" xlink:type="simple" xlink:href="wft-20210331.xsd#RevenuesTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RevenuesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RevenuesMajorProductLineDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RevenuesMajorProductLineDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RevenuesMajorProductLineDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RevenuesGeographicAreasDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RevenuesGeographicAreasDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RevenuesGeographicAreasDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RevenuesReceivablesDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RevenuesReceivablesDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RevenuesReceivablesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RevenuesExpectedtobeRecognizedinFutureDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#RevenuesExpectedtobeRecognizedinFutureDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RevenuesExpectedtobeRecognizedinFutureDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/RevenuesExpectedtobeRecognizedinFutureDetails_1" xlink:type="simple" xlink:href="wft-20210331.xsd#RevenuesExpectedtobeRecognizedinFutureDetails_1"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/RevenuesExpectedtobeRecognizedinFutureDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformation" xlink:type="simple" xlink:href="wft-20210331.xsd#SegmentInformation"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformation" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="wft-20210331.xsd#SegmentInformationTables"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/SegmentInformationDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#SegmentInformationDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/SegmentInformationDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxes" xlink:type="simple" xlink:href="wft-20210331.xsd#IncomeTaxes"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxes" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.weatherford.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="wft-20210331.xsd#IncomeTaxesNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.weatherford.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended"/>
</link:linkbase>
