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  <xs:element id="kos_DebtInstrumentRedemptionPricePercentageWithProceedsFromEquityOfferings" abstract="false" name="DebtInstrumentRedemptionPricePercentageWithProceedsFromEquityOfferings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="kos_CashSettlementsOnDerivatives" abstract="false" name="CashSettlementsOnDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_CoronavirusAidReliefAndEconomicSecurityActIncomeTaxRefundClaimAmount" abstract="false" name="CoronavirusAidReliefAndEconomicSecurityActIncomeTaxRefundClaimAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_ProceedsFromAdvancesUnderProductionPrepaymentAgreement" abstract="false" name="ProceedsFromAdvancesUnderProductionPrepaymentAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="kos_DerivativeSoldPutAveragePriceRiskOptionStrikePrice" abstract="false" name="DerivativeSoldPutAveragePriceRiskOptionStrikePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="srt-types:perUnitItemType"/>
  <xs:element id="kos_UnitInterestPercentageAfterRedetermination" abstract="false" name="UnitInterestPercentageAfterRedetermination" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_OperatingLossCarryForwardsForeignExpiringYearThree" abstract="false" name="OperatingLossCarryForwardsForeignExpiringYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_AccruedGeneralAndAdministrativeExpensesCurrent" abstract="false" name="AccruedGeneralAndAdministrativeExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_OperatingLossCarryforwardsForeign" abstract="false" name="OperatingLossCarryforwardsForeign" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_JubileeUnitAreaAndTenFieldsMember" abstract="true" name="JubileeUnitAreaAndTenFieldsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_FarmOutAgreementMember" abstract="true" name="FarmOutAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_ShellSaoTomeandPrincipeB.V.Member" abstract="true" name="ShellSaoTomeandPrincipeB.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_OilAndGasAgreementAxis" abstract="true" name="OilAndGasAgreementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="kos_RevenueAndOtherIncome" abstract="false" name="RevenueAndOtherIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_TwoWayCollarsMember" abstract="true" name="TwoWayCollarsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_ScheduleOfIncomeTaxProvisionByJurisdictionTableTextBlock" abstract="false" name="ScheduleOfIncomeTaxProvisionByJurisdictionTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="kos_CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanFourYears" abstract="false" name="CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanFourYears" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_ProvisionalOilSalesMember" abstract="true" name="ProvisionalOilSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_DecreaseOfUltimateInterestUponFullExerciseOfPreEmptionRights" abstract="false" name="DecreaseOfUltimateInterestUponFullExerciseOfPreEmptionRights" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kos_JointInterestBillingsDisclosureAbstract" abstract="true" name="JointInterestBillingsDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kos_OtherCapitalExpenditureExpense" abstract="false" name="OtherCapitalExpenditureExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_DebtInstrumentCovenantFieldLifeCoverRatio" abstract="false" name="DebtInstrumentCovenantFieldLifeCoverRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="kos_DerivativeAssetRelatedPartyNoncurrent" abstract="false" name="DerivativeAssetRelatedPartyNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_OilAndGasBlocksDomain" abstract="true" name="OilAndGasBlocksDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_IncreaseDecreaseInCapitalAccruals" abstract="false" name="IncreaseDecreaseInCapitalAccruals" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_IncomeTaxesTable" abstract="true" name="IncomeTaxesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="kos_Block6Member" abstract="true" name="Block6Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_InitialPurchasePriceFromSaleOfOilAndGasPropertyAndEquipment" abstract="false" name="InitialPurchasePriceFromSaleOfOilAndGasPropertyAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_ReceivablesOilSalesMember" abstract="true" name="ReceivablesOilSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_WeightedAverageDatedBrentPriceperBblAbstract" abstract="true" name="WeightedAverageDatedBrentPriceperBblAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kos_NYMEXWTIMember" abstract="true" name="NYMEXWTIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_AllCountriesAxis" abstract="true" name="AllCountriesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="kos_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedProvedOilAndGasProperties" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedProvedOilAndGasProperties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_DerivativeAssetRelatedPartyCurrent" abstract="false" name="DerivativeAssetRelatedPartyCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_Block11Member" abstract="true" name="Block11Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_ProceedsFromSaleOfOilAndGasPropertyAndEquipmentIncludingAmountsInOtherReceivables" abstract="false" name="ProceedsFromSaleOfOilAndGasPropertyAndEquipmentIncludingAmountsInOtherReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_U.S.GulfOfMexicoMember" abstract="true" name="U.S.GulfOfMexicoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_Blocks6and11Member" abstract="true" name="Blocks6and11Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_EquatorialGuineaSegmentMember" abstract="true" name="EquatorialGuineaSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_DebtInstrumentMaximumPrincipalAmountAvailableToBeRedeemedWithProceedsFromEquityOfferings" abstract="false" name="DebtInstrumentMaximumPrincipalAmountAvailableToBeRedeemedWithProceedsFromEquityOfferings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_OilAndGasBlocksAxis" abstract="true" name="OilAndGasBlocksAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="kos_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_ParticipatingInterestPercentage" abstract="false" name="ParticipatingInterestPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_FacilitiesInsuranceModificationsExpenseIncome" abstract="false" name="FacilitiesInsuranceModificationsExpenseIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_FacilityInterestOrSeniorNotesPlusTheCorporateRevolverMember" abstract="true" name="FacilityInterestOrSeniorNotesPlusTheCorporateRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_AppraisalPlanSubmissionPeriodFromDiscovery" abstract="false" name="AppraisalPlanSubmissionPeriodFromDiscovery" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="kos_DerivativeTradingIndexAxis" abstract="true" name="DerivativeTradingIndexAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="kos_InterestExpenseIncomeNetRelatedParty" abstract="false" name="InterestExpenseIncomeNetRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxes" abstract="false" name="TaxWithholdingsForShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsUsedToCoverEmployeeTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_A7500SeniorNotesDue2028Member" abstract="true" name="A7500SeniorNotesDue2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_GreaterTortueAhmeyimUnitizationAndUnitOperatingAgreementMember" abstract="true" name="GreaterTortueAhmeyimUnitizationAndUnitOperatingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_AccrualForAllOtherTaxesCurrent" abstract="false" name="AccrualForAllOtherTaxesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_DebtInstrumentCovenantNetLeverageRatio" abstract="false" name="DebtInstrumentCovenantNetLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="kos_SeniorNotes7.875Due2021Member" abstract="true" name="SeniorNotes7.875Due2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_BirAllahAndOrcaDiscoveriesMember" abstract="true" name="BirAllahAndOrcaDiscoveriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_A7750SeniorNotesDue2027Member" abstract="true" name="A7750SeniorNotesDue2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_TENFieldsMember" abstract="true" name="TENFieldsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_DerivativeContractTermDomain" abstract="true" name="DerivativeContractTermDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_BlockEG24Member" abstract="true" name="BlockEG24Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_NumberOfAgreements" abstract="false" name="NumberOfAgreements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="kos_AnadarkoWCTPMember" abstract="true" name="AnadarkoWCTPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_OilAndGasOperatingAgreementsAxis" abstract="true" name="OilAndGasOperatingAgreementsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="kos_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_BlocksOffshoreSaoTomeAndPrincipeSurinameAndNamibiaMember" abstract="true" name="BlocksOffshoreSaoTomeAndPrincipeSurinameAndNamibiaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_PropertyPlantAndEquipmentAcquisitionsAndDivestituresLineItems" abstract="true" name="PropertyPlantAndEquipmentAcquisitionsAndDivestituresLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="kos_NationalOilCompaniesOfMauritaniaAndSenegalMember" abstract="true" name="NationalOilCompaniesOfMauritaniaAndSenegalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_ThreewayCollarsMember" abstract="true" name="ThreewayCollarsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_PayingInterestPercentage" abstract="false" name="PayingInterestPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_ScheduleOfInterestAndOtherFinancingCostsTableTextBlock" abstract="false" name="ScheduleOfInterestAndOtherFinancingCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="kos_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease" abstract="false" name="DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="kos_CorporateRevolverMember" abstract="true" name="CorporateRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_GreaterTortueFPSOMember" abstract="true" name="GreaterTortueFPSOMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_GoMTermLoanMember" abstract="true" name="GoMTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_OperatingLossCarryForwardsForeignExpiringNextTwelveMonths" abstract="false" name="OperatingLossCarryForwardsForeignExpiringNextTwelveMonths" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_DerivativeLiabilitiesCurrentRelatedParty" abstract="false" name="DerivativeLiabilitiesCurrentRelatedParty" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_RestrictedCashRequiredPeriodForContractualFuturePayments" abstract="false" name="RestrictedCashRequiredPeriodForContractualFuturePayments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="kos_DeepwaterTanoBlockJointOperatingAgreementMember" abstract="true" name="DeepwaterTanoBlockJointOperatingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_ShareOfDevelopmentCostsToBeFinanced" abstract="false" name="ShareOfDevelopmentCostsToBeFinanced" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="kos_JubileeUnitizationAndUnitOperatingAgreementMember" abstract="false" name="JubileeUnitizationAndUnitOperatingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="kos_PropertyPlantAndEquipmentScheduleOfEstimatedLivesTableTextBlock" abstract="false" name="PropertyPlantAndEquipmentScheduleOfEstimatedLivesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="kos_TermJanuary2022ToDecember2022Member" abstract="true" name="TermJanuary2022ToDecember2022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
