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  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2015-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2015/elts/us-types-2015-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://fasb.org/us-gaap/2015-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd" xmlns="http://www.w3.org/2001/XMLSchema" />
  <import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LineOfCreditFacilitySecondHalfSublimitAmount" name="LineOfCreditFacilitySecondHalfSublimitAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LineOfCreditFacilitySublimitExpirationPeriod" name="LineOfCreditFacilitySublimitExpirationPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="kos_OilAndGasAgreementAxis" name="OilAndGasAgreementAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasAgreementDomain" name="OilAndGasAgreementDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <element id="kos_FarmOutAgreementMember" name="FarmOutAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="false" id="kos_ParticipatingInterestPercentage" name="ParticipatingInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_NumberOfExplorationWellsForWhichThirdPartyPaysDisproportionateShareOfCosts" name="NumberOfExplorationWellsForWhichThirdPartyPaysDisproportionateShareOfCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_AccrualForAllOtherTaxesCurrent" name="AccrualForAllOtherTaxesCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="kos_AccruedExplorationDevelopmentAndProductionCostsCurrent" name="AccruedExplorationDevelopmentAndProductionCostsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="kos_AccruedGeneralAndAdministrativeExpensesCurrent" name="AccruedGeneralAndAdministrativeExpensesCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <element id="kos_AcquiredParticipationInterestPercentage" name="AcquiredParticipationInterestPercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="kos_AllCountriesAxis" name="AllCountriesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_CapitalizedExploratoryWellCostChargedToExpenseExcludingCostsCapitalizedAndExpensedInSamePeriod" name="CapitalizedExploratoryWellCostChargedToExpenseExcludingCostsCapitalizedAndExpensedInSamePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="kos_CapitalizedExploratoryWellCostExpensedInSamePeriod" name="CapitalizedExploratoryWellCostExpensedInSamePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_CashPaidForAbstract" name="CashPaidForAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <element id="kos_CashSettlementsOnDerivatives" name="CashSettlementsOnDerivatives" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="kos_ChevronGlobalEnergyIncMember" name="ChevronGlobalEnergyIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_DerivativeContractTermAxis" name="DerivativeContractTermAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_DerivativeContractTermDomain" name="DerivativeContractTermDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <element id="kos_DerivativeWeightedAverageDeferredPremiumPerBarrel" name="DerivativeWeightedAverageDeferredPremiumPerBarrel" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="kos_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <element id="kos_FarmInAgreementMember" name="FarmInAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="kos_GainLossOnCommodityDerivativeInstrumentsNetPretax" name="GainLossOnCommodityDerivativeInstrumentsNetPretax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_GhanaNationalPetroleumCorporationMember" name="GhanaNationalPetroleumCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_IncomeTaxesLineItems" name="IncomeTaxesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_IncomeTaxesTable" name="IncomeTaxesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_JointInterestBillingsDisclosureAbstract" name="JointInterestBillingsDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_LineOfCreditFacilityAmountOfReductionInBorrowingCapacity" name="LineOfCreditFacilityAmountOfReductionInBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="kos_LetterOfCreditFacilityContingentIncreaseToAvailableCommitmentAmount" name="LetterOfCreditFacilityContingentIncreaseToAvailableCommitmentAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="kos_LineOfCreditFacilityRevolvingCreditConversionToTermLoanMember" name="LineOfCreditFacilityRevolvingCreditConversionToTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_LongTermIncentivePlanMember" name="LongTermIncentivePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_MarketAndServiceVestingRestrictedStockAwardsMember" name="MarketAndServiceVestingRestrictedStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_MarketAndServiceVestingRestrictedStockUnitsMember" name="MarketAndServiceVestingRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_OffshoreDrillingRigRatePerDay" name="OffshoreDrillingRigRatePerDay" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="kos_OffshoreDrillingRigContractOptionalExtensionPeriod" name="OffshoreDrillingRigContractOptionalExtensionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_OffshoreDrillingRigContractPeriod" name="OffshoreDrillingRigContractPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_OffshoreDrillingRigInitialRatePerDay" name="OffshoreDrillingRigInitialRatePerDay" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasBlocksAxis" name="OilAndGasBlocksAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasBlocksDomain" name="OilAndGasBlocksDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasDiscoveriesAxis" name="OilAndGasDiscoveriesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasDiscoveriesDomain" name="OilAndGasDiscoveriesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_OilAndGasJointInterestBillingReceivableDisclosureTextBlock" name="OilAndGasJointInterestBillingReceivableDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasJointInterestBillingReceivablesLineItems" name="OilAndGasJointInterestBillingReceivablesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasJointInterestBillingReceivablesTable" name="OilAndGasJointInterestBillingReceivablesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OtherForeignCountriesMember" name="OtherForeignCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_PayingInterestPercentage" name="PayingInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_RestrictedCashAndCashEquivalentsTypeOfRestrictionAxis" name="RestrictedCashAndCashEquivalentsTypeOfRestrictionAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_RestrictedCashAndCashEquivalentsTypeOfRestrictionDomain" name="RestrictedCashAndCashEquivalentsTypeOfRestrictionDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_RestrictedCashRequiredPeriodForContractualFuturePayments" name="RestrictedCashRequiredPeriodForContractualFuturePayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_RestrictedStockAwardsAndRestrictedStockUnitsRSUMember" name="RestrictedStockAwardsAndRestrictedStockUnitsRSUMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_ServiceVestingRestrictedStockAwardsMember" name="ServiceVestingRestrictedStockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_ServiceVestingRestrictedStockUnitsMember" name="ServiceVestingRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_TermJanuary2016ToJune2016Member" name="TermJanuary2016ToJune2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_ThreewayCollarsMember" name="ThreewayCollarsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanThreeYears" name="CapitalizedExploratoryWellCostsGreaterThanOrEqualToOneYearAndLessThanThreeYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="kos_LettersOfCreditNumberOutstanding" name="LettersOfCreditNumberOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <element id="kos_DerivativeDeferredPremiumCurrentAssets" name="DerivativeDeferredPremiumCurrentAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DerivativeDeferredPremiumNoncurrentAssets" name="DerivativeDeferredPremiumNoncurrentAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="kos_ThreewayCollars5Member" name="ThreewayCollars5Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OperatingLeasesAxis" name="OperatingLeasesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OperatingLeasesDomain" name="OperatingLeasesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OperatingLeasesOtherThanAtwoodAchieverDrillingRigContractMember" name="OperatingLeasesOtherThanAtwoodAchieverDrillingRigContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_AtwoodAchieverDrillingRigContractMember" name="AtwoodAchieverDrillingRigContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_SwapWithCallsMember" name="SwapWithCallsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <element id="kos_CapitalizedExploratoryWellCostsGreaterThanOrEqualToThreeYearsAndLessThanSixYears" name="CapitalizedExploratoryWellCostsGreaterThanOrEqualToThreeYearsAndLessThanSixYears" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element abstract="true" id="kos_TermJanuary2016ToDecember2016Member" name="TermJanuary2016ToDecember2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <element id="kos_PurchasedPutsMember" name="PurchasedPutsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_TweneboaEnyenraAndNtommeDiscoveriesMember" name="TweneboaEnyenraAndNtommeDiscoveriesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_SeniorNotes7875Due2021Member" name="SeniorNotes7875Due2021Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LineOfCreditFacilitySeniorNotesAndCorporateRevolverMember" name="LineOfCreditFacilitySeniorNotesAndCorporateRevolverMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_InterestExpenseIncomeNet" name="InterestExpenseIncomeNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_ScheduleOfInterestAndOtherFinancingCosts" name="ScheduleOfInterestAndOtherFinancingCosts" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_PropertyPlantAndEquipmentAcquisitionAndDisposalAbstract" name="PropertyPlantAndEquipmentAcquisitionAndDisposalAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_PropertyPlantAndEquipmentAcquisitionsAndDivestituresTable" name="PropertyPlantAndEquipmentAcquisitionsAndDivestituresTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_TermJanuary2017ToDecember2017Member" name="TermJanuary2017ToDecember2017Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_TermJanuary2016ToDecember2018Member" name="TermJanuary2016ToDecember2018Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LondonInterbankOfferedRateLiborOneMonthMember" name="LondonInterbankOfferedRateLiborOneMonthMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_PropertyPlantAndEquipmentAcquisitionsAndDivestituresLineItems" name="PropertyPlantAndEquipmentAcquisitionsAndDivestituresLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DeferredInterest" name="DeferredInterest" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_BlockC8Member" name="BlockC8Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_BlockC12Member" name="BlockC12Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_BlockC13Member" name="BlockC13Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_BlockC8Block12AndBlock13MauritaniaMember" name="BlockC8Block12AndBlock13MauritaniaMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_CamaraoAmeijoaMexilhaoAndOstraBlocksMember" name="CamaraoAmeijoaMexilhaoAndOstraBlocksMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_SoldCallsMember" name="SoldCallsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_SwapsSoldPutsAndPurchasedCallMember" name="SwapsSoldPutsAndPurchasedCallMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_SwapsWithPutsMember" name="SwapsWithPutsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LondonInterbankOfferedRateLiborSixMonthMember" name="LondonInterbankOfferedRateLiborSixMonthMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_SocieteMauritanienneDesHydrocarburesEtDePatrimoineMiniersMember" name="SocieteMauritanienneDesHydrocarburesEtDePatrimoineMiniersMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_CashSettlementsOnCommodityDerivatives" name="CashSettlementsOnCommodityDerivatives" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DerivativePurchasedCallAveragePriceRiskOptionStrikePrice" name="DerivativePurchasedCallAveragePriceRiskOptionStrikePrice" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DerivativeSoldPutAveragePriceRiskOptionStrikePrice" name="DerivativeSoldPutAveragePriceRiskOptionStrikePrice" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_TermOctober2015ToDecember2015Member" name="TermOctober2015ToDecember2015Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_CarriedInterestByThirdParty" name="CarriedInterestByThirdParty" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_AccountingStandardsUpdate201503Member" name="AccountingStandardsUpdate201503Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_ScenarioForecastAdjustmentMember" name="ScenarioForecastAdjustmentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_Block11Member" name="Block11Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_AgenciaNacionalDoPetroleoDeSaoTomeEPrincipeMember" name="AgenciaNacionalDoPetroleoDeSaoTomeEPrincipeMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_ContractEndDateExtensionPeriod" name="ContractEndDateExtensionPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>