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  <xsd:element abstract="false" id="kos_DebtInstrumentAdjustmentInEstimateOfDeferredInterestEffectiveInterest" name="DebtInstrumentAdjustmentInEstimateOfDeferredInterestEffectiveInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <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" />
  <xsd:element abstract="false" id="kos_LineOfCreditFacilitySublimitExpirationPeriod" name="LineOfCreditFacilitySublimitExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_CairnEnergyPLCMember" name="CairnEnergyPLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <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" />
  <xsd:element abstract="true" id="kos_FarmOutAgreementMember" name="FarmOutAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_EssaouiraOffshoreFoumAssakaOffshoreAndTarhazouteOffshoreBlocksMember" name="EssaouiraOffshoreFoumAssakaOffshoreAndTarhazouteOffshoreBlocksMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_FoumAssakaOffshoreBlockMember" name="FoumAssakaOffshoreBlockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_TarhazouteOffshoreBlockMember" name="TarhazouteOffshoreBlockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_NumberOfBlocksCoveredByFarmOutAgreements" name="NumberOfBlocksCoveredByFarmOutAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_ParticipatingInterestPercentage" name="ParticipatingInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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" />
  <xsd:element abstract="true" id="kos_AkasaDiscoveryMember" name="AkasaDiscoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_AllCountriesAxis" name="AllCountriesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" 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" />
  <xsd:element abstract="false" id="kos_CashSettlementsOnDerivatives" name="CashSettlementsOnDerivatives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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" />
  <xsd:element abstract="true" id="kos_EssaouiraOffshoreBlockMember" name="EssaouiraOffshoreBlockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <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_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 id="kos_LineOfCreditFacilityAvailableCapacityCommitmentFeesPercentage" name="LineOfCreditFacilityAvailableCapacityCommitmentFeesPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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="false" id="kos_LineOfCreditFacilityUnavailableCapacityCommitmentFeePercentage" name="LineOfCreditFacilityUnavailableCapacityCommitmentFeePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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="true" id="kos_OtherForeignCountriesMember" name="OtherForeignCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_ProvisionalPricingAverageSubjectToFinalPricing" name="ProvisionalPricingAverageSubjectToFinalPricing" nillable="true" substitutionGroup="xbrli:item" type="us-types:perUnitItemType" xbrli:periodType="instant" />
  <element id="kos_AmountOfPastCostsReceived" name="AmountOfPastCostsReceived" 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_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 abstract="false" id="kos_InterestPaymentIntervalPeriodMaximum" name="InterestPaymentIntervalPeriodMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentage" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_SubmissionOfPlanOfDevelopmentToMinistryOfEnergyPeriod" name="SubmissionOfPlanOfDevelopmentToMinistryOfEnergyPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_Teak1DiscoveryMember" name="Teak1DiscoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_Teak2DiscoveryMember" name="Teak2DiscoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_TermJanuary2015ToDecember2015Member" name="TermJanuary2015ToDecember2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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" />
  <xsd:element abstract="true" id="kos_WawaDiscoveryMember" name="WawaDiscoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_DerivativeDeferredPremiumCurrentLiabilities" name="DerivativeDeferredPremiumCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_DerivativeDeferredPremiumNoncurrentLiabilities" name="DerivativeDeferredPremiumNoncurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_BPPlcMember" name="BPPlcMember" 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_CapBoujdourOffshoreBlockMember" name="CapBoujdourOffshoreBlockMember" 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" />
  <xsd:element abstract="false" id="kos_CapitalizedExploratoryWellCostsGreaterThanOrEqualToThreeYearsAndLessThanSixYears" name="CapitalizedExploratoryWellCostsGreaterThanOrEqualToThreeYearsAndLessThanSixYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="kos_TermJanuary2016ToDecember2016Member" name="TermJanuary2016ToDecember2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_NumberOfRigSlotsTakenByThirdParty" name="NumberOfRigSlotsTakenByThirdParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_EstimatedNumberOfDaysOfRigSlotsTakenByThirdParty" name="EstimatedNumberOfDaysOfRigSlotsTakenByThirdParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <element id="kos_TermJuly2014ToDecember2014Member" name="TermJuly2014ToDecember2014Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_PurchasedPutsMember" name="PurchasedPutsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_ProvisionalSalesContract" name="ProvisionalSalesContract" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" 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_MahoganyDiscoveryMember" name="MahoganyDiscoveryMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_NumberOfDevelopmentWellsPlanned" name="NumberOfDevelopmentWellsPlanned" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_RestructuringChargesNonCash" name="RestructuringChargesNonCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>