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  <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_OilAndGasOperatingAgreementsAxis" name="OilAndGasOperatingAgreementsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_OilAndGasOperatingAgreementsDomain" name="OilAndGasOperatingAgreementsDomain" 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_PayingInterestPercentage" name="PayingInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_ProfitUnitsMember" name="ProfitUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_PropertyPlantAndEquipmentScheduleOfEstimatedLivesTableTextBlock" name="PropertyPlantAndEquipmentScheduleOfEstimatedLivesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <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 id="kos_ScheduleOfIncomeTaxProvisionByJurisdictionTableTextBlock" name="ScheduleOfIncomeTaxProvisionByJurisdictionTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExchangeInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExchangeInPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueRollForward" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsProjectedTurnoverRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsProjectedTurnoverRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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_TreasuryStockPolicyTextBlock" name="TreasuryStockPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <element id="kos_UnitInterestPercentageAfterRedetermination" name="UnitInterestPercentageAfterRedetermination" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element id="kos_VestingRightsPercentageAsOfDateOfIssuance" name="VestingRightsPercentageAsOfDateOfIssuance" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_VestingRightsPercentageOnAnniversaryDateForEachOfNextFourYears" name="VestingRightsPercentageOnAnniversaryDateForEachOfNextFourYears" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_VestingRightsPercentageOnSecondAndFourthAnniversaryOfIssuanceDate" name="VestingRightsPercentageOnSecondAndFourthAnniversaryOfIssuanceDate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_LetterOfCreditFacilityCashCollateralPercentage" name="LetterOfCreditFacilityCashCollateralPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_LetterOfCreditFacilityCashCollateralPercentageRequiredUnderBreachOfFinancialCovenants" name="LetterOfCreditFacilityCashCollateralPercentageRequiredUnderBreachOfFinancialCovenants" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="kos_LetterOfCreditFacilityFeePercentage" name="LetterOfCreditFacilityFeePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <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_BPPlcMember" name="BPPlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="kos_CapitalizedInterestCostMember" name="CapitalizedInterestCostMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_OilAndGasImbalanceAssetLiability" name="OilAndGasImbalanceAssetLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="false" id="kos_StockIssuedDuringPeriodShareBasedCompensationCancelledThresholdAmount" name="StockIssuedDuringPeriodShareBasedCompensationCancelledThresholdAmount" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_AmountOfSeismicCostsPaidByThirdParty" name="AmountOfSeismicCostsPaidByThirdParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="false" id="kos_AmountOfExplorationWellCostsPaidByThirdParty" name="AmountOfExplorationWellCostsPaidByThirdParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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_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_RestructuringChargesNonCash" name="RestructuringChargesNonCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" 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_ParticipatingInterestPercentageAfterAdditionalWell" name="ParticipatingInterestPercentageAfterAdditionalWell" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DebtInstrumentRedemptionPricePercentageDueToChangeOfControl" name="DebtInstrumentRedemptionPricePercentageDueToChangeOfControl" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DebtInstrumentRedemptionPricePercentageDueToSellOfCertainAssets" name="DebtInstrumentRedemptionPricePercentageDueToSellOfCertainAssets" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DebtInstrumentMaximumPrincipalAmountAvailableToBeRedeemedWithProceedsFromEquityOfferingsAsPercentage" name="DebtInstrumentMaximumPrincipalAmountAvailableToBeRedeemedWithProceedsFromEquityOfferingsAsPercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DebtInstrumentRedemptionPricePercentageWithProceedsFromEquityOfferings" name="DebtInstrumentRedemptionPricePercentageWithProceedsFromEquityOfferings" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DebtInstrumentRedemptionPricePercentageExcludingProceedsFromEquityOfferings" name="DebtInstrumentRedemptionPricePercentageExcludingProceedsFromEquityOfferings" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" 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_OperatingLossCarryforwardsForeign" name="OperatingLossCarryforwardsForeign" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_OperatingLossCarryforwardsForeignExpiringCurrent" name="OperatingLossCarryforwardsForeignExpiringCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_OperatingLossCarryforwardsForeignExpiringNextTwelveMonths" name="OperatingLossCarryforwardsForeignExpiringNextTwelveMonths" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" 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_MaximumAmountOfContingentExplorationWellCost" name="MaximumAmountOfContingentExplorationWellCost" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_IrelandMauritaniaMoroccoSenegalAndSurinameMember" name="IrelandMauritaniaMoroccoSenegalAndSurinameMember" nillable="true" type="nonnum:domainItemType" 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_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_CarriedInterestByThirdParty" name="CarriedInterestByThirdParty" nillable="true" type="num:percentItemType" 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" />
  <element id="kos_TimisCorporationLimitedMember" name="TimisCorporationLimitedMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_CayarOffshoreProfondAndSaintLouisOffshoreProfondBlocksMember" name="CayarOffshoreProfondAndSaintLouisOffshoreProfondBlocksMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_KosmosEnergyVenturesMember" name="KosmosEnergyVenturesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_OperatingLossCarryForwardsForeignExpiringYearsFour" name="OperatingLossCarryForwardsForeignExpiringYearsFour" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_OperatingLossCarryForwardsForeignExpiringYearsSix" name="OperatingLossCarryForwardsForeignExpiringYearsSix" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_OperatingLossCarryforwardsForeignExpiringSixYearsThereafter" name="OperatingLossCarryforwardsForeignExpiringSixYearsThereafter" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_TermJanuary2018ToDecember2018Member" name="TermJanuary2018ToDecember2018Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_TermJanuary2019ToDecember2019Member" name="TermJanuary2019ToDecember2019Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_AccountingStandardsUpdate201517Member" name="AccountingStandardsUpdate201517Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_Block5Member" name="Block5Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_Block6Member" name="Block6Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_AccountingStandardsUpdate201503And201515Member" name="AccountingStandardsUpdate201503And201515Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_AmountOfOurFutureCostsReceived" name="AmountOfOurFutureCostsReceived" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_CapitalizedExploratoryWellCostsGreaterThanOrEqualToThreeYearsAndLessThanSevenYears" name="CapitalizedExploratoryWellCostsGreaterThanOrEqualToThreeYearsAndLessThanSevenYears" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_DebtInstrumentUnamortizedissuanceCostsAndDiscounts" name="DebtInstrumentUnamortizedissuanceCostsAndDiscounts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LineOfCreditAgreementMaximum" name="LineOfCreditAgreementMaximum" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_InterestRateLineOfCredit" name="InterestRateLineOfCredit" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_LineOfCreditReceivableAmountOutstanding" name="LineOfCreditReceivableAmountOutstanding" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_ImpairmentOfLongLivedAssetsAbstract" name="ImpairmentOfLongLivedAssetsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_MoroccoAndSenegalMember" name="MoroccoAndSenegalMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_ThreeDSeismicRequirements" name="ThreeDSeismicRequirements" nillable="true" type="num:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="kos_AmountOfExplorationWellCostsToBePaidByThirdParty" name="AmountOfExplorationWellCostsToBePaidByThirdParty" nillable="true" type="us-types:perUnitItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>