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  <xsd:element id="odc_DefinedContributionPlanEmployerMatchingContributionPercentofEmployeesGrossPayBeforeChange" name="DefinedContributionPlanEmployerMatchingContributionPercentofEmployeesGrossPayBeforeChange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_DefinedContributionPlanEmployerMatchingContributionPercentofMatchBeforeChange" name="DefinedContributionPlanEmployerMatchingContributionPercentofMatchBeforeChange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_DomesticOperationsMember" name="DomesticOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_EmployeeBenefitPlansAbstract" name="EmployeeBenefitPlansAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_EquitySecuritiesInternationalCompaniesMember" name="EquitySecuritiesInternationalCompaniesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_EquitySecuritiesUSCompaniesMember" name="EquitySecuritiesUSCompaniesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_FairValueAbstract" name="FairValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_FinancialInstrumentsAbstract" name="FinancialInstrumentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_FixedIncomeMultistrategybondfundMember" name="FixedIncomeMultistrategybondfundMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_ForeignOperationsMember" name="ForeignOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_ForeignandStateTaxStatuteOfLimitations" name="ForeignandStateTaxStatuteOfLimitations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_Grossdepreciableassets" name="Grossdepreciableassets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="odc_IncomeTaxesAbstract" name="IncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_IndustrialandSportsMember" name="IndustrialandSportsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_IntangibleAssetsWeightedAverageAmortizationPeriodAbstract" name="IntangibleAssetsWeightedAverageAmortizationPeriodAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_InternationalEquityMutualFundsDevelopedMarketsMember" name="InternationalEquityMutualFundsDevelopedMarketsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_InternationalEquityMutualFundsEmergingMarketsMember" name="InternationalEquityMutualFundsEmergingMarketsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_Landmineralrightsandreclamationasset" name="Landmineralrightsandreclamationasset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="odc_LineOfCreditFacilityVariableInterestRateLiborBased" name="LineOfCreditFacilityVariableInterestRateLiborBased" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="odc_LineOfCreditFacilityVariableInterestRatePrimeBased" name="LineOfCreditFacilityVariableInterestRatePrimeBased" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="odc_LumpSumSettlementExpense" name="LumpSumSettlementExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_MiningAndOtherMember" name="MiningAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_Netdepreciableassets" name="Netdepreciableassets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="odc_NoncontrollingInterestAgromexMember" name="NoncontrollingInterestAgromexMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_NoncontrollingInterestOwnershipPercentagePriortoParentsPurchaseofAdditionalInterest" name="NoncontrollingInterestOwnershipPercentagePriortoParentsPurchaseofAdditionalInterest" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="odc_NoncontrollingInterestParentOwnershipPercentagePriortoPurchaseofAdditionalInterest" name="NoncontrollingInterestParentOwnershipPercentagePriortoPurchaseofAdditionalInterest" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="odc_OTHERCONTINGENCIESAbstract" name="OTHERCONTINGENCIESAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_OfFundAssetsInvestedInNonUsStocks" name="OfFundAssetsInvestedInNonUsStocks" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_OfficeFurnitureComputersAndEquipmentMember" name="OfficeFurnitureComputersAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_OperatingSegmentsAbstract" name="OperatingSegmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_OtherInvestmentMember" name="OtherInvestmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_OtherNoncurrentLiabilitiesPolicyTextBlock" name="OtherNoncurrentLiabilitiesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_OtherOperatingIncomePolicyTextBlock" name="OtherOperatingIncomePolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_OverburdenRemovalAndMiningCostsPolicyTextBlock" name="OverburdenRemovalAndMiningCostsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_PackagingInventory" name="PackagingInventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="odc_ParentOilDriCorporationofAmericaMemberMember" name="ParentOilDriCorporationofAmericaMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_PensionAndOtherPostretirementBenefitsAbstract" name="PensionAndOtherPostretirementBenefitsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_Preproductiondevelopmentcosts" name="Preproductiondevelopmentcosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="odc_Preproductionoverburdenremovalcosts" name="Preproductionoverburdenremovalcosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_RetailAndWholesaleSegmentMember" name="RetailAndWholesaleSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_RevenuebyPrincipalProductbyOperatingSegmentAbstract" name="RevenuebyPrincipalProductbyOperatingSegmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_SERPAbstract" name="SERPAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_SalesOrTransfersBetweenGeographicAreas" name="SalesOrTransfersBetweenGeographicAreas" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="odc_SegmentReportingInformationOperatingIncomeForReportableSegment" name="SegmentReportingInformationOperatingIncomeForReportableSegment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_SeriesBSeniorNotesMember" name="SeriesBSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_ShelfNotes" name="ShelfNotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="odc_ShippingandHandlingCosts" name="ShippingandHandlingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="odc_ShorttermInvestmentsOriginalMaturityMaximum" name="ShorttermInvestmentsOriginalMaturityMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_StockBasedCompensationAbstract" name="StockBasedCompensationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_Strippingcosts" name="Strippingcosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_TradePromotionsPolicyTextBlock" name="TradePromotionsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="odc_TrademarksandPatentsMember" name="TrademarksandPatentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="odc_Trademarksandpatents" name="Trademarksandpatents" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="odc_TrademarksandpatentsaccumulatedAmortization" name="TrademarksandpatentsaccumulatedAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="odc_Vehicles" name="Vehicles" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="odc_WeightedAverageSharesOutstandingAbstract" name="WeightedAverageSharesOutstandingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
</xsd:schema>
