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        <link:definition>0120 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME</link:definition>
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        <link:definition>06051 - Disclosure - Fixed Assets (Details Textual)</link:definition>
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        <link:definition>0604 - Disclosure - Inventories (Details)</link:definition>
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        <link:definition>06113 - Disclosure - Income Tax (Details 3)</link:definition>
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        <link:definition>0611 - Disclosure - Income Tax (Details)</link:definition>
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        <link:definition>0511 - Disclosure - Income Tax (Tables)</link:definition>
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        <link:definition>0508 - Disclosure - Intangible Assets (Tables)</link:definition>
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        <link:definition>0608 - Disclosure - Intangible Assets (Details)</link:definition>
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        <link:definition>0607 - Disclosure - Goodwill (Details)</link:definition>
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        <link:definition>0507 - Disclosure - Goodwill (Tables)</link:definition>
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        <link:definition>0606 - Disclosure - Multiclient Seismic Data (Details)</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>0506 - Disclosure - Multiclient Seismic Data (Tables)</link:definition>
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        <link:definition>0605 - Disclosure - Fixed Assets (Details)</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:linkbaseRef xlink:type="simple" xlink:href="slb-20120331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="slb-20120331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="slb-20120331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="slb-20120331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links, all" />
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  </annotation>
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  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2011-01-31" schemaLocation="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd" />
  <import namespace="http://fasb.org/us-gaap/2011-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd" />
  <import namespace="http://xbrl.sec.gov/country/2011-01-31" schemaLocation="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd" />
  <import namespace="http://xbrl.sec.gov/currency/2011-01-31" schemaLocation="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd" />
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  <element id="slb_DeferredTaxAssetsIntangibleAssets" name="DeferredTaxAssetsIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
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  <element id="slb_GuaranteedNotesThreePointZeroZeroPercentDueTwoThousandThirteenMember" name="GuaranteedNotesThreePointZeroZeroPercentDueTwoThousandThirteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_GuaranteedNotesFivePointTwoFivePercentDueTwoThousandThirteenMember" name="GuaranteedNotesFivePointTwoFivePercentDueTwoThousandThirteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
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  <element id="slb_IntangibleAssetsGrossExcludingGoodwill" name="IntangibleAssetsGrossExcludingGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="slb_IntangibleAssetsMajorClassNameDomain" name="IntangibleAssetsMajorClassNameDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_MulticlientSeismicDataChargedToCostOfGoodsSoldAndServices" name="MulticlientSeismicDataChargedToCostOfGoodsSoldAndServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element name="MulticlientSeismicDataTextBlock" id="slb_MulticlientSeismicDataTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" />
  <element id="slb_OilfieldServicesMember" name="OilfieldServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_OtherCurrentAssetsMember" name="OtherCurrentAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_VariableRateDebt" name="VariableRateDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="slb_PaymentsForProceedsFromCapitalizedCostsSupportEquipmentAndFacilities" name="PaymentsForProceedsFromCapitalizedCostsSupportEquipmentAndFacilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="slb_MulticlientSeismicDataCapitalizedInPeriod" name="MulticlientSeismicDataCapitalizedInPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="slb_ChargesAndCreditsMember" name="ChargesAndCreditsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_DistributionMember" name="DistributionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_SeniorNotesSixPointZeroZeroDueTwoThousandSixteenMember" name="SeniorNotesSixPointZeroZeroDueTwoThousandSixteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_SeniorNotesNinePointSevenFiveDueTwoThousandNineteenMember" name="SeniorNotesNinePointSevenFiveDueTwoThousandNineteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_SeniorNotesEightPointSixTwoFiveDueTwoThousandFourteenMember" name="SeniorNotesEightPointSixTwoFiveDueTwoThousandFourteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_SegmentInformationTextualAbstract" name="SegmentInformationTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_IntangibleAssetsAdditionalInformationAbstract" name="IntangibleAssetsAdditionalInformationAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_NumberOfCountriesInWhichCompanyConductsBusiness" name="NumberOfCountriesInWhichCompanyConductsBusiness" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" name="DerivativeInstrumentsAndHedgingActivitiesTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_MergerRelatedTransactionCostsMember" name="MergerRelatedTransactionCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_GuaranteedNotesFourPointFiveZeroPercentDueTwoThousandFourteenMember" name="GuaranteedNotesFourPointFiveZeroPercentDueTwoThousandFourteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember" name="GuaranteedNotesTwoPointSevenFivePercentDueTwoThousandFifteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_DrillingMember" name="DrillingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_OtherServicesMember" name="OtherServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_RestructuringChargesPretax" name="RestructuringChargesPretax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="slb_ThreePointThreeZeroPercentSeniorNotesDueTwoThousandTwentyOneMember" name="ThreePointThreeZeroPercentSeniorNotesDueTwoThousandTwentyOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_OnePointNineFivePercentSeniorNotesDueTwoThousandSixteenMember" name="OnePointNineFivePercentSeniorNotesDueTwoThousandSixteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="slb_FloatingRateSeniorNotesDueTwoThousandFourteenMember" name="FloatingRateSeniorNotesDueTwoThousandFourteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_ChangesInCarryingAmountOfGoodwillTableTextBlock" name="ChangesInCarryingAmountOfGoodwillTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_WilsonDistributionBusinessMember" name="WilsonDistributionBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="slb_ReservoirProductionMember" name="ReservoirProductionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
</schema>
