offshore seismic exploration外语英文电子书

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1、OffshoreSeismicExplorationPresentedto:BCSeafoodAllianceFebruary17,2004SchlumbergerPrivateDougBogstieMarketingManagerWesternGecoGECODIAMONDSchlumbergerPrivatePresentationOutline•SeismicAcquisitionFundamentals•AcquisitionFootprintSchlumbergerPrivate•Seism

2、icData•MarineSeismicSource•Streamers•MackenzieRiver2002Test•MitigationMeasures•QuestionsMarineAcquisitionSystemBoatSeaSurfaceSourceSchlumbergerPrivateCablewithhydrophonesIncidentReflectedwaveswavesSeabedSedimentaryLayersMARINEACQUISITIONSchlumbergerPriv

3、ateSeabottomSubsurfaceinterfaceCommonShotgatherMARINEACQUISITIONSchlumbergerPrivateSeabottomSubsurfaceinterfaceMARINEACQUISITIONSchlumbergerPrivateCommonMidPoint(CMP)gatherCOMMONMIDPOINTGATHERSchlumbergerPrivate“Primary”reflectionsCommonMidPoint(CMP)gat

4、herCOMMONSHOTGATHEROffsetDirectArrival1.0SwellnoiseSchlumbergerPrivate2.03.0Seabottomreflection4.05.0Seabottommultiple6.07.0Two-WayTime,seconds8.02Dvs3DMarineSeismicSchlumbergerPrivatePresentationOutline•SeismicAcquisitionFundamentals•AcquisitionFootpri

5、ntSchlumbergerPrivate•SeismicData•MarineSeismicSource•Streamers•MackenzieRiver2002Test•MitigationMeasures•QuestionsAerialViewofSeismicVesselinOperation~100~20mx20mSchlumbergerPrivatem~200mm006~VESSEL“FOOTPRINT”CONCEPTSchlumbergerPrivatePresentationOutli

6、ne•SeismicAcquisitionFundamentals•AcquisitionFootprintSchlumbergerPrivate•SeismicData•MarineSeismicSource•Streamers•MackenzieRiver2002Test•MitigationMeasures•QuestionsConstituentsofSeismicDataSourceArraySurfaceWavesReceiverArraySurfaceReverberationsGhos

7、tsSchlumbergerPrivateLunevenseabedScatteringossesInterbedMultiplesoverburdenLateralVariationSteepDipsFresnelZoneThinBedsSchlumbergerSmallThrowsGeco-PraklaSTANDARDSEISMICDATA3DPROCESSINGSchlumbergerPrivatePresentationOutline•SeismicAcquisitionFundamental

8、s•AcquisitionFootprintSchlumbergerPrivate•SeismicData•MarineSeismicSource•Streamers•MackenzieRiver2002Test•MitigationMeasures•QuestionsDualsourceSub-array300%door20m2200litrefloat10.5mTowPointtoCoS9mSchlumbergerPrivate6m250m12m6m