數(shù)字三分量地震勘探技術(shù)研究及其在海拉爾油田的應用.pdf

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3、ty：Name：InstructorResearchonDigital3CSeismicexplorationTechnology＆theusinginHaila’eroilbasinInstrumentandMeterEngineeringLiuDewei(signature)：LiChangxing(signatuSeismicdataacquisitionisallimportantpartofseismicexploration

4、seismicexplorationiswidelyusedatpresent，makethereisnothingcomparabletothiscontributioninthefieldofoilandgasexploration，thoughitstechnologyhasbeenverymature，buttherearestillsomeproblemsaredifficulttosolvetheirownPwaveexpl

5、orationMulti—componentseismicexplorationtechnologyCansolvetheproblemcannotbesolvedincompressionalwaveexplorationproblems，mainlyreflectedin：whenthelongitudinalwavetransmissionacrossshallowreservoirP—waveenergyCandisperse，

6、makesthegeologicalstructureimaginglayerunder向匹夠Byusingmulticomponentexploration，convertedwavesCanpenetratethegas，andthegasofaccurateimaging；insomeareas，coveringlayeritselfisahi曲impedancematerial，suchasrockhillorvolcanock

7、thisrockisthemodeconversionlayerisverystrong，mostofthewaveenergyintowaveenergythePwavepoorimagingqualityByusingmulticomponentexploration，convertedshearwavecanimprovetheseismicimagingqualityofhighimpedancearea；insomeareas

8、，compared誦mtheoverlyingstrata，theP—waveimpedanceofsomereservoirisnotbigenough，theP—wavereflectionenergyisnotstrongenough，thereservoirimagingisnotclearHoweverwhenthetransversewaveimpedancedifferencemaybelarge，makingtheres

9、ervoirclearimaging；fortherockmediumcontainingfluidP—wavereflectionamplitudedecreasedsignificantlyshearwavereflectionamplitudeunchanged，iftheshearwavereflectionamplitudechanges，thenitmaymeanlithologychangeInadditionmultic

10、omponentseismicdatabythePoissonratioCanbedirectlylinkedtoparametersofreservoirrockpropertydirectidentificationoflithology；anisotropicmediumforthegeneralperformanceofthevelocityanisotropyorazimuthalanisotropywhenthewavepr

11、opagationinanisotropicmedium，theratewasdifferentinalldirections，therefore，teachthegroundreceivingpointtimeandreceivearenotinthesamedirectionMulticomponentseismicexplorationtechnologyofmulticomponentwillprovideanewunderst

12、andingofreservoirforthepeople，CandeterminereservoircharacteristicsofP—wavedataaloneCannotunderstandWiththistechnologyfromexplorationtoallkeydecisionsintegratedreservoiroptimization，seismicdatawillplayaveryimportantroleII