柴達木盆地西部圈閉評價方法及應用.pdf

1、大連理工大學碩士學位論文柴達木盆地西部圈閉評價方法及應用姓名：徐佑德申請學位級別：碩士專業(yè)：煤田、油氣地質(zhì)勘探指導教師：諶卓恒吳元燕20000301石油大學(北京)碩士畢業(yè)論文AbstractChaidambasinisalargepetroliferoussedimentarybasinwithgreathydrocarbonpotentialinQinghaiProvince，northwesternChinaThewesternp

2、ortionofChaidamBasin(WesternChaidamBasin)isthemainoilproductiveregioninChaidamTertiarysandstoneandfracturedreservoirsarcthemainexploratorytargetsinWesternChaidamBasinThespatialdistributioncharacteristicsofhydrocarbonoccu

3、lTencesaredifferentindifferenttypesofreservoirandarecontrolledbytheextentofsourcerock，regionalfaultsanddifferentreservoirspaceProspectevaluationisimportantforprovidinginformationinexplorationportfoliomanagement，andgenera

4、llyincludes1)geologicalevaluation，2)resourceassessmeilt，and3)egonomicevalnationandprospectrankingThegeologicalevaluationinvolvestheanalysisoffivegeologicalfactors(sourcerock，reservoirbed，trap，preservationandmatching)whic

5、hreflectsthenecessaryconditionsfurhydrocarbonaccumulationTheprobabilityofgeologicsuccessisobtainedbymultiplyingtheprobabilitiesoftheoccurrenceofeachofthefivegeologicalfactorsThispaperpresentedasetofcriteriafurevaluatingt

6、heprobabilitiesofoccurrenceofeachofthefivegeologicalconditionsExplorationriskandgeologicalfavorabilityoftheprospectsinWesternChaidamBasinwereobtainedbyusinggeologicalriskprobabilitymethodandfuzzymethodaccordingtothecrite

7、riaAndtheformulaproposedbyRABaker(1988)WasusedtoquantitativelyanalyzethegeologicSuccessThispaperdiscussedthedistributionfeaturesandtherelevanceoftheparametersofthediscoveredpoolsinWesternChaidamBasinietoefficientofoilbea

8、ringareaeffectivereservoirthicknesseffectiveporosi吼hydrocarbonsaturation，oilformationvolumefactoroildensityandgasandoilratioThevolumetricmethodisusedasamodelfurassessinghydrocarbonpotentialofprospectinthispaperMonte—Carl