柴達(dá)木盆地西部圈閉評價方法及應(yīng)用.pdf

1、大連理工大學(xué)碩士學(xué)位論文柴達(dá)木盆地西部圈閉評價方法及應(yīng)用姓名：徐佑德申請學(xué)位級別：碩士專業(yè)：煤田、油氣地質(zhì)勘探指導(dǎo)教師：諶卓恒吳元燕20000301石油大學(xué)(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