邊臺油田潛山油藏天然裂縫預(yù)測方法研究.pdf

1、大慶石油學(xué)院碩士學(xué)位論文邊臺油田潛山油藏天然裂縫預(yù)測方法研究姓名：陳超申請學(xué)位級別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：王雅春李鐵軍20060515摘要PredictionMethodforBiantaiBuriedHillReservoirFracturesAbstractThelackoffuturesubstitutereservesforLiaoheOilfieldhaspushedthesearchforburiedhillreser

2、voirpotentialstotheforefront，andthisisaccompaniedbytheglobaladvanceofthetechnologyonrecognitionanddevelopmentoffracturedmetamorphicrocksBiantalburiedhill，asanimportanttarget，iscomposedofAnshanGroupmetamorphicrocks，itsfra

3、cturesbeingbothtrapsandflowpathwaysforhydrocarbonsTheaccuratedefinitionofthefracturesiskeytothesuccessfulexploitationoftheareaAtthemoment，therearevarietiesofapproachesaroundtheworldtoinvestigatethefractures，whichprovidef

4、avorableprovisionsforrecognizingandmasteringthenatureofthefracturesandtofurtherimprovethedevelopmentbenefitofthefracturedreservoirsHowever，theseapproacheshavecertainapplicationconditionsFordifferenttypesoffracturedreserv

5、oir，thetheoreticalmodels，technicalsolutionsandcalculationparametersaredifferentiated111epapermainlystudiesthepredictionofstressandthedistributionofstructuralfracturesbywayoffiniteelementUponthegeologicalfeaturesofBiantai

6、buriedhillreservoir，theoreticalmodelforpredictionofstressandstructuralfracturesbyfiniteelementnumericalsimulationisestablishedandpropercalculationmethodsarefoundAfterdetailedstudy，reasonablecalculationparametersarechosen

7、WiththeabovementionedfoundationActualcalculatingsimulationiSconductedforBiantaiburiedhillreservoirAccordingtothestudyresultofstressandfracture，analysisoftheoilfielddevelopmentscenariosisdoneandoptimizationprinciplesandme

8、thodsaregivenThesimulationinvolvedgreatnumberofdatawitllcomplicatedbackgroundsThedesignandanalysisaredifficulttomakeHowever，comparedwiththeactualsituation，itisprovedthatthestudyresultofthispaperisinaccordancewiththeoilfi

9、eldperformanceandthetheoreticalmethodsareaccurateandfeasibleTheworkthathasdoneiSofgreatvaluetothestudyofstressstudyoffracturedreservoirandthedevelopmentofthiskindofreservoirsSeveralbreakthroughswereachievedduringtheresea

10、rch：1Elasticmechanicsandfiniteelementmethodsarcemployedtoformasoundandracticalsystematicframeworktopredictstructuralstressandfractures23Dfiniteelementnumericalsimulationcanpresenttheactualdistributionofformationsandstruc

11、turesAftersomeprocessingforthethinbedsandfaults，withoutfurtherconstraints，thecalculationCanproducethetrustworthyspatialdistributionofstressandfractures3Theresearchresultsachievedonstressandstructuralfractureshasbeenemplo