吳倉堡油田長91油藏地質(zhì)特征研究及開發(fā)前景預測.pdf

1、西安石油大學碩士學位論文吳倉堡油田長91油藏地質(zhì)特征研究及開發(fā)前景預測姓名：雷俊杰申請學位級別：碩士專業(yè)：石油與天然氣工程指導教師：蔣華義曹金舟20111125英文摘要Subject：TheStudyofGeologicFeaturesandDevelopmentProspectsofChang91ReservoirinWuCangbaoOilfieldSpeciality：Oil&gasengineeringName：LeiJunji

2、e(signature)Instructor：JiangHuayi(signCaoJinzhou(signAbs仃actInordertoincreasetheproductionrate，onthebaseofthegeologicfeatureandmakethemostoftheinformationofcore—holeandgeophysicalwelllogging，makeuseofthemethodthatmovinga

3、ndstaticstatecombinedtogetherresearchdepositmicrofaciesandthedevelopingprospectsofreservoirformseveralaspectsUsingcoreobservationandthedataofthingidentification，Xdiffraction，electronicprobespectrumandimageanalysis，Accord

4、ingtothegeologicalmaterials，preliminarilydelineatedtheoil—beatingareaandaverageeffectL7ethicknessStudyofsandstonecharacteristics，porestructureandporetypesThemaincontentsoftheconclusionscanbesummarizedasfollows，Onthebasis

5、ofanalysisonC91reservoirmicrostructureforthefirsttime，theresultshowdistributionoftopsurfaceofsandstoneinC9lisconcordantwithtectonicbackgroundThereisanosestructuresalongWellWu27WellWu28sideinnorthernareaAndaneastwestwardm

6、icrotectonicupl：iflislocatedinthesouthemareaalongWellWu34一WellWu37ThesetwoupliftsplayapositiveroleinoilaccumulationThemainsandbodyofC91reservoirissubaqueousdistributarychannelThesubaqueousdistributarychannelsa／earrangeda

7、s“S”shapethroughWellWu27，Wu28Wu35andWu41ThesandstonesdevelopedinthenorthareaaroundWellWu27andWu28aredistributedinEWdirectionThesandstonesdevelopedinthemiddlesouthareaaroundWellWu28，Wu41andWu35，aredistributedinSNdirection

8、TheresearchshowthatC91，mainreservoirrocktypeisfeldsparsandstoneIntergranularporesanddissolvingintergranularporesispredominantporetypesOnthewhole，C91isatypicallowporelowpermeabilityreservoirthemainoilabundancezoneislocate

9、dintheregionfollowingWellWu27WellWu9WellWu35WellWu34WellWu41AllowforthereissomeJurassicoilreservoirIntegralarrangementissuggestedDevelopmentprogramsuchasadvancedorsynchronouswaterinjectionandstratificationdevelopmentbyst