1167.直羅油田張家灣區(qū)長(zhǎng)8油藏有利區(qū)預(yù)測(cè)

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3、pectingAdvantageousonChan98ReservoirofYanchangFormationinZhangjiawanarea，ZhiluooilfieldSpeciality：GeologiName：CaiJinInstructor：WangGABSTRACTZhangjiawanareaisbelongtoZhiluooilfieldwhichislocateintheFuxianShanxiDrovince，t1

4、1isareaisabout1200squarekilometersItstectoniclocmionisinthesoutheastofShanbeislope，OrdosBasinThemainoilbearingbeingdevelopedisChan92forrnationintheDast。andnoW，theexplorationofChan92isverylimitation，justrelyonnewformatlon

5、totakeoverInrecentVears，inordertopromotetheyieldofstageandincreasing，itlsurgenttnatexDlorethelowerYanchangformationespeciallyChan98reservoirofZhan目lawanareaAccordingtothepetroleumgeology，sedimentarygeology，logginggeology

6、reserv01rgeologygeochemistryandSOonasaguideBasedontheexperimentaltesttechnologywiththeuseofthefieldoutcrop，welldrilling，loggingandproductionperformancedataAsthebeginllingofstudyingdepositional—faciesandsanddistribution，m

7、akingacomprehenslVelYanalvsisofthecharacterofreservoirdiagenesisstudyreservoirquality衄cr08coplcporestructurerelationshipofoilnatureandmacroscopicheterogeneitycombinewiththech甜acterofsourcerockwhichcontrolsthedistribution

8、pointouttheadvantageouszonesinthisareaofhydrocarboninacertaindegree，andfinallyThestudvshowsthattheChan98formationhasagentlestructure1SlowandslowlatitudinalnoseshapedupliftsbasedonwesteastdipmonoclineThefrontdeltadeposltl

9、ondevelopedmainlysubaqueousdistributarychannel，thetwowingsofrivermicro士acle8andsubaqueousinterdistributaryembaymentThemaintypeofsandstone1smmuteandmintuenessgranularfeldspathiclithareniteandlithicarkoseThedominatingporet

10、yPes撒feldspardissolutionandintergranularporeBecauseofpoorphysicalpropert)，，Chan98belongstoextremelylowerporosityandpermeabilityreservoirOnthebasisofregularDhvsicaldata，thesecondaryisChan98reservoirtheaverageporosityis100

11、2％andtheaVerageDerrneabilityis03lrnDThemainlyexperienceddiagenesisarecompactlon，pressuresolution，cementation，metasomatismanddissolutionIntheunderlyingofChan98isChan99，whichhasalargedistributionandthicknessandisthemainsou