14842.羊馬河長2油層組儲層評價

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3、ructor：StudyonreservoircharacteristicofChang2MemberofYangMaOilfieldPetroleumgeologyYangWeijun(signature)WuFuH(signature)ShenWeibin(signature)。洫乜比邊宓ABS’l’RACl’OrdosBasinisoneoftheearliestdiscoveredoilfieldsinChinatheoilan

4、dgasexplorationhasmaderemarkableachievementsthroughseveralgenerationofoilmanhardworkingTriassicofOrdosBasinisthemostimportantoilbearingseries，andoilbearingareaoilgeologicalreservesandproductionwereincreasingyearbyyearRes

5、ervoirtypemainlybelongstolithologicalorconstructlithologicalreservoirwhichisalsothelowporosityandpermeabilityoilfield，thereservoirhaslowmineralmaturityandhightexturalmaturityitscharacteristicswereparticlemixed，highlyhomo

6、geneous，s仃ongcompaction，epigenesis，loworiginalintergranularporeYangMaHeareainWaYaoBaooilfieldlocatedinZichangcountyShaanxiprovince，reservoirpositionlocatedinshanbeislopeofOrdosBasinReservoiralsohadsamecharacteristics，suc

7、haslowporositylowpermeabilityandlowoilsaturation，whichbelongedtolithologicalreservoirofweakgeologicaltectonicactivityThroughyearsofexploration，ithasbeenfoundrichoilandgasshowsintheexplorationareasHoweverthefollowingresea

8、rchismuchlessinthearea，suchasChan92reservoiritssandgroup，smalllayersofsedimentarymicrofaciesandsandbodydistributionStudyofreservoircharacteristicsisfarfromenough，includingpetrologycharacteristics，physicalcharacteristics，

9、porestructure，diagenesis，reservoircomprehensiveevaluationItwouldbecome”bottleneck”whichlimitsdevelopmentofChan92reservoirInordertobreakthroughthegrasptheresearchdistrict2reservoirdistribution，providetheoreticalbasisforfu

10、rtherexplorationanddevelopmentofscience，theresearchonreservoircharacteristics，andunderstandingofreservoirlithologyphysicalpropertyDiagenesisandporestructurecharacteristics，finallyitisnecessarytoevaluatereservoirBasedonth

11、ecomprehensivestudiesofreservoirdetailed，furtherunderstandthecharacteristicsofthereservoironthewholeblockprovidesageologicalbasisforsubsequentdevelopmentKeywords：YangMaoilfield，Chan92reservoirlowpermeabilityReservoirchar