20659.馬嶺油田長8油藏儲層地質(zhì)特征研究(1)

1、西安石油大學碩士學位論文馬嶺油田長8油藏儲層地質(zhì)特征研究姓名：曲春霞申請學位級別：碩士專業(yè)：石油與天然氣工程指導教師：吳少波屈雪峰20121110英文摘要Subject：ResearchontheReservoirCharacteristicsoftheChang8FormationinMalingOilfieldSpeciality：PetroleumGeologyProfessionalName：QuChunxia(signatur

2、e)Instructor：WuShaobo(signature)0ABS’I’RAC。I’MalingareaislocatedinShanbeislopeofOrdosBasinIthasahugepotentialityofoilresource，SOithasabetterexplorationanddevelopmentprospectTheChang8ReservoirinMafingoilfieldwithalargeare

3、a，lowoilabundance，andisatypicaloflowporosityandpermeabilityoilp001ItsheterogeneityisSOstrongTherefore，thiswillhavepracticalsignificanceinthestudyofthecharacteristicsoftheChang8ReservoirinMalingoilfieldBasedonthepreviouss

4、tudyachievement，appliedwithcoresobservation，thinsectionauthentication，loggingdata，oilingtestdate，MalingOilfieldChang8reservoircharacteristicswerestudiedandthefavorablereservoirtapetopredictManytheoriesandtechnologicalabo

5、utsedimentarypetrologyandreservoirsedimentologyhavebeenusedBasedontheexistingstratigraphicclassification，thedividedtheChang8reservoirhassubdividedintoChang8l1，Chang812，Chang813，Chang82Byresearchofsedimentaryfaciesmarksan

6、dloggingcurveshape，thesedimentaryfaciesisdeterminedtobedeltaplain，deltafrontsediments，deltafrontdepositsoutsideandprodeltadepositionofdeltadepositionalsystemsAndthelateraldistributionofthesedimentaryfaciesarepredictedThe

7、averageporosityis812％，andtheaveragepermeabilityis050103pmzintheChang8reservoirTheporetypesismainlythekindofintergranularporeThelithologyarefeldspathiclitharenitesandstoneandlithicarkoseSoitisconsideredafterthecomprehensi

8、vereservoirevaluationthatthereservoirhavelowporositylowpermeabilityandhol嬲finejetsreservoirObservedthroughthecoreflakeswecanconcludedthatthediagenesisintheresearchareaaremainlycompactionandpressolution，cementationanddiss

9、olutionAftertheresearchontheheterogeneityoftheChang8reservoirsandstones，itcanbeconcludedthattheheterogeneityresultedfromsedimentaryenvironmentanddiagenesisinteractionOnthisbasis，theevaluationcriteriaofthestudyareareservo