淺層低壓低滲透油藏開發(fā)技術對策——以渭北油田為例(1)

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3、lPoliciesofLowPermeabilityReservoirwithShallowandLowPressur爭—一AnExampleofWeibeiOilfeildSpeciality：Name：Instructor：ABSTRACTI‘heexplorationofshallowandlowpressurereservoirshasbecomevaluableresearchdirectioninexplorationand

4、developmentoflowpermeabilityreservoirduringrecentyearsAsoneoftherepresentativeblockofshallowandlowpressurereservoirs，theChan93ofWeiBeioilfieldreservoirshowsagreatresourcepotentialanddevelopmentprospectsWiththeoilreservoi

5、rburieddepthrangefrom340mto578m，theaverageporosityis1014％，theaveragepermeabilityis053x10‘3m2andthepressurecoefficientisabout0506，TheChang3reservoirinresearchblockisatypicallowpermeabilityreservoirwithshallowandlowpressur

6、eTheburieddepthofthesereservoirsisshallowtheconventionalproductionmethodsandparametersCannotbeapplieddirectlybecausetheoriginalformationpressureandrockburstpressureislow；Theexiaenceoflowpressurereflectsshortageofnaturale

7、nergyinreservoirSOappropriatedevelopmentmodeshouldbeusedtosuppleenergyinmining；CharacteristicsoflowpermeabilityperformspoorflowabilityinreservoirittakesgreatdifficultyinachievingdisplacementeffectivelyTherefore，itisneces

8、sarytodemonstratethetechnicalpolicieswhichfitforthefeatureofsuchreservoirscientificallyThispaperwilltakeChan93reservoirofWeiBeioilfiledforexampletodemonstratethetechnicalpoliciesforlowpermeabilityreservoirwithshallowandl

9、owpressureOnthebasisofstudyingonthebasisofChan93reservoirgeologicalcharacteristicsofWeiBeioilfiled，thispaperachievefinedescriptionofthestudyingreservoirbyusingthreedimensionalstochasticmodeling；Itgrasptheproductioncharac

10、teristicsofoilwellandeffectiveruleofinjectionwellbyanalysisingproductiondynamicofdevelopedblocksinthisreservoirCombinedwiththesuccessfuldevelopmenttheoryofthelowpermeabilityreservoirinErdosBasin，ithascompletedthestudyont

11、echnicalpoliciesofChan93reservoirincludingdevelopmentmode，wellpatternsystem，pressuresystemandwaterinjectionparameterbyusingreservoirengineeringtheoryandnumericalsimulation、’Keywords：Lowpermeabilityreservoirswithshallowan