【7A文】选择性射孔在综合开发中的应用.ppt

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1、ApplicationofselectiveperforationinComprehensivedevelopmentbeforeenhanceoilrecoveryafterthepolymerflooding.Nev.25,2011ApplicationofselectiveperforationinComprehensivedevelopmentbeforeenhanceoilrecoveryafterthepolymerflooding.ForSimplicity,thetitleiscalledSP

2、CD1.whyusingSPCD1.1thecharacteristicofresidualoilafterpolymerflooding44.4%remainingoilisdistributedinslightandunflushedsection.Ratio(%)highlyflushedmoderatelyflushedsightflushedunflushed1.whyusingSPCD1.1thecharacteristicofresidualoilafterpolymerfloodingType

3、sofremainingoilIntheThicklayer岩心水洗剖面测井曲线PI4Inthethinlayer岩心水洗剖面测井曲线PI1targetsofSPCDAlternativedistribution1.whyusingSPCD1.2afterPolymerFlooding,nofeasibletechniquescangetgoodresultinenhancingthinlayeroilrecoverypolymerflooding(PF)highconcentrationpolymerflo

4、oding(HPF)(highmolecularweight/highconcentration)SPflooding(surfactant+polymer)ASPflooding(alkali+surfactant+polymer)Foamflooding(FF)(co2+surfactant/natrualgas+surfactant)Techniquesused:HighPermeabilityZoneHPFPFAfterdifferentfloodingWay,theHPZ’sSoisveryLow.

5、SPASPFFLaboratorydisplacementexperimentsoLaboratorydisplacementexperimentmoderatePermeabilityZoneSPASPFFHPFPFsoAfterdifferentfloodingWay,theMPZ’sSoisalsoLow.SPButinLPZ,ThereStillhavearelativelyhighSoASPFFHPFPFLaboratorydisplacementexperimentsolowPermeabilit

6、yZoneIntheactualdevelopmentofthiskindofoilfields,thinlayerismorehardtobefloodedDuetointerlayerInconsistency，lowPermeabilityZoneStillhaveahighSo.AllTechniquesusedcannotgetgoodresultinenhancingthinlayeroilrecoveryTheaboveisthemaincausetochoiceSPCD3.Appliedcas

7、ebasicparameterarea，km21.9layerPI1、PI3-7Wellnumber50Wellspacing（m）175Sand(ｍ)9.5pay(ｍ)3.63.1targetarea:completedpolymerfloodingPlaneandverticalcontradictionsseriouslyWellPattern(5-spot)B1-6-PJ58B1-6-57D4-P544-P137D6-P138B1-D4-PJ52B1-D4-PJ53B1-D4-PJ54B1-D4-PJ

8、55B1-D4-PJ56B1-6-PJ57B1-6-PJ56B1-6-SPJ555-PJ565-D6-PJ137D6-PJ38D6-PJ138D4-P53D4-P55D4-P564-P384-CSP1384-P39D5-P38D5-P138D5-P39D5-CSP1395-P565-575-P585-59D6-P137D6-P38D6-P39B1-B1-4-PJ374-PJ138B1-D5-PJ13