底水油藏应用井下油水分离技术的数值模拟研究

:2005-11-21;:2006-06-28::(1978-),,,:(257061)271,:0546-8393010;13954646133,E-mail:[e-mail],,().1,2006,29(4):38-40:,,,:,,;,:;;;;:TE319:A:1006-768X(2006)04-0038-03,2108t[1],,[2],,,,[3][4],[3],,,,;,,1.[5],,2258m,20m,35m,300m,,0.150m,60,4020,15960:0.18,10010-3m2,3310-3m2,5.810-4MPa-1,24.82MPa,720kg/m3,1.4510-3MPa-1,1.001kg/m31,10m12.,,22,,,;,,83DRILLING&PRODUCTIONTECHNOLOGY20067July2006,,10m3/d,1060%;5m3/d,10,41%2,,,,,100m3/d,590%,,,,,,,100m3/d,,,65%(65%),3,(100m3/d),90%(,),,(10m3/d),65%434,1(3),,,(23m3),,,,65%,,50%,,,,(4),(6090m3/d),(18%),,93294Vol.29No.4DRILLING&PRODUCTIONTECHNOLOGY,,,:,,,,,:100m3/d(90%),,(10m3/d),65%,0.1m,0,10m,30m,50m55,,,,,,10m,,;,,(1)(4),(6090m3/d),(18%),(2),,,,,,(3),,;,,,,,[1],1[J]1,1997(4).[2]M.R.Islam.,.[J].,1999(1).[3]MattewsCM,etal.ApplicationofDownholeOil/WaterSeparationSystemsintheAllianceField[J].SPE35817,1996:453462.[4]LarryJ,Chrusch.DownholeOilandWaterSeparation-PotentialofNewTechnologyProceedings,IndonesianPetroleumAssociationTwentyfifthSilverAnniversaryConvention,1997-10.[5]1[M]1:,1999:308-311.(:)04DRILLING&PRODUCTIONTECHNOLOGY20067July2006softwarebasedonthismethod,dataofNorth-SandongdongblockinDaqingOilfieldhavebeenstudied.Thecoincidencerateofresultsbe2tweenthesoftwareandartificialchoicewas81.7%.Thismethodisfea2sible,anditcanimprovetheworkefficiencyandveracity.Keywords:sandstonereservoir,fuzzycomprehensivejudgment,lowefficiencycirculationSONGKaoping(professor),bornin1962,graduatedfromOilfieldDevelopmentEngineeringDepartmentofDaqingPetroleumInstitutein1983,isengagedintheresearchonreservoirengineering.Add:Sci2entificResearchDepartmentofDaqingPetroleumInstitute,Daqing163318,Heilongjiang,ChinaTel:0459-6506789E-mail:[e-mail]RUSINGDOWNHOLEOIL-WATERSEPARATIONTECHNOLOGYINBOTTOMWATERDRIVERESERVOIRJIANGHaiyan,ZHANGQiandLIHeng(PetroleumEngineeringInstitute,ChinaUniversityofPetroleum(EastChina)),DPT29(4),2006:38-40Abstract:NumericalsimulationmethodwasadoptedtoinvestigateoilwellproductionperformanceandthetransitionofwatercutinbottomwaterdrivereservoirsusingDownholeOil-waterSeparation(DOWS)Technology.Theeffectofbafflesonavoidingtheinterference,evenbreakthrough,betweeninjectionzoneandproductionzoneiscalculated.TheresultshowsthatDOWSTechnologyisapplicableinthickbottomwaterdrivehomogeneousreservoirs,andtheinjectioninterferewiththeproductionzonefaintlyandnomalignantwaterfloodingoccur.BafflesdonothaveobviouseffectoncontrollingtheinterferencebetweeninjectionandproductionzoneinhighwatercutwellswithDOWS.Keywords:bottomwaterdrivereservoir,oil-waterseparation,baffles,waterinjection,numericalsimulationJIANGHaiyan(female,Ph.D.student),bornin1978,isen2gagedinresearchonEORinPetroleumEngineeringInstitute,ChinaU2niversityofPetroleum(EastChina).Add:PetroleumEngineeringInstitute,ChinaUniversityofPetroleum(EastChina),Dongying257062,Shandong,ChinaTel:0546-8393010;13954646133E-mail:[e-mail]YANALYSISINGASCON2DENSATEWELLWITHCONDENSEDWATERCHANGZhiqiang1,KANGZheng2,SUNLei1,YANWende1andSUNLiangtian1(1.StateKeyLaboratoryofOilandGasReservoirGeolo2gyandDevelopmentEngineering,SouthwestPetroleumInstitute;2.CenterSichuanPetroleumResearchInstitute,SouthwestOilandGasFieldCo.),DPT29(4),2006:41-43Abstract:Theregularproductivityanalysismethodofgascondensatewell,consideringtheoilandgasphasebehaviorvariety,ignoresthein2fluenceofcondensedwateronproductivity.Withmoreandmorenaturalgasexploitedindeepreservoir,somespecialcondensategasreservoirswithrichcondensedwaterareemergingcontinuously.Ifusingconven2tionalphaseanalysiswaysinsuchspecialcondensategasreservoirsex2ploitation,itwillresultinsomeerrorsinproducingmethod,engineeringdesignandperformanceanalysis.So,inordertoobtaintheexactproduc2tionperformanceofgascondensatewell,anewproductivityperformanceanalysismethodingascondensatewellisestablished,whichconsiderscomplexphasebehaviorofmulti-phaseliquid.Bycombiningthegas-liquid-liquid3-phaseequilibriumflashcalculationandconsideringthedistributionofretrogradecondensedliquidsaturationandeffectofreser2voircontaminationinimmediatevicinityofwellbore,aformationflowmodelissetup.Onthebasisofthemethodsandcalculationmodelspre2sentedbythispaper,thecorrespondedcomputerprogramshasbeende2velopedbyusingVBcomputerlanguageandAccessdatabase.Thissoft2warepackagecanaccuratelypredictthedeliverabilityperformanceofgascondensatewellindifferenttimes.Keywords:gascondensatewell,phaseequilibrium,seepageflow,phasebehavior,condensedwater,productivityCHANGZhiqiang,bornin1980,heisstudyingforhisdoctorsdegreeinSouthwestPetroleumInstitute,isengagedingasfieldandgascondensatereservoirdevelopment.Add:StateKeyLaboratoryofOilandGasReservoirGeologyandDevelopmentEngineering,SouthwestPetroleumInstitute,Xindudistrict,Chengdu610500,Sichuan,ChinaTel:13018249157E-mail:[e-mail]HEATLOSSINDEVELOP2MENTHEAVYOILRESERVOIRBYSTEAMINJECTIONZENGYuqiang1,LIXiaoping1,CHENLi2,LUXiaohuiandWANGQin1(1.SouthwestPetroleumInstitute;2.HuanxilingOilPro2ductionPlant,LiaoheOilfieldBranchCompanyofPetroChina;3