固井形成的水力封隔系统封隔能力评价方法

30120062WELLLOGGINGTECHNOLOGYVol.30No.1Feb2006:1004O1338(2006)01O0094O03,,,,,(,163453):,,(),,,,,:;;;;;:TE26:AEvaluationofIsolationAbilityoftheHydraulicIsolatingSystemFormedbyCementingLIUJi2sheng,ZENGGui2hong,XIERong2hua,LUXiu2mei,FENGYu,LIUYan(Testing&LoggingServicesCompany,DaqingOilfieldCO.,LTD.,Daqing,Heilongjiang163453,China)Abstract:Themostimportantfunctionofcementingforoilproductionandwaterinjectionwellistoprotecttheproductionstringandachievezonalhydraulicisolationbetweenadjacentpermeablezones.Casing2cementsheathandformationformedaverticalhydraulicisolationsystem;hydraulicisolationabilityofthesystemformedbyce2mentingmainlydependsondefectionandstrengthofthesystem.Traditionalcementevaluationtechniquesmain2lydetectcement2to2pipebonding,insteadofcompletelyevaluatingthepurposeofcementing(zonalhydraulici2solationability).BasedonanalysisofthefeaturesofacousticloggingandGammaOgammadensitylogging,wegiveacomprehensiveinterpretationmethodofcementbondquality,thatis,combiningtheabovetwomethodstointerpretbondingstatesoftwointerfacesandcompressivestrengthofcementinordertocompensateeachother,then,usingabove2mentionedparameters,wecancomprehensivelyevaluatehydraulicisolationabilityofthesys2temforthepurposeofcementing.Keywords:cementquality;acousticlogging;cementdensitylogging;comprehensiveevaluation;hy2draulicisolationability;loginterpretation0-2-,,,[1],[2],()[3];,,,,,-,,[4],,(),,,1,--,2(1):():1,,,22.12.1.1,0.1mm,(),(),(),,,,[5]2.1.2,,(SBT),,SBT45[6]2.1.3,,,,,,(),,,,[7]2.2BI,,,,,,2,-[4]3,,,11/MPa8.04.08.08.04.08.08.08.04.08.08.04.08.04.08.08.04.08.0(SBT)(O)2,SBT3,0.6m0.9m1.5m,O2,0.2m0.4m,259301,:0.6m,,,,22,,Windows(2),SMART2000,,3.1,();2in(1in=2514mm)3in5in3.2;,3.32:,(Q/DCYJ120O1999)2,(),(,3)3SBTO4()(),,,,0.6m(SBT)(O),,:[1],.()[M].:,1981.[2].[D].,2000.[3].[M].:,1989.[4],,,.[A].[C],2002.[5],,,,,.O[J].,2002,26(5):399-401.[6],,,.[A].CNPC[C].:,1999.[7],,,.O[J].,2000,24(5):340-344.(:2005O08O23)692006QuinnRPassey,1982Exxon(),,1961,,,1983,(:18:710065:88250350/1/2/321105E2mail:[e-mail]),1969,,,(:400:400021:023267352033E2mail:[e-mail]),1970,,2003(:18:710065:13335381446),,()(::163412:045925672911E2mail:[e-mail].),1967,,1990,(::163853:04592469839713039807550E2mail:[e-mail]),1961,,1983,,1970,,1993,2002,,(::163853:045924698557E2mail:[e-mail]@163.com),1962,,1983,2004,(:1851:710065:02928829179813709248139E2mail:[e-mail]),1973,,1990(),(::457001:4893697E2mail:[e-mail]),1966,,1989,(::163412:045925685542E2mail:[e-mail]),1976,,(::030051:035123921753E2mail:[e-mail]),1966,,1989,2001,(::163453:045925089374:13936779298EOmail:[e-mail]),1974,,1997(),2005(),(:142:710021:029286530119EOmail:[e-mail]),1974,,(),,(:()2004:102249;123:84100009962217477113709956633;E2mail:[e-mail]),1971,,2001,2004,(:():163412:045925693141()13091661198:045925693445E2mail:[e-mail]@163.com),1987,(::300280:13821789595),1967,,(),(:13937795095E2mail:[e-mail]),,(),(::257015:054628715375),1968,,1989,(::257000:05462876152613356623783),1968,,1994,,(::710201:029286029721),1967,,,(::453700:0373O579562713903732062),,,8,3,19971,(:192504:710065E2mail:[e-mail]:02928838386783695901:13201877500),1960,,,(::163113:045925860062),1967,,,(:4:163453E2mail:[e-mail]:045925099257(O)),1990,(:142710021EOmail:[e-mail]),,1989,(::163412:13936765296)0012006