固井质量变化的影响因素分析

():-,,,,-,,:-;;;:TE26:B:100429134(2008)03200472030,,,,,-,,,11.1,,,,,[1]ST3-11-168,,83,98%8283,83,5.7t,2.2t,61%31116811.2,,,-1.3,1311168,-,;,,-,,2,,,,:,,1974,,1993,,:257051742008223PETROLEUMINSTRUMENTS2.12.1.1,,,,,,,,,,ST3-4-35,19888,1947m1962m,20063-,3435223435ST3-11x147,19945,2196.4m2211.4m,20058-,2.1.2,,,,ST3-11-142,1979,199383,309t,14,ST3-5-101,1988712-33,200m3350m3,435m3,,2.1.3,,,,,36X295,2006100%,9.3t/d,76.2%2006413-,,36X29532.1.4,,102450m,9.08%42.4%336X2952.22.2.1,,;,,,,,,[2]2.2.2,,,[3]3-6X295,2355m,97.4,84PETROLEUMINSTRUMENTS2008062.2.340,,,,,;,,ST3-5-191,SFT,2094.3m10.55MPa,2136.1m17.1MPa,41m7.36MPa,3519142.2.4,,,435191,,,2.2.5,,,,,35X399,3,363293501530m3,3531150m3,1m3,,,35X3995T142x58,100m,3311940t,33x12630t,33n124170t,33125330t,33124,,3(1),,(2),,,535X399(3)-,,[1],.[J].,2004,23(1)[2],,,.-[J].,2002,26(6)[3],,.[J].,2002,25(2)(:2008-02-27:)942008223:electricmotorinoil2gastransportationsystem.PI,2008,22(3):3436Theefficiencyistheprimaryevaluatingindicatorforelectricmotor,thequalityofmeasuredparametersinfluencesthesystemefficiencygreatly.Basedontheprincipleofuncertaintyanalysis,uncertaintyanalysismodelsofefficiencyforelectricmotorareestablishedandthecalculationmethodsaregiven.Then,anelectricmotorisemployedasanexampletoillustratetheproposedmethod.Finally,themeasurestoreduceuncertaintyofelectricmotorisdiscussed.Keywords:electricmotor;uncertainty;analysismodel;calculationmethodHuHaichuan,GuoHaimin,DaiJiacaiandSongHongwei.Studyontheprincipleofoiltubingandcasingelec2tromagneticdefectDetectionandfiniteelementanalysis.PI,2008,22(3):3739Inoilfieldproductionprocess,theoiltubingandcasingareoftendeformed,damagedandcorroded.Inordertomeettheneedofoiltubingandcasinginspectionandpredictionandenhancethedevelopmentofproductionloggingtech2nology,thispaperanalysestheelectromagneticdefectdetectionprincipleoftheoiltubingandcasing,andexpoundsfi2niteelementmethod.TheleakagemagneticsignalissimulatedbythedifferentflawsbasedontheANSYSwhichisfiniteelementanalysis(FEA)software.Thesimulationresultshowsthatdifferentflawscausedifferentsignal.Itprovidesprooftoidentifytheflawandevaluatethepipe.Keywords:oiltubingandcasing;electromagneticdefectdetection;time2sharingrecord;finiteelementanalysisZhangLeiandQueGuohe.Studyontheinteractionofinorganicbrinedispersantsinresidue.PI,2008,22(3):4043TheconductivityofdispersionsystemformedbydifferentdispersantandLiaoheresidueisdetermined,andtheef2fectofinteractionofdispersantontheelectro2chemicalpropertyofthesystemisstudied.Theconductivityincreaseswiththeconcentrationofemulsionincreasing,buttheconductivityofemulsionwithinhomogeneitydispersantisdifferent,in2dicatingthedifferenceofamountofpolargroupandcharge.Undertheconditionthattheconcentrationofdispersantissame,thedegreeofamplitudeisthatcationicanionicnon2ionicdispersant.TheconductivityofemulsionincreasewiththeconcentrationofCTAB.Theresultsofmixingofdispersantsrepresentthatthesmallerofconductivityandthelargerofinteractionofdispersants.Keywords:residue;dispersant;conductivityWangXingming,BaiJunhuiandZhaiCailan.Applicationofgeophysicalprospectingtoworked2outcoalsec2tion.PI,2008,22(3):4446Thispaperintroducestheprinciple,methodandeffectofcomprehensiveelectricprospectingappliedtoworked2outcoalsection.Thepracticalapplicationshowsthatthecomprehensiveelectricprospectingisaneffectivemethodforworked2outcoalsection.Keywords:Comprehensiveelectricprospecting;coalworked2outsection;applicationeffectShiXiaomei.Analysisofeffectfactorsofcementjobquality.PI,2008,22(3):4749Acousticvariabledensityloggingismainlyusedtocheckcementjobqualityofnewwell,providingdatafortheex2ploitation.Intherecentyears,itsapplicationhasbeendevelopedtooldareaofoilfield,forcheckingcementchannel2ing,stateofgroutoff,perforationsadding,etc..Thecementjobqualityischangingwithexploitation,andgivespassiveinfluencetonormalexploitationofwells.Bymeansofthemultidisciplinaryanalysisofacousticvariabledensityloggingdataanddynamic/staticdataofoilfieldblock,theeffectfactorsofcementjobqualityareresearched,thetreatmentsforimprovingcementjobqualityareprovided.Keywords:acousticvariabledensitylogging;cementjobquality;effectfactorsofcementjobquality;treatmentsZhangLingyun,JiFenglingandTanJingming.ApplicationofpermeabilityparametertoevaluationoftightandheterogeneityclasticreservoirinBaisebasin.PI,2008,22(3):5053Reservoirheterogeneityandrockporestructurehaveaneffectontheexploitationanddevelopmentofoil2gasfields.BasedontheanalyzedwellloggingdataofcoreinNaduformationofcentredepressionintheEastColofBaisebasin,theaffectfactorsofreservoirpermeabilityarestudied.Basedoncareful-interpretedwellloggingdata,whichincludeporosity(),shalecontent(Vsh),granularitymid2value(Md),reduciblewatersaturation(Swirr)andsoon,thepredic2tionofreservoirpermeabilityisrealizedbytheregressionanalysismethod,theheterogeneityinNaduformationisre2searchedindefinitequantityandhalf2definitequantity.Accordingtothecloselyrelationofporestructureandporethroat,thecharacteristicsofporestructureareevaluated.Inshort,thewholeshowsanintensiveheterogeneityandcom2plica