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29220054JOURNALOFDAQINGPETROLEUMINSTITUTEVol.29No.2Apr.2005:2004209224;:;::(1966-),,,,.1,2,2,2(1.,100084;2.,163453):,,,,.:,,;,,,,,0.017t/d,3.911t/d;,55.8%85.4%.:;;;:TE357.14:A:1000-1891(2005)02-0040-03,12,2..,[1].,,.,,..,.,(),[3],,[4].,,,,,;,(),.11.1(1)().v=0.5t2s-t2t2s-t2,E=bt2s3t2s-4t2t2s-t2,K=b3t2s-4t23t2st2,=b/t2s.:v;t;ts;E;b;K;.(2).,04©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,v=AQ+B,A,B,,Q.E=(1+v)(1-2v)1-vbt2,K=(1+v)3(1-v)bt2,=(1-2v)2(1-v)bt2.(3).,ts=t1-1.151/b+1/2bexp(1/b)1.5.ts=bt2Xt+Yb+Z,:X,Y,Z,,X=2.1215,Y=45.3287,Z=-167.3120.1.2,po=D0(z)dz,:po;;D.Sxx=Syy=v1-v(po-pP)+pP,:Sxxx;Syyy;Biot;pP.pc=3Sh-SH+T-1-v1-vpo1+v1-v,:pc;Sh;SH;T.1.3,,.,,.S=AS+B,:A,B.22.13,,.,,.,,,;,,,.XX92,106.6m,.,,;,.13.8907104m36.4369104m3,.,,,.2.2,,,142:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.;,,,,.,,,,.1XX1.N158,18501856m,,29.6MPa.,18m3,2.8m3/min,200m,4.500kg/m2.5.986kg/m2,33.3m2cm.0.017t/d,3.911t/d,.2.3,,,,,2.03.0MPa,,,;,,,,,.,,.,,,,.XX,,,45m3,45.7%,44.81t,.,55.8%85.4%.3(1),,.(2),,,,,0.017t/d,3.911t/d.(3),55.8%85.4%.:[1].[M].:,2001.18-21.[2].[M].:,2001.38-39.[3],,,.(2004)[M].:,2004.327.24292005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.whichresultedindifficultyforfutureexploration.Inordertosolvethisproblemwecarriedoutthere2searchofoptimizedwell2disposingpatternsoftertiaryinfillingadjustment.Investigationshavebeenmadeofreasonablewellspacingdensity,producer2injectorspacingandwater2injectingmode,whichin2dicatedthatadjustablesandstonethicknessis12.40mandeffectivethicknessis1.88m;thereasonablewellspacingdensityis50-60well/km2;Producer2injectorspacingis200.00-250.00m;Homogeneouswell2disposingandminoradjustmentwereused,whichassuredthatwellsitescanbelocatedonenric2hingareaofremainingoil.Keywords:Eastofthenorthernblock;infillinguniform;homogeneouswell2disposing;minoradjust2ment;wellspacingdensity;producer2injectorspacing;water2injectingmodeThree2dimensionaldifferentialequationsforbottomholeassemblyunderlargedeflection/2005,29(2):34-39FANSen1,FANCun2,XINGShu2fang3,GUOQing2cai4(1.PetroleumEngineeringCollege,DaqingPetroleumInstitute,Daqing,Heilongjiang163318,China;2.WellDrillingResearchInstitute,DaqingPetroleumAdministrationBureau,Daqing,Hei2longjiang163511,China;3.TheSecondDrillingCompany,DaqingPetroleumAdministrationBu2reau,Daqing,Heilongjiang163511,China;4.DownholeOperationCompany,DaqingOilfieldCorp.Ltd.,Daqing,Heilongjiang163453,China)Abstract:Inthispaper,adetailedforceanddeflectionanalysishasbeengivenforbottom2holeassembly(BHA).BasedontheFrenet2Serretformulaswhichareveryimportantinthevectorandtensoranalysistheory,theforceandmomentequilibriumequationsareestablishedbythetechniqueofapparentcompo2nentssystem.Fromtheforceandmomentequilibriumequationsmentionedaboveandbytheuseofvec2toranalysismethod,3-DdifferentialequationsforBHAunderlargedeformationhavebeendevelopedthroughacloseandcomplexmathematicalsubstitutionprocess.Amistakeinreference[5]ispointedout.Keywords:bottomholeassembly;largedeflection;controlequation;threedimension;boreoletrajectoryApplicationofin2situstressprofiletohydraulicfracturing/2005,29(2):40-42DONGJian2hua1,2,LIUPeng2,WANGWei2(1.GeoscienceandSpacescienceSchoolofBeijingUniversity,Beijing100084,China;2.DownholeServiceCompany,DaqingOilfieldCorp.,Ltd.,Daqing,Heilongjiang,163453,China)Abstract:Inordertoimprovetheeffectandtechnicalleveloffracturingtreatment,calculationandcali2brationmodelsareestablishedbasedontheelastictheory,combinedacousticlogginginformationandtestingonthewell2siteoperation.TheresultsindicatethestressprofileonfracturedreformofDaqingdeepgaswells’hundred2meters2deepgiantthicknesscanfulfillthecombinationfromphysicalsepara2ted2layertostressseparated2layer,enhancingthereservoirsproducingamountandevaluationquality.Weappliedtheleastprinciplestressprofile,adoptedfull2three2dimensionalfracturingtechnicaltosimu2latetheactualmorphologyoffracturingheightcanpreventthefracturepenetratetheupperandlowerre2strainingbarrier,andtheresultantdestructivestrataseries.Wehavealsooptimizetheengineeringpa2rameters,determinedtheoperatingsize,enhancedthefracturepropavailable,makingtheoilproducing321AbstractsJournalofDaqingPetroleumInstituteVol.29No.2Apr.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.increasefrom0.017t/dofpre2fractureto3.911t/dofpost2fracture,andthesinglesuccessfulfracturingrateimprovedfromtheprevious55.8%tothepresent85.4%.Keyword:stressprofile;acousticlogging;hydraulicfracture;cracktypeTypesoftransportingpassageandoilandgastransportingcharacteristicsoffaults/2005,29(2):43-44YANGShu2hong(OilRecoveryPlantNo.6,DaqingOilfieldCorp.Ltd.,Daqing,Heilongjiang163114,China)Abstract:Throughtheanalysisofinteriorstructureanditscharacteristicsinfaultzone,thispaperdealswiththefactthattherearethreetransportingpassagesofspaces,fracturesandconnectedpores.Thetransportingoffaulttooilandgasisdividedintothreestagesoffastesttransporting,fastertransportingandslowtransporting.Fastesttransportingstageisactivityperiodoffaults,oilandgasinmixturephaseistransportedth