机械 射流破岩耦合特性研究

:2005-08-20:(90210022):,,:(610500),:[phone],E-mail:xiongtang2002@yahoo1,1,2,1,3,1,4,4(1234)..,2006;29(1):3336:,,,,:,,40%,20%:;;;;;:TE22:A:1006-768X(2006)01-0033-04,,,,,,()1.,,,,(),,,Terzagni[1]t=+(1-)(1):t(),MPa;,MPa;,%;(),MPa2.(1),()(2)(),,,,,(3),,,,3.,,,[2]:V=1311275162A60B11026Ce1.15DWANBHEICeDHW(2):Vt,m/h;A,;33291Vol.29No.1DRILLING&PRODUCTIONTECHNOLOGY©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3]12.(1),,,,n,,u(3)[4][5]:u=do(1-e-nKn)(3):do;n;Kn(2),Kf:Kf=gd212(4):g;;d(3)(1,2,3),2,1,3,P3,2,,HOOK=(1+3)(poission),P,2,,,,,P3,n:n=2+(1+3)-P(5):Kf=g12do3exp-3[2+(1+3)-P]Kn(6)3.()(),,,,,,3.1,,,,[6]:,cos=sin/2,=60,,:p=0192p(c2)1/2(7):p;c(7),,,,,=60p,,,(),3.2,,,,,43DRILLING&PRODUCTIONTECHNOLOGY20061Jan.2006©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()(),,1.,,:(1)Pb620MPa;(2)03mm;(3)15s;(4)11/mh-1/MPa/MPa/MPa/104MPa//%/10-3m20.72633.447102.683.50.600.04011.590.450.190105.0011705.931.595.900.1851.470.012.,:(1)();(2)();(3)();(4)();(5)3.,V,2323:23(1),;,(2),;,(3),40%,20%[7][8],,,,,,,53291Vol.29No.1DRILLING&PRODUCTIONTECHNOLOGY©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,(2),(3),,,42%,25%[1],.[J].,2002;21(10):1551-1553.[2](),()[M].:,1990.[3],.[M].:,2004.[4].[M].:,1989.[5],.[J].(E),1999,29(1).[6],.[J].,2004,24(3).[7],.[J].,1994,24(3).[8],.[J]1,2002,22(2).(:)(28)LWD:PM+DGR+SLD+EWR+CNP+PULSER+BAT+ACAL:;;;;;;:;PDC;AGS;;;;;,,;,,,,D8h,,,,,AGSLWD,1-1107d(1)CompassWellplan(2)AGS(3)LWD(4),[1],.[M].,1983.[2].[M].,1994.[3][]T.A.,,.[M].,1995.(:)63DRILLING&PRODUCTIONTECHNOLOGY20061Jan.2006©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:Luojiazhaireservoir,highsourformation,hori2zontalwell,wellcompletionLEIZhenzhong(seniorengineer),bornin1965,graduat2edfromOilReservoirSpecialistofSouthwestPetroleumInstitutein1989.Hehasbeenengagedintheresearchongasproduction.Add:Guanghan618300,Sichuan,ChinaTel:[phone]RESEARCHONTHECOUPLINGCHARACTERIS2TICOFMECHANICS-JETTINGROCKCUTTINGXONGJiyou,XUELiang,ZHOUPenggao,ZHONGShuiqing(NationalKeyLaboratoryforOilandGasReservoirGeologyExploitationEngineeringSouthwestPetroleumInsti2tute),XUEChenggang(KANGFEIPetroleumCo.Ltd,(Chi2na)),MIGuangyong,DENGGuangdong(NorthwestGasFiled,SouthwestOilandGasCo.),YANGLingrui(SichuanPetroleumAdministration),DPT29(1),2006:3336Abstract:Themechanical-jettingrockcuttingmethodisthemainmethodofrockcuttingincontemporaryrotarydrilling.Itisprovedbytheoryandpracticesthattheassistedjettingrockcut2tingistheimportantmethodofimprovingthedrillingrockcuttingefficiency,buttheresearchonitscouplingislittle.Basedonthecouplingtheoryanalysisofthefiltrationandstressfield,thispa2perintroducestheexperimentalresearchonthecouplingcharac2teristicofmechanical-jettingrockcutting.Theexperimentalre2sultshowsthatthefunctionofjettingpressureandwaterjetplayanimportantroleonthefiltrationandstressfield,andtherockcuttingefficiencythathasbeenimprovedincouplingfunctionisfurthermorethannon-couplingfunction.Undertheexperimen2talcondition,thecouplingfunctioninsandismorethan40%,andwhichinlimestoneismorethan20%.Keywords:oilandgasdrilling,mechanics,waterjetting,rockcutting,experimentXIONGJiyou(professor),isalwaysengagedinteachingandresearchonoil&gasengineering,rockmechanicsetc.Add:XinduDistrict,Chendu610500,Sichuan,ChinaTel:[phone]E-mail:xiongtang2002@yahooDRILLINGTECHNOLOGYINVARIOUSCOMPLEXCONDITIONSINTIESHANWELL22ZHENGShuquan,WANGShishuiandXULibo(EastSichuanDrillingCo.,SichuanPetroleumAdministration),DPT29(1),2006:3738Abstract:When244.5mmcasingwassetat1154.42minTieshanwell22,215.9mmholeintervalisover3000m,thepres2surecoefficientisstaticwaterpressureandlower,thelowestfor2mationpressurecoefficientis0.553.Thewaterlayer,gaslayerandlosszoneareinthesameborehole,thedrillingoperationisverydifficult.Whenthewellisdrilledto4224m,waterproduc2tion,overflow,lostcirculation,drillpipestickingect.areoc2cured.Throughanalyzingtheboreholeconditionthoroughlyandapplyingrationaldrillingtechnology,thewellisdrilledto4224msuccessfully.Keywords:drillingtechnology,geologicsetting,complex&accidenttreatment,prevention,Tieshanwell22ZHENGShuquan(seniorengineer):bornin1961,ChiefengineerofEasternSichuanDrillingCo.,isalwaysengagedindrillingtechnologymanagementAdd:Dashiba,JiangbeiDis2trict,Chongqing400021,ChinaTel:023-67328590E-mail:[e-mail]&APPLICATIONOFHYDRAULICFRAC2TURINGTECHNOLOGYFORTHESUININGGASRESERVOIROFLUODAIGASFIELDINWESTSICHUANZHANGChaoju(OilandGasWellTestingCenterof