牙轮钻头强化主动保径结构的研究-X

:1000-2634(2003)04-0077-04X,,(,430074):,,,:;;;:TE921.1:A,,[1],[2],,,,[3],,,,,,,,,,,,,,,11.1,,,GT,,,[4]GT,GT,[5]HardRok,,,254Vol.25No.420038JournalofSouthwestPetroleumInstituteAug2003X:2002-09-16:(1969-),(),,,,UltraMAX,,,,,:(1)GT(2),,,(3),,,Tru2cut,,,GT,,Reed,ReedGageGuard,Smith,,US4694918,US5887580,US6290008HughesReedSecurity,,,1.21994,,,1999,,,,,90%,,[6],1996T,,TT,,,,22.1181/2,,Z1=37,Z2=9,B1=10mmB2=9mmD=215.9mm,:S=(D/2)2-(D/2-B)2S1=6468.5mm2,S2=5284.5mm2;S1S2=1.22,Z1Z2=4.11,2.2,,,:,,,,,872003,81/2HQ43781/2,212,,;,;3200181/2HQ437381/2HQ43733.181/2HQ4375,2001515,20%,,,3.281/2HQ437,,2,,200103215.3%,22%2001033,,3.381/2HQ437,20%,974:,1/m/m/m/h/(m/h)/kN/rpm2001030572271390195256244.512.6315014020010295722719522337385705.51501402001031570651417.21742.5325.3526.262201102001032572542359252816957.52.9415011020010335022072.62198.7126.164.421.96180672/m/h/(m/h)/%/%/%81/2HQ43756244.512.6389.860.618.1296.0827.710.6981/2HQ437355.15615.82110.657.533.8168.638.734.3581/2HQ437147.5560.962.429.915.7-5.1134.2552.72.5581/2HQ437(2001003)12664.421.96-6.122.2-23.181/2HQ437(2001032)16957.52.9425.99.115.34,,,,,,,,:[1]Maggie.Newbitsdrillfaster,cheaper,better[J].TheAmericanOil&GasReporter,1998,41(4):79-81.[2]TurnerEC.Fieldspecificanalysisreinforcesroleofbittechnologyinimprovingoveralldrillingeconomics[C].SPE/IADCDrillingConference,SPE/IADC37642:1997,559566.[3],.[J].,1994,17(3):17.[4]Pessier,RudolfCO,Scott,etal.Earth2boringbitwithimprovedcuttingstructure[P].UnitedStates:5542485,1996.[5]RudolfCO,Pessier,RobertEGrimes,etal.Rollingconebitswithgaugecuttingstructuredrillfaster,moreefficiently[C].TheSPEAnnualTechnicalConference&Exhibition,SPE30473:1995,241250.[6],,.[J].,1999,21(1):5962.()082003TANGBo(SouthwestPetroleumInstitute,NanchongSichuan637001,China),YANGLong,LIANZhang2hua,etal.JOURNALOFSOUTHWESTPETROLEUMINSTI2TUTE,VOL.25,NO.4,69-72,2003(ISSN1000-2634,INCHINESE)Thefiniteelementmechanicalmodelofperforatedcasingwasestablishedinthepaper.Undertheoutpressurecondition,theFiniteElementAnalysis(FEA)ofStressConcentrationCo2efficient(SCC)inperforatedcasingwasstudiedwiththediffer2entperforatingdiameter,shotdensityandphasing.Theobjec2tiveistodiscusstheeffectsofSCCandcollapsestrengthofper2foratedcasingintheelastoplasticrange.ItprovidedthedetaildatafortheeffectsofSCCandcollapsestrength,andpresentedtheoptimizeschemeforperforating.Keywords:casing;perforating;stressconcentrationcoef2ficient;collapsestrength;FEMTHEEXPERIMENTALSTUDYTOSTRENGTHENTHEGEAR2RIMOFDISKBITBYSINTERINGMETALLURGYBLENDERTOFIXTEETHHUANGZhi2qiang(SouthwestPetroleumInstitute,Nan2chongSichuan637001,China),LIUQing2you,GUOZhao2hai,etal.JOURNALOFSOUTHWESTPETROLEUMIN2STITUTE,VOL.25,NO.4,73-76,2003(ISSN1000-2634,INCHINESE)Basedonanalyzingthefailuremechanismofthegear2rimofdiskbit,thestrengthenedmethodsoftheantifrictionalloyweldedonthesurfaceofthegear2rimandhard2alloygear2rimin2layed.Byexperimentalstudyandcontractiveanalysis,thediskbitisstrengthenedthroughinlayinggear2rimofhardalloy,itwasdeterminedtousesinteringmetallurgyblendertofixteethforthestrengtheneddiskbitinlayinggear2rimofhardalloy.Becausetheresultoffurtherexperimentalstudyshowthatthecombinedsituationofgear2rimandbitisverygood.Afterbeingsintered,thehardnessofthegear2rimofhardalloy,theabilityofantifrictionofabrasionandimpactattritionofabrasionwasimproved.Itisavailablethatdiskbitisstrengthenedthroughinlayinggear2rimofhardalloybymeansofsinteringmetallurgyblendertofixteeth.Keywords:diskbit;gear2rim;strengthen;experimentalstudyRESEARCHONTHEENHANCEDACTIVEGAGEPRO2TECTIONROLLERCONEBITSCHENZhi2hua(HuazhongUniversityofScienceandTech2nology,WuhanHubei430074,China),ZHANGFu2run,YANGChu2min.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.25,NO.4,77-80,2003(ISSN1000-2634,INCHINESE)Basedonanalysisofgaugewearandcuttingstructureofconventionalbitsandresearchofgaugestructureofbits,ade2signschemethatenhancesthefunctionofactivegageprotectionofrollerconebitsisdisclosed.Design,trialproductionandfieldtestoftherollerconebitsthatstrengthenedthefunctionofac2tivegageprotectionwerefulfilledaccordingtotheresultofthestudy.Thefieldtestresultsindicatedthatthetechnologyofen2hancedactivegageprotectioncanincreasetheROPoftherollerconebits.Keywords:rollerconebit;activegaugestructure;Design;fieldtestCONFIGURATIONSOFDRILLINGSTRINGSTABILIZERLURui2dian(SouthwestPetroleumInstitute,NanchongSichuan637001,China),XIAOXiao2hua,HELin,etal.JOURNALOFSOUTHWESTPETROLEUMINSTITUTE,VOL.25,NO.4,81-84,2003(ISSN1000-2634,INCHI2NESE)StabilizerisanimportantcomponentinBHAofholedevia2tioncontrol.Uptonow,theconventionalandnonadjustablestabilizershavebeenstillusedwidelyinthemanydrillingopera2tions.Theinformationofthistypestabilizeristoolittletore2flexdesignofallthestabilizers.However,theAmericanstabi2lizerhasthevariedstyleandtheplentifulinformation,especial2ly,thereismuchreferenceworthintheirintegrationconstruc2tionandtheestyleofstabilizedsection.Throughtheinforma2tionofdrillingstringstabilizerfromUSAhasbeensortedandsynthesized,theirdesigntypesandconfigurationsofstabilizedsectionweredescribedinthepaperindeta