推靠式旋转导向井眼轨迹预测与控制方法_巩宪锋

1618201661671—18152016018-0020-05ScienceTechnologyandEngineeringVol.16No.18Jun．20162016Sci.Tech.Engrg.、100083。。。UPC。、、。TE21A2016224。。[e-mail]。rotarysteerablesystemＲSS、、、1。2—5。。1BHAＲSSAutoTrakＲSSPowerDrive67。BHAＲSS。1.1PQ8。1Fig.1Thediagramofsteeringparameters1FFωh。FPQF1=FcosωF2=Fsin{ω12PBHAFig.2BHAforceanalysisinplaneP2P1AB。C2FPFα=F1cosλ=Fcosωcosλ22λ=Ls/ＲLsＲP。FQFφ。1.23Fig.3Structureofthebottomboreholeassembly392PFαPαAα1011。Pα=FαL1－LSL1－Woby1L1+M1L1+q1sinαL1()23Aα=q1L3124E1I1Xμ1+M1L16E1I1Zμ1+FαL1－LsWobL1－Fαsink1L1－LsWobsink1L1－y1L14αWobq1y11y1=KL212±12D－Ds1KPM11。k1=WobE1I槡1E1I1μ1Xμ1Zμ1。FφPφAφ。。2、。BHAF=PaPpWobT。F。UPC1213。Ｒ=Ｒ1Ｒ2Ｒ3T=TF5T=IbIr1E+Ib1－IbA+Ir11－IbB+IbIr2－Ir1C+1－Ir11－IbAB+Ir2－Ir11－IbCB6IbIr1Ir2EACα、γ、φφf8ΔφΔφ=－fB。4Fig.4Bitforcediagram．4OXYZOXYZ。Ｒ1Ｒ2Ｒ3。Ｒ1Ｒ2Ｒ3。。4αφFωＲαＲφ。5Ｒ1Ｒ3。α'=α+arctanＲ1Ｒ()3712185PFig.5MechnicalanalysisonplaneP6。6QFig.6Mechnicalanalysisonhorizontalplaneφ'=φ+arctanＲ2()Ｒ'88Ｒ'=Ｒ3sinα+Ｒ1cosα97～9。。3BHA7α=10°φ=0°K=3°/30mWob=50kN1.25g/cm3Ib=0.75Ir1=Ir2=0.95γ=20°φf=300°F=10kN0°。。3.183°/30m7Fig.7BHAstructualparameters。“”。。8Fig.8Thesteeringforceindifferentwelltrajectory3.29、10ω=30°Ｒ1Ｒ2。BHAPα=5252NPφ=3968N。Ir1=Ir2=0.95＜114。9Fig.9ＲelationshipbetweenformationparametersandＲ1221610Fig.10ＲelationshipbetweenformationparametersandＲ290°＜Δφ＜180°。180°＜Δφ＜360°。。10Δφ=90°270°90°＜Δφ＜270°10。3.311。Ib15。。。11Fig.11Bitanisotropyanddrillingpressureeffectonthedeflectingcharacteristics3.41.2°/30m1250m38.1°104.15°。1。1。．1Table1Thesteeringparametersbaseonthewelltrajectory/m/°/°/N/N/°/N128036.91104.262421.2205.45174.672439.2131035.71104.392432.4208.84174.732454.0134034.51104.522443.6225.37175.032468.5137033.31104.652459.2213.83175.252488.8140032.12104.802480.3205.76174.632479.9143030.92104.962469.0231.67174.682539.2146029.72105.132528.3235.09174.652556.8149028.53105.312545.7237.97174.592547.1152027.33105.512535.8239.76174.392608.7155026.13105.722596.2254.93175.212622.441ＲSS“”。2。3。1．．20134171—6XueQilongDingQingshanHuangLeileietal．Thelatestprogressanddevelopmenttrendofrotarysteeringdrillingtechnology．ChinaPetroleumMachinery20134171—62HuangWLouYXuHetal．Forceandinfluencingfactorsanalysisforbottomholeassemblywithtwostabilizersandonebendresearchjournalofappliedsciences．EngineeringandTechnology20136203811—38143YangYX．Downholedrillingmechanicsanalysisbasedonclosed-looprotarysteerabledrillingsystem．AdvancedMaterialsＲesearch32182014919—9211290—12944．BHA．200634914—16FengChangqingPengYong．FiniteelementsimulationoflateralforceonBHAofrotarysteeringdrillingsystem．ChinaPetroleumMa-chinery200634914—165．．200028545—48ZhangJinshuangYuZhiqing．Analysisondeviationabilityofstaticcontrollablebiassteeringdrillingtool．PetroleumDrillingTechniques．200028545—486．．20033264—7SunMingxinHanLaijuLizuohui．Introductionofstaticbiaspush-the-bitrotarynaviyationalsystem．OilFieldEquipment20033264—77．．200432673—75ZhaoJinzhouSunMingxin．Analysisoftheworkingmodeoftherota-rysteeringdrillingsystem．ChinaPetroleumMachinery200432673—758．．198910260—66BaiJiazhiHuangHuizeLiuYushi．Three-dimensionalanalysisofbottomholeassemblybybeam-columntheory．ActaPetroleiSinica198910260—669PoliSDonatiFOppeltJetal．Advancedtoolsforadvancedwellsrotaryclosedloopdrillingsystem-resultsofprototypefieldtesting．SPEDrilling＆Completion19981367—7210．．199062—65BaiJiazhiSuYinao．Deviationcontrolindirectiondrilling．Bei-jingChinaPetroleumIndustryPress199062—6511．．201133512—15TangXueping．Non-uniformstiffnessbeam-columntheoryanditsapplication．MechanicsinEngineering201133512—1512．．19890523—28GaoDeliLiuXisheng．Newmodelofbitandformationinteraction．OilDrillingandProductionTechnology19890523—2813．．142005442—445XiXiaoningCaiZongxi．Calculationoftheeffectivedrillingforceforpredictionoftheobitofthewellbore．The14thNationalStructuralEngineeringConference．ChineseSocietyofTheoreticalandAppliedMechanicsYantai2005442—44514．．199011298—105GaoDeliLiuXisheng．Theeffectofanorthotropicformationonboreholedeviation．ActaPetroleiSinica199011298—10515PastusekPEBrackinVJLutesPJ．Afundamentalmodelforpre-dictionofholecurvatureandbuildrateswithsteerablebottomholeassemblies．SPEAnnualTechnicalConferenceandExhibition．Dal-lasTexasSocietyofPetroleumEngineers．2005SPE—95546—MSPredictandControlMethodofWellPathforPushtheBitＲSSGONGXian-fengHUANGXiang-yuSchoolofmechanicalengineeringUniversityofScience＆TechnologyBeijingBeijing100083P．Ｒ．ChinaAbstractＲotarysteerablesystemisthedevelopmentdirectionofmodernsteeringdrillingtechniquesitisoneofthekeytechnologiesoftherotarysteerabledrillingsystembyadjustingthesteeringparameterstopredictandcon-trolthewelltrajectory．TosolvetheproblemofwelltrajectorycontrolbyadjustingsteeringforceandtoolfaceangleforpushthebitＲSSthesteeringforceisdecoupledindeviationplaneandazimuthplanethe3Dmechanicalanal-ysisofthebottomboreholeassemblyiscarriedoutwiththebeam-columntheorythequantitativerelationshipbe-tweenthesteeringparametersandbitsideforceandangleisobtained．InconsiderationoftheanisotropyofthedrillbitandformationtheeffectivedrillingforcewhichisbasedontheUPCmodelcanbeusedtopredictthedrillingtendency．Basedonth