威德福定向钻井技术

©2006Weatherford.Allrightsreserved.1钻井服务DrillingServicesExtremetoRoutine…定向钻井/随钻测量服务DIRECTIONALDRILLING/MWD/LWDServices©2006Weatherford.Allrightsreserved.FourheelsDriveVsSaloonCar•FourheelsDrive–专为艰难路况而设计,坚固有力–在普通路况下行驶的更平稳–安全，实用，可靠2Salooncar•华丽的功能:•MP4•Bluetooth•Spotlight•Keylessentry•6CD’schanger•ReverseSonar•Leatherseats•Woodgrainpanel©2006Weatherford.Allrightsreserved.RightEquipmentfortherightjob•4wheelsDrive使您走得更远探索的更深…..3….选错了车在复杂的路况下可能会带来意想不到的麻烦….©2006Weatherford.Allrightsreserved.Buildphilosophy工具设计制造的宗旨4Reliabilityandaccuracy追求性能可靠和数据精确：ReliabilityRealHT/HP,it’snotjustscreenedtoolHighLCMcapability-80lb/bblWideoperationalflowrangeTested“todestruction”duringdevelopmentRedundancyLargememorystorageLonglifesmartbatteriesANDtheresults……©2006Weatherford.Allrightsreserved.威德福工具的稳定性5工具平均故障间隔时间MTBF（小时)LWD5129RSS1200Motor120863031323334353637WFTMotorCompACompBROP(m/hr)Company威德福马达在渤海地区使用与其它公司对比WFTMotorCompACompB工具稳定性钻井时效性TwooftheworldtopdrillingPerformanceachievedin2009•1stROCThailand•3rdROCChina,Bohai©2006Weatherford.Allrightsreserved.威德福极限环境作业记录保持情况6HighestPressure最高压力:32,440psi(210MPa)LWDworldrecord随钻测井世界纪录GulfofMexico墨西哥湾Highesttemperature最高温:193°C(380°F)MWDworldrecord随钻测量世界纪录.NorthSea北海HighestDogleg最大狗腿:81°per30mLWDworldrecord随钻测井世界纪录SaudiArabia沙特DeepestTVD最大垂深:10,421m(34,189feet)IncludingdeepestLWDWorldrecord包括最深的随钻测井世界记录.100%datatransmission数据传输率100%GulfofMexico墨西哥湾©2006Weatherford.Allrightsreserved.7WFTintellectualpropertyindependentlyassessedasstrongestinOFSsectorOFSsectordominatesEnergy&Environmentaltechnology020040060080010001200TotalBPConocoPhillipsChevronSmithIntlBJServicesExxonMobilBakerHughesSchlumbergerHalliburtonRoyalDutchShellWeatherfordTechnologyStrength1Rank234567911132230WFTportfoliokeydifferentiators:QualityandquantityofpatentsFundamentalsciencestrengthPotentialindustryimpactSource:WallStreetJournal知识产权技术力量©2006Weatherford.Allrightsreserved.钻井服务部业务范围8•定向钻井•随钻测井、随钻测量•地质导向©2006Weatherford.Allrightsreserved.Drillingconsiderations钻井考虑事项T&D摩阻和扭矩Complexityofwellprofile(DLS)井眼剖面形状Rockstrength(junctioncollapse)岩性强度Drawdownpressure地层压力Qualityborehole井壁质量侧钻钻井考虑事项9©2006Weatherford.Allrightsreserved.10裸眼侧钻可回收斜向器裸眼侧钻主井眼钻进到油层深度在最深的侧钻点处安置裸起出并重新安置斜向器在较高位置的侧钻点眼斜向器长规裸眼侧钻以比较大的狗腿度钻井主井眼到油层井深起钻到设计侧钻点成功取决因素主井眼的垂深岩性压实程度©2006Weatherford.Allrightsreserved.CasedHoleSidetrack套管井侧钻11考虑因素Reservoirthickness油层厚度Completioncriteria完井限制Accesstomainboreand/orlateralwellbore进入主井眼和分支井眼DrillmainboretoT.D.inreservoir.Runcasingorlinerwithmultiplelatchcouplingsandwindowjoints.•Retrieveandre-setwhipstockatsidetrack(latchcoupling)intervalsupthewell.©2006Weatherford.Allrightsreserved.威德福的工具•目前已成熟的LWD探头种类有–伽马(HGAM)–方位伽马(HAGR)及成像–能谱方位伽马(SAGR)–多频电阻率(MFR)–超深电阻率(MFR+)–热中子孔隙度(TNP)–方位密度(NDT)–声波(SST)–工具内及环空压力、温度(BAP)–振动测量仪(ESM&TVM)–快速环空温度（RAT）–方位电阻率(AZ_MFR)12©2006Weatherford.Allrightsreserved.13LWD技术参数–额定温度高:180ºC-工作温度HELMWD,BAP,HAGR,MFR,TNP:180ºC；AZD:165ºC–额定压力高:30,000psi（207兆帕）–排量范围:130–2000gpmflowrate–堵漏剂容限:80lb/bbl.对电磁随钻测量系统没有限制–泥浆脉冲信号更强更稳定–智能电池提供动力，自动调节电力分配–4¾”LWD/MWD可通过61º/30m的狗腿©2006Weatherford.Allrightsreserved.MechanicalSpecificationsMaximumOD5-1/4in.Length(HELSystem)25.2ftWeight1,400lbTopconnection3-1/2IFboxBottomconnection3-1/2IFpinMake-uptorque9,900to10,900ft-lbMaximumtorque16,700ft-lbMaximumtension528,000lbBendingstrengthratio2:10Maximumdoglegseverity,rotating20°/100ftMaximumdoglegseverity,sliding36°/100ftEquivalentbendingstiffness(ODxID)4.75in.×143.22in.Maximumoperatingtemperature356°F(180°C)Maximumoperatingpressure30,000psi(207MPa)Maximumflowrate400gal/minMaximumsandcontent2%HEL™hostile-environmentloggingPlatformforWeatherford’sLWD,measurement-while-drilling(MWD),anddirectionaldrillingtechnologies14Fromroutinetoextreme©2006Weatherford.Allrightsreserved.15VibrationManagementwithLWD•Tri-axial:–x,y,z0-25gPeakandAverage–x,y,z0-200gPeakandAverage•TrueRPMatbit–Min,MaxandAverageRPM–Counterclockwiserotation•Shockcount&severityInformClientimmediately,toolwillbegintobedamagedafter5cumulativeminutesofseveredamage.Immediateattemptstomitigatevibrationshouldbetaken.Over15Over50Over11Over80SEVEREInformClientandcoordinator,Tooldamagewilloccurafter15cumulativeminutesofhighvibration.9-1530-508-1151-80HIGHInformClient,Tooldamagecanoccurafter30cumulativeminutesofmediumvibration.4-8N/A4-731-50MEDIUMMonitor,Considerednormaldrillingconditions.0-3N/A0-30-30LOWResponseShockCountAvg30G’sRMSG’sPeakG’sShockLevelInformClientimmediately,toolwillbegintobedamagedafter5cumulativeminutesofseveredamage.Immediateattemptstomitigatevibrationshouldbetaken.Over15Over50Over11Over80SEVEREInformClientandcoordinator,Tooldamagewilloccurafter15cumulativeminutesofhighvibration.9-1530-508-1151-80HIGHInformClient,Tooldamagecanoccurafter30cumulativeminutesofmediumvibration.4-8N/A4-731-50MEDIUMMonitor,Considerednormaldrillingconditions.0-3N/A0-30-30LOWResponseShockCountAvg30G’sRMSG’sPeakG’sShockLevel©2006Weatherford.Allrightsreserved.SAGR™spectralazimuthalgammaray能谱方位伽马•工业内唯一一家能提供能谱方位伽马随钻测量技术•Gammaraycounts~50Xgreaterthanstandardgammaraytools•