斯倫貝謝連續(xù)油管高溫高壓作業(yè)分析SLBHPHTCaseHistories第一頁(yè)，共26頁(yè)。CoiledTubingChinaBriefOrganization連續(xù)油管中國(guó)的簡(jiǎn)要構(gòu)成HPHTCTOperationIntroduction高溫高壓連續(xù)油管作業(yè)介紹HPHTCoiledTubingDesignApproach

高壓高溫連續(xù)油管設(shè)計(jì)方案HPHTCoiledTubingEquipment高壓高溫連續(xù)油管設(shè)備HPHTCTCaseHistories高壓高溫連續(xù)油管案例分析OpenDiscussion討論2第二頁(yè)，共26頁(yè)。3第三頁(yè)，共26頁(yè)。WhatisdifferencebetweenHPHTCoiledTubingoperationandstandardCToperation?

普通連續(xù)油管作業(yè)跟高溫高壓作業(yè)有什么區(qū)別？WhatarethespecificissueswithHPHToperations?高溫高壓作業(yè)的特殊點(diǎn)是什么？4第四頁(yè)，共26頁(yè)。

PF

EffectofWellHeadPressuretoCTPerformance井口壓力對(duì)連續(xù)油管作業(yè)的影響

IfFaxial>>Fbuckling5第五頁(yè)，共26頁(yè)。EffectofCirculatingPressure&HighTensiontoCTPerformance循環(huán)壓力和連續(xù)油管張力對(duì)連續(xù)油管的影響HightensiononCT.連續(xù)油管上的高張力Highergripforce.較高的抓緊力Highcirculatingpressureincreasetheradialstress.高循環(huán)壓力會(huì)增加徑向力GrowOD,reduceWT,reducecollapsepressure.增加外徑，減少壁厚，減小坍塌壓力SignificantreductionofCTcyclelimit.顯著減少連續(xù)油管的彎曲的極限6第六頁(yè)，共26頁(yè)。CoiledTubingEquipmentshould:連續(xù)油管設(shè)備應(yīng)該：Beabletoperformpush/pullCTinhighpressurewell有能力在高壓井內(nèi)上提和下放連續(xù)油管Hasredundantbarriers有后備的井控設(shè)備RealTimeMonitoringsystem實(shí)時(shí)的監(jiān)測(cè)系統(tǒng)等級(jí)1等級(jí)2等級(jí)3最高可能井口壓力0-35003501-85008501-13500等級(jí)壓力極限3500850013500井控設(shè)備最小壓力等級(jí)500010000150007第七頁(yè)，共26頁(yè)。HPHTCoiledTubingDesignApproach高壓高溫連續(xù)油管作業(yè)設(shè)計(jì)建議CurrentProceduresandStandardsinPlace有現(xiàn)行的標(biāo)準(zhǔn)S22SchlumbergerCoiledTubingSafetyStandards連續(xù)油管標(biāo)準(zhǔn)22SafetyStandards安全標(biāo)準(zhǔn)PressureTestingProcedures試壓步驟ContingencyProcedures應(yīng)急預(yù)案CoveringHPHTBestPractices高壓作業(yè)實(shí)用經(jīng)驗(yàn)UseofAnti-bucklingguide,使用導(dǎo)向管InjectorSecuringandSideLoads合適的捆綁FlangeMakeup法蘭連接標(biāo)準(zhǔn)CAT3OperationGuideline第八頁(yè)，共26頁(yè)。CurrentProceduresandStandardsinPlacecont.現(xiàn)行標(biāo)準(zhǔn)（繼續(xù)）CoiledTubingJRIReview作業(yè)風(fēng)險(xiǎn)評(píng)估HPHTCoiledTubingDesignApproach高壓高溫連續(xù)油管作業(yè)設(shè)計(jì)建議第九頁(yè)，共26頁(yè)。ApproachtoWellControl井控建議DefiningPressureEnvelopeforOperationsandContingencies定義作業(yè)和應(yīng)急預(yù)案壓力范圍MaximumOperatingPressure(MOP),currentpracticeistosetto13,500psi最高許可工作壓力13500psiMaximumWellControlPressure(MWCP),whichis15,000psi最高井控壓力15000psiMaximumPotentialWellHeadPressure(MPWHP),netpressureatthesurface最高井口壓力Thisisthenetpressureatsurface(MPWHP=ReservoirPressure–Hydrostatic)PressureTest1(PT1),testingpump,lines,wellcontrolbodytest,15,000psi試壓-1PressureTest2(PT2),testingreel,coiledtubing,stripper,rams,checkvalves,12,500psi試壓-2HPHTCoiledTubingDesignApproach高壓高溫連續(xù)油管作業(yè)設(shè)計(jì)建議第十頁(yè)，共26頁(yè)。OtherHPHTConsiderations其他高壓高溫作業(yè)建議ContingencyProceduresshouldbeinplaceforallthepossiblesideoperations所有作業(yè)要有應(yīng)急預(yù)案WellKillFluidshouldbeavailable最好有壓井液在現(xiàn)場(chǎng)InterfacewithChromeProductionTubing/Liner–possiblelubricants/completiondesign

在含鉻井筒注意對(duì)連續(xù)油管的磨損HPHTExperiencedPersonnel有高壓高溫作業(yè)經(jīng)驗(yàn)的人員FlangeConnectionsandmonitoringproceduresshouldbeinplace注意法蘭連接方式Lubricationsystemsforexcessivefrictioninthewell井下有多磨損事要保證潤(rùn)滑Stackuptestshouldbeperformedforanyoperationsdueto所有的作業(yè)壓力設(shè)備要按標(biāo)準(zhǔn)試壓StandaloneOperations單獨(dú)作業(yè)LackofSpaceinsidetheLiftingFrameorRig深水CTLF或者鉆井機(jī)上BHAdeploymentwindowespeciallyforE-LineOperationsforFloaters半潛平臺(tái)作業(yè)InjectorSupportPlatform注入頭支撐平臺(tái)HPHTCoiledTubingDesignApproach高壓高溫連續(xù)油管作業(yè)設(shè)計(jì)建議第十一頁(yè)，共26頁(yè)。Hardware硬件CoiledTubingUnit連續(xù)油管設(shè)備SeparatePowerPack動(dòng)力源OpenLoop/HighPressure高壓液壓系統(tǒng)Real-timeDataRecording/Monitoring實(shí)時(shí)數(shù)據(jù)采集CoiledTubingReel(DropinDrum)連續(xù)油管滾筒15kpsiSwivel15,000psi工作壓力旋轉(zhuǎn)頭27/8”6,000m(0.204”)StorageCapacity

可存放6,000米2-7/8英寸外徑連續(xù)油管12第十二頁(yè)，共26頁(yè)。HPHTCoiledTubingEquipment高壓高溫連續(xù)油管設(shè)備PressureControlStacks井控設(shè)備Primary初級(jí)Tandemstripper15K15,000psi防噴盒Secondary第二級(jí)QuadBOP四級(jí)防噴器Tertiary.地三級(jí)Shear/Seal剪切/密封閘板PipeSlip半封/抓緊閘板AllPCEmustberatedto15kforCAT3

三級(jí)井的所有井控設(shè)備都必須有15000psi的壓力等級(jí)第十三頁(yè)，共26頁(yè)。Hardware硬件WellControlEquipment壓力控制設(shè)備SideDoorStripper邊門防噴盒SideWinderStripper環(huán)形防噴盒HydraConnQuickUnion高壓快速接頭（選裝）CombiBOP復(fù)合式防噴器FlowCross四通Riser/GateValves防噴管/門閥103.4MPa(15kpsi)15000psi工作壓力H2S&CO2Service

防硫化氫和二氧化碳第十四頁(yè)，共26頁(yè)。BHA井下工具Pressurerating15K壓力等級(jí)15000psiIf10KBHAisused,jobmustbereviewedandapprovedbytechnicalteam.

如果用的是10000psi壓力等級(jí)的井下工具，作業(yè)必須有技術(shù)團(tuán)隊(duì)的批準(zhǔn)SuitableforHToperation.適用于高溫作業(yè)Traceablecertifications可追蹤的證書RealTimeMonitoring實(shí)時(shí)監(jiān)測(cè)Workinglimit工作極限RemainingCTlife剩余的連續(xù)油管壽命OvalityoftheCT連續(xù)油管的橢圓度第十五頁(yè)，共26頁(yè)。HPHTCoiledTubingEquipment–cont.高溫高壓連續(xù)油管設(shè)備Availability:可用性SchlumbergerhasonesetofHPHTCTPackageinChina斯倫貝謝中國(guó)有一套高壓高溫設(shè)備Experiencedcrews(Supervisor/Operator)andEngineersavailableworldwide全球有許多高溫高壓作業(yè)專家ChinaSichuan中國(guó)四川AvailablefromSichuan(CompletesettorunCategory3HPHTOperation)

四川有一整套高壓高溫作業(yè)設(shè)備Openloophighpressure(4piece)HPHTCoiledTubingUnitx1一套高壓連續(xù)油管作業(yè)設(shè)備15KSideDoorStripperx215000psi工作壓力邊門防噴盒X215KSideWinderStripperx115000psi工作壓力環(huán)形防噴盒x115KCombiBOPx315000psi工作壓力復(fù)合式防噴器x315KQuadBOPx115000psi工作壓力4組合防噴器Anti-BucklingGuidex2(for2

‘’coiledtubing)防連續(xù)油管彎曲導(dǎo)向管1502IronRack(H2SService)x11502臨時(shí)管線1套

15KGateValvesandRisers15000psi工作壓力門閥和防噴管2’’15KpsiWPCoiledTubingstring（5800m）15000psi工作壓力連續(xù)油管（5800米）第十六頁(yè)，共26頁(yè)。GOM墨西哥灣Prev：15,140PsiTrev：152DegCMEA中東Prev：12,350PsiTrev：176DegCH2SEastVenezuela委內(nèi)瑞拉Prev：10,000PsiTrev：170DegCH2SNorthSea北海Prev：11,000PsiTrev：298DegCSichuan四川Prev：13500PsiTrev：132DegCGoMUltraHPHTCToperation：Prev：30,000psi，Trev：230DegC墨西哥灣超高壓高溫作業(yè)：儲(chǔ)層壓力30000psi，溫度：298攝氏度17第十七頁(yè)，共26頁(yè)。HPHToperationiscommonoperation

高溫高壓是常規(guī)作業(yè)Operations:Fluidswab.Stimulation

主要作業(yè)是頂替液體和酸化Welldepth:6,170mMD/5,200mTVD

井深6,170米/垂深5,200米R(shí)eservoirPressureandTemperature:15,140psi/152DegC

儲(chǔ)層壓力15，140psi/溫度152攝氏度CTString:1.5’’HS90CTstring(H2S);1.75’’HS110CTstring(noH2S)designedHPCTstring

1.5‘’HS90用于硫化氫環(huán)境和1.75‘’HS110連續(xù)油管有關(guān)于不含硫環(huán)境DownHoleTools:ConventionalNozzle,Jetblaster

工具：常規(guī)噴嘴和JetBlasterCATII:MPWHP3500-8500psiCATIII:MPWHP>=8501psi18第十八頁(yè)，共26頁(yè)。HPHTjobiscommonapplication高溫高壓作業(yè)是常規(guī)作業(yè)Operation:Cleanout/HydrateMilling作業(yè)：清砂/水合物磨銑50wells/year每年作業(yè)50口井作業(yè)量TheaveragedatafortheNorthMonagaswellsonEastVenezuelais委內(nèi)瑞拉東部莫納加斯油田平均數(shù)據(jù)Depth:5,400–6,700m井深：5,400-6,700米BHT:140–170degC井底溫度：140-170攝氏度BHP:>10,000psi井底壓力：大于10，00psiH2S:>100ppm硫化氫含量：大于100ppmCompletion:4?”or5?”productiontubingwith7”casingattheperforations,monoborecompletion套管完井3.5‘’或4.5‘’轉(zhuǎn)7‘’套管19第十九頁(yè)，共26頁(yè)。Operation:PostFraccleanout/Millingballandballseat/ShiftingSSD

作業(yè)：壓裂后清砂/磨銑球座/開關(guān)滑套Depth:5,500mMD/4,000mTVD井深：5,500米/垂深4,000mReservoirPressure:1,1000psi儲(chǔ)層壓力：1,1000psiTemperatureis298degC儲(chǔ)層溫度：298攝氏度Completion:5-1/2”P110S完井方式：5.5‘’套管完井CTstring:2‘’HS90HeavyWall連續(xù)油管：2‘’HS90厚壁20第二十頁(yè)，共26頁(yè)。Operations:Fluidswab.Stimulation，Milling,AbrasivePerforation

主要作業(yè)是頂替液體,酸化,磨銑橋塞，噴砂射孔Welldepth:5,200mMDVertical

垂直井深5,200米R(shí)eservoirPressureandTemperature:12,350psi/176DegC，H2S10-200ppm

儲(chǔ)層壓力12，350psi/溫度176攝氏度，硫化氫10-200ppmCTString:1.5’’HS90CTstring；2‘’HS90TapperCTString

1.5‘’HS90和2‘’HS90變徑連續(xù)油管（硫化氫環(huán)境）DownHoleTools:ConventionalNozzle,Jetblaster

工具：常規(guī)噴嘴，井下馬達(dá)，噴砂射孔工具，JetBlaster21第二十一頁(yè)，共26頁(yè)。Yang201PlugMillingShellUGSExploration殼牌非常規(guī)氣探測(cè)Operation：Cleanout/Milling/AbrasivePerforation

作業(yè)：清砂/磨銑橋塞/噴砂射孔WellDepth4,500mMD/3,500mTVD井深：4,500米/垂深3,500米R(shí)eservoirPressure/Temperature：13,500psi/130DegC儲(chǔ)層壓力。溫度：13,500psi/130攝氏度CTString：2‘’HS110HeavyWall

連續(xù)油管：2‘’HS110厚壁第二十二頁(yè)，共26頁(yè)。TD:>8550m井深超過8500米R(shí)eservoirPressure:30,000psi儲(chǔ)層壓力3000psiMPWHP:22,500psi最高可能井口壓力：22,500psiBHST:230DegC井底溫度：230攝氏度CTstring:1.75’’HS110heavywall1.75‘’HS110厚壁連續(xù)油管23第二十三頁(yè)，共26頁(yè)。Conclusion總結(jié)SchlumbergerhasdonemanyHPHTCoiledTubingOperationsworldwide。

斯倫貝謝在全球有很多的高壓高溫作業(yè)

ApplicationofLessonsLearnedtotheope