哈里伯顿垂直钻井系统.ppt

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1、V-Pilot™VerticalDrillingSystem垂直钻井系统SperryDrillingServicesSeptember2008JiuSijun酒思君ChinaDDTechnicalAdvisorV-Pilot垂直钻井系统1Whatisit?什么是垂直钻井系统4What’stheresults?使用效果2.Howdoesitworks?工作原理3WherehasSperryDrillingServicesusedit?应用情况5What’stheadvantagesforthisnewtechnology?V-Pilot的优势Atoolthatutili

2、zesgravitytodirectportingofhydraulicfluidstotheappropriatepad利用重力作用直接使流体推击相应的垫片Averticaldrillingsystemthatmaintainsverticalityontheflywithminimalintervention.最小干预的实时调整的一种垂直钻井系统Asimple,elegantsolutionthatavoidselectronics.简单而严密的无电子元件的解决方案Designedtoincreasereliabilityandtemperaturecapabil

3、ityinharshdrillingconditions恶劣钻井环境下改善工具的可靠性和抗温能力AtoolthatenablesfastdrillingwithhighWOBwhilstmaintainingverticality高钻压快速钻直的一种钻井工具Whatisit?什么是V-Pilot？V-PilotComponents组成部件TheV-Pilothastwosections.TheuppersectionisamodifiedGeoForceMotor.Thelowersectionistheverticaldrillingdevice.V-Pilot由两

4、部分组成，上部是改良的GeoForce马达，下部是垂直钻井部分Thetwopartsaredeliveredseparatelytotherigsiteandareeasilyconnectedbeforegoinginthehole.两部分分开运输到井场，下钻时直接连接Thelowersectionisahydro-mechanicdevice.下部是液压机械设备Themostimportantpartsare:重要部件包括：Pendulum大钟摆总成Valveassembly阀门总成Pads.垫片总成U-JointandPendulumAssemblyU型接头与大

5、钟摆总成ValveAssembly阀门总成PistonAssembly活塞总成VERTICALDRILLINGDEVICE垂直钻井设备部分HowitWorks工作原理TheGeoForcemotorispoweredbythedrillingfluidandit’sshaftrotationistransferredtotheshaftinthelowersection.GeoForce马达通过泥浆驱动将动力传递到下部的垂直钻井设备部分Theshaftrotationpowersupthehydraulicpumps.马达传动轴驱动垂直钻井设备的液压泵Thevalve

6、sinthevalveassemblyareactivatedbuythependulumwhenthewellisdeviatedfromthevertical.Deviationfromverticalaslowas0.2ºareenoughtoactivatethevalve.当产生井斜时，大钟摆系统激活阀门总成的阀门，产生侧向力，使钻具重新回到垂直状态。最小井斜0.2º时可以激活阀门。HowitWorks工作原理Whenone(ortwo)valveisopenedbythependulum,itallowsthehydraulicfluidtoactuate

7、one(ortwo)ofthe4pistonsintheoppositeside.当一个或两个阀门被大钟摆打开之后，水力流体激活反方向的4个活塞中一个或两个Thepistonsmaintainpressureagainsttheholewallforcingthebit(push-the-bit)todrilllaterallybringingthewellbacktovertical.Thepistonswillstayextendeduntilthewellreturnstotheverticalandthevalve(s)arenolonger