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页数:4页
时间:2019-05-15
《ZH8ESH5大位移水平井钻井技术》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第31卷第3期石油钻采工艺V01.31No.32009年6月OILDRILLING&PR0DUCT10NTECHN0L0GYJun.2009文章编号:1000—7393(2009)03—0014—04ZH8Es—H5大位移水平井钻井技术冯光彬唐世忠蔺玉水王宇(1.大港油田公司井筒工程处,天津300280;2.大港油田公司采油工艺研究院,天津300280:3.渤海钻探工程公司科技处,天津300280;4.大港油田公司原油集输公司,天津300280)摘要:大港油田滩海地区2007年进入实质性开发,受地面条件的限制,为实现滩海油田
2、少井高产、高效开发,采用了人工端岛丛式井为主的海油陆采方式,近两年来打出了诸多高水平的大位移水平井(最高位移垂深比3.92)。文中介绍了ZH8Es.H5大位移水平井实施过程中井身结构和井眼轨迹优化、摩阻扭矩预测与控制、井眼轨迹精确控制、保持井壁稳定及井眼清洁、大井斜长稳斜井段套管下入、环空ECD监测、井眼防碰、优质钻井液应用等多项先进技术或措施,对大位移水平井的设计、施工具有较高的借鉴意义。关键词:大港油田;大位移水平井;钻井;轨迹控制;摩阻扭矩中图分类号:TE243文献标识码:ADrillingtechnologyforZ
3、huanghai8Es-H5extended—reachhorizontalwellFENGGuangbin,TANGShizh0ng,LINYushuwG(1.Wellbore—EngineeringDepartment,PetroChinaDagangOilfieldCompany,Tianjin300280,China;2.DagangOi批ldOilProductionTechnologyInstitute,Tianjin300280,China;3.Science&TechnologyDepartmentofBoh
4、aiDrillingEngineeringCo.,Ltd.,Tianjin300280,China;4.CrudeOilGatheringandTransferringCompany,PetroChinaDagangOitileCompany,7~anjin300280,China)Abstract:ThebeachofDagangOilfieldhasenteredintoasubstantialstageofdevelopmentsince2007.Beingsubjecttosurfaceconditions,thed
5、rilling-cluster-wells—on-artificial-islandmethodisadoptedtodevelopshallow-wateroilfieldinordertoachievehigheficiencyexploitation.Duringtherecenttwoyears,alotofadvancedextended-reachhorizontalwellshavebeendrilled(themaximumratioofdisplacementtoverticaldepthis3.92).T
6、akingZhuanghai8Es—H5wellasanexample,theadvancedtechniquesandmeasurestakenintheplanninganddrillingphasesareintroducedinthispaper,includingoptimizationofwellstructureandwellpath,predictionandcontroloftorqueanddrag,accuratecontrolofwelltrajectory,holestabilizingandcle
7、aning,runningcasinginlongholdsectionwithbiginclination,monitoringofECD(equivalentcirculatingdensity)inannulus,holeanti—collision,applicationofhighqualitydrillingfluid.Thesetechniquesoffersignificantreferenceforplanninganddrillingofextended-reachhorizontalwells.Keyw
8、ords:DagangOilfield;extended—reachhorizontalwell;drilling;trajectorycontrol;torqueanddragZH8Es.H5井位于大港油田滩海关家堡开发区粉细砂岩、细砂岩、萤光细砂岩,馆陶组为浅灰色砂庄海8背斜庄海8井区
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