矿业与水利工程河南科技HenanScienceandTechnology总第799期第5期2023年3月海上深水井表层优快钻井技术研究黄懿强陈彬严德张冠洪刘保波（中海石油（中国）有限公司深圳分公司，广东深圳518054）摘要：【目的目的】由于南海海洋环境恶劣，海上深水井表层钻井技术挑战大、作业难度高。深水井表层安全高效作业是深水井成功钻探的基础。【方法方法】为提高海上深水表层钻井作业效率、保证作业安全，基于技术调研、理论分析和作业实践，形成了深水一开导管喷射提速技术、深水二开钻井提速技术及深水浮式平台动力定位技术。【结果结果】在南海深水现场应用中取得了较好的实践效果，表层导管喷射时效和二开机械钻速逐步提高。【结论结论】技术研究成果解决了海上深水井表层作业难题，实现了表层优快钻井目的，为海上深水钻井提速增效积累了有益经验，具有推广应用价值。关键词：深水钻井；表层；低温；井身结构；导管喷射中图分类号：TE52文献标志码：A文章编号：1003-5168（2023）05-0069-04DOI：10.19968/j.cnki.hnkj.1003-5168.2023.05.014ResearchonOptimizedandFastDrillingTechnologyforSurfaceSectionofOffshoreDeepwaterWellsHUANGYiqiangCHENBinYANDeZHANGGuanhongLIUBaobo(ShenzhenBranchofCNOOCChinaLtd.,Shenzhen518054,China)Abstract:[Purposes]DuetotheharshmarineenvironmentintheSouthChinaSea,thesurfacedrillingtechnologyofoffshoredeepwellsischallenginganddifficulttooperate.Thesafeandefficientoperationofthesurfaceisthebasisforsuccessfuldrillingofdeepwells.[Methods]Inordertoimprovetheeffi⁃ciencyofoffshoredeepwatersurfacedrillingandensurethesafetyofoperation,basedontechnicalre⁃search,theoreticalanalysisandoperationpractice,thetechnologiesofjettingspeed-upofdeepwaterfirst-openconductor,speed-upofdeepwatersecond-opendrillinganddynamicpositioningofdeepwaterfloatingplatformwereformed.[Findings]ThefieldapplicationinthedeepwateroftheSouthChinaSeahasachievedgoodpracticalresults,andthejetagingofthesurfaceconductorandthepenetrationrateoftheseconddrillingmachinehavegraduallyincreased.[Conclusions]Thetechnicalresearchresultshavesolvedtheproblemofsurfaceoperationofoffshoredeepwaterwells,realizedthepurposeofsurfaceopti⁃malandfastdrilling,andaccumulatedusefulexperien...
