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环保型深水水基钻井液体系的研究 被引量:7

Study of the Environmental-protecting Water Based Mud in Application to Deep Water Drilling
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摘要 在深水作业时,低温高压的地质条件和狭窄的安全密度窗口给钻井工程带来了不小的困难。对于钻井液技术而言,更是面临着崭新的挑战,如低温高压下钻井液流变性增稠有可能导致增加井底压力控制的难度,钻遇地层气时容易形成水合物堵塞环空通道;特殊的地层压实条件要求钻井液体系具有更高的水化抑制能力以及大尺寸井眼和隔水管处的携砂问题等等。同时,海洋深水钻井对钻井液体系环境保护能力的要求更加严格。因此,在主要添加剂研究的基础上构建了一套环保型深水水基钻井液体系,通过性能评价,达到一定水深钻井作业的能力要求。 Low-temperature high-pressure and narrow safety window brought many challenges in deepwater operation.For drilling fluids,there are new challenges,such as thicken of rheology,bloking when drill in gas formation,higher inhabitation preventing clay swelling and carrying capacity between big wellbore and riser. In addition,stricter environmental investigation is required for deepwater drilling fluids.A water-based drilling fluid system is developed based on main additive which can access the requirement of deepwater drilling operation.
出处 《科学技术与工程》 2010年第32期7910-7914,7919,共6页 Science Technology and Engineering
基金 国家重大专项(2008ZX05026-001-04)资助
关键词 深水 流变性 水合物 生物毒性 deep water rheology gas hydrate biotoxicity
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参考文献4

  • 1Pettingill H S,Repsol Y P F,Weimer P.World-Wide Deepwater Exploration and Production:Past,Present and Future[].Offshore Technology Conference.2002
  • 2Watson P,Meize B,Catalin Aldea,Bil-ly Blackwell.Eastern Gulf of Mexico:Inhibitive Water-Based Drilling Fluid Sets Ultra-Deepwater Records[].SPE.2004
  • 3Alberto L,Rocha S,Junqueira P.et al.Overcoming deep and ultra deepwater drilling challenges[].Offshore Technology Conference.2003
  • 4Dalmazzone C,Herzhaft B,Rousseau L,P.Le Parlouer,D.Dalmazzone.Prediction of gas hydrates formation with DSC technique[].SPE.2003

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