南堡23—平2009井精细控压钻井技术

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英文篇名：PRECISE MANAGED PRESSURE DRILLING TECHNOLOGY OF WELL NP23-P2009 作者：汪浩源 ; 杨景中 ; 孙海芳 ; 马海云 ; 白良杰 ; 杨勇 ; 刘鹏 英文作者：WANG Haoyuan1, YANG Jingzhong1, SUN Haifang2, MA Haiyun1, BAI Liangjie1, YANG Yong1 and LIU Peng1(1.Petrochina Jidong Oilfield Engineering Supervision Center; 2. CCDC Drilling & Production Engineering Technology Research Institute) 关键词：精细控压钻井 ; 裂缝油藏 ; 控压系统 英文关键词：precise managed pressure drilling, fractured hydrocarbon reservoir, managed pressure system 中文刊名：ZCGY 英文刊名：Drilling & Production Technology 机构：冀东油田工程监督中心;川庆钻探公司钻采工程技术研究院; 出版日期：2013-01-25 出版单位：钻采工艺 年：2013 期：v.36;No.172 语种：中文; 页：ZCGY201301007 页数：4 CN：01 ISSN：51-1177/TE 分类号：7+20-22

摘要

南堡2号构造潜山奥陶系储层属于典型的压力敏感储层,密度窗口窄,钻井过程存在喷漏同存,井漏严重,难以钻达设计完钻井深等难点。针对这一难题冀东油田首次引进精细控压钻井技术,在奥陶系潜山成功应用该技术,解决了裂缝性油藏"窄密度窗口"问题。文章介绍了南堡2号构造奥陶系钻井难点、精细控压钻井系统组成及工作原理、实施技术及在南堡23-平2009井的应用情况。该技术的成功应用,为开发南堡潜山裂缝性油藏提供了技术借鉴、积累了宝贵的实践经验。
        The No.2 structure of NP buried-hills Ordovician layer is a typical pressure-sensitive layer with narrow density window. The drilling process in this kind of layer has the following difficulties:simultaneous well blowing and leakage;serious lost circulation;hard to reach the designed well depth, etc. Aimed at this situation, Jidong Oil Field introduced precise managed pressure drilling technology for the first time, and successfully applied it in buried-hills Ordovician layer to solve problems such as "Narrow density window"of fractured oil reservoir. This article introduced the drilling difficulties of No.2 structure buried-hills Ordovician layer, the system composition and working principle of precise managed pressure drilling, and application status in well NP 23-2009. The successful application of such technology provided technical reference and gained valuable practice experience for developing NP buried-hills fractured oil reservoir.

引文

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