沧东凹陷致密油气藏水平井钻井关键技术
TE243+.1; 为了提高沧东凹陷致密油气藏长水平段水平井的钻井安全和效率,分析了地层特点及钻进中面临的摩阻扭矩大、井眼轨迹控制难度大、紫红色泥岩地层钻速低和石膏层污染钻井液等技术难点,进行了井身结构优化、井眼轨道设计和井眼轨迹控制方式优选、钻井设备及工具优选、钻井液体系优选和性能优化、提速提效技术措施选择及套管安全下入方式优选,形成了沧东凹陷致密油气藏水平井钻井关键技术.在GD1701H井和GD1702H井的现场试验表明,该钻井关键技术可以解决沧东凹陷致密油气藏水平井钻井存在的技术难题,满足安全高效钻井的需求.综合研究认为,沧东凹陷致密油气藏水平井钻井关键技术应用效果良好,可为该类油气藏水...
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Published in | 石油钻探技术 Vol. 47; no. 5; pp. 11 - 16 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
中国石油集团渤海钻探工程有限公司工程技术研究院,天津,300280%中国石油集团渤海钻探工程有限公司第一钻井分公司,天津,300280
01.09.2019
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Subjects | |
Online Access | Get full text |
ISSN | 1001-0890 |
DOI | 10.11911/syztjs.2019084 |
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Abstract | TE243+.1; 为了提高沧东凹陷致密油气藏长水平段水平井的钻井安全和效率,分析了地层特点及钻进中面临的摩阻扭矩大、井眼轨迹控制难度大、紫红色泥岩地层钻速低和石膏层污染钻井液等技术难点,进行了井身结构优化、井眼轨道设计和井眼轨迹控制方式优选、钻井设备及工具优选、钻井液体系优选和性能优化、提速提效技术措施选择及套管安全下入方式优选,形成了沧东凹陷致密油气藏水平井钻井关键技术.在GD1701H井和GD1702H井的现场试验表明,该钻井关键技术可以解决沧东凹陷致密油气藏水平井钻井存在的技术难题,满足安全高效钻井的需求.综合研究认为,沧东凹陷致密油气藏水平井钻井关键技术应用效果良好,可为该类油气藏水平井钻井提供技术支持,建议进行推广. |
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AbstractList | TE243+.1; 为了提高沧东凹陷致密油气藏长水平段水平井的钻井安全和效率,分析了地层特点及钻进中面临的摩阻扭矩大、井眼轨迹控制难度大、紫红色泥岩地层钻速低和石膏层污染钻井液等技术难点,进行了井身结构优化、井眼轨道设计和井眼轨迹控制方式优选、钻井设备及工具优选、钻井液体系优选和性能优化、提速提效技术措施选择及套管安全下入方式优选,形成了沧东凹陷致密油气藏水平井钻井关键技术.在GD1701H井和GD1702H井的现场试验表明,该钻井关键技术可以解决沧东凹陷致密油气藏水平井钻井存在的技术难题,满足安全高效钻井的需求.综合研究认为,沧东凹陷致密油气藏水平井钻井关键技术应用效果良好,可为该类油气藏水平井钻井提供技术支持,建议进行推广. |
Author | 汪鸿 郑永锋 柳鹤 陈鹏 王建龙 齐昌利 |
AuthorAffiliation | 中国石油集团渤海钻探工程有限公司工程技术研究院,天津,300280%中国石油集团渤海钻探工程有限公司第一钻井分公司,天津,300280 |
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Author_FL | QI Changli LIU He WANG Jianlong WANG Hong ZHENG Yongfeng CHEN Peng |
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DocumentTitle_FL | Key Technologies for Drilling Horizontal Wells in Tight Oil and Gas Reservoirs in the Cangdong Sag |
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Title | 沧东凹陷致密油气藏水平井钻井关键技术 |
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