"连续管+柔性钻具"超短半径水平井钻井技术研究与现场试验

TE243+.1; 超短半径水平井在油气田老井改造、剩余油挖潜方面作用很大,但常用的柔性钻具超短半径水平井钻井技术存在起下钻周期长、作业成本高的问题.考虑连续管钻井具有钻井效率高、成本低和安全可靠等优点,提出了将连续管与柔性钻具相结合的钻井新思路,并研制了高速和低速大扭矩螺杆、改进了柔性钻具结构、研制了叠加式斜向器和造斜PDC钻头等关键工具,优化了配套施工工艺,初步形成了"连续管+柔性钻具"超短半径水平井钻井技术.该技术在江汉油田陵72-5CZ井开展了首次现场试验,成功完成了长30.21 m的超短半径水平分支井眼,平均机械钻速0.8 m/h,实钻井眼轨迹与设计井眼轨道吻合良...

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Published in石油钻探技术 Vol. 50; no. 6; pp. 56 - 63
Main Authors 武晓光, 黄中伟, 李根生, 史怀忠, 刘寿军, 刘鑫
Format Journal Article
LanguageChinese
Published 油气资源与探测国家重点实验室(中国石油大学(北京)),北京102249%中石油江汉机械研究所有限公司,湖北荆州434000 01.11.2022
Subjects
超短半径水平井
连续管
柔性钻具
陵72-5CZ井
开窗侧钻
现场试验
Online AccessGet full text
ISSN1001-0890
DOI10.11911/syztjs.2022119

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Abstract TE243+.1; 超短半径水平井在油气田老井改造、剩余油挖潜方面作用很大,但常用的柔性钻具超短半径水平井钻井技术存在起下钻周期长、作业成本高的问题.考虑连续管钻井具有钻井效率高、成本低和安全可靠等优点,提出了将连续管与柔性钻具相结合的钻井新思路,并研制了高速和低速大扭矩螺杆、改进了柔性钻具结构、研制了叠加式斜向器和造斜PDC钻头等关键工具,优化了配套施工工艺,初步形成了"连续管+柔性钻具"超短半径水平井钻井技术.该技术在江汉油田陵72-5CZ井开展了首次现场试验,成功完成了长30.21 m的超短半径水平分支井眼,平均机械钻速0.8 m/h,实钻井眼轨迹与设计井眼轨道吻合良好,水平段平均稳斜角为88.17°.现场试验结果验证了"连续管+柔性钻具"超短半径水平井钻井技术的可行性,为剩余油挖潜和低渗油田高效开发提供了一项新技术.
AbstractList TE243+.1; 超短半径水平井在油气田老井改造、剩余油挖潜方面作用很大,但常用的柔性钻具超短半径水平井钻井技术存在起下钻周期长、作业成本高的问题.考虑连续管钻井具有钻井效率高、成本低和安全可靠等优点,提出了将连续管与柔性钻具相结合的钻井新思路,并研制了高速和低速大扭矩螺杆、改进了柔性钻具结构、研制了叠加式斜向器和造斜PDC钻头等关键工具,优化了配套施工工艺,初步形成了"连续管+柔性钻具"超短半径水平井钻井技术.该技术在江汉油田陵72-5CZ井开展了首次现场试验,成功完成了长30.21 m的超短半径水平分支井眼,平均机械钻速0.8 m/h,实钻井眼轨迹与设计井眼轨道吻合良好,水平段平均稳斜角为88.17°.现场试验结果验证了"连续管+柔性钻具"超短半径水平井钻井技术的可行性,为剩余油挖潜和低渗油田高效开发提供了一项新技术.
Author 刘鑫
武晓光
黄中伟
刘寿军
李根生
史怀忠
AuthorAffiliation 油气资源与探测国家重点实验室(中国石油大学(北京)),北京102249%中石油江汉机械研究所有限公司,湖北荆州434000
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Author_FL SHI Huaizhong
LI Gensheng
LIU Shoujun
LIU Xin
WU Xiaoguang
HUANG Zhongwei
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Keywords 超短半径水平井
连续管
柔性钻具
陵72-5CZ井
开窗侧钻
现场试验
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Snippet TE243+.1; 超短半径水平井在油气田老井改造、剩余油挖潜方面作用很大,但常用的柔性钻具超短半径水平井钻井技术存在起下钻周期长、作业成本高的问题.考虑连续管钻井具有钻井...
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Title "连续管+柔性钻具"超短半径水平井钻井技术研究与现场试验
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