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长庆油田小井眼超长水平段水平井钻井技术

王忠良 周扬 文晓峰 龙斌 丁凡 陈邵维

王忠良, 周扬, 文晓峰, 龙斌, 丁凡, 陈邵维. 长庆油田小井眼超长水平段水平井钻井技术[J]. 石油钻探技术, 2021, 49(5): 14-18. doi: 10.11911/syztjs.2021060
引用本文: 王忠良, 周扬, 文晓峰, 龙斌, 丁凡, 陈邵维. 长庆油田小井眼超长水平段水平井钻井技术[J]. 石油钻探技术, 2021, 49(5): 14-18. doi: 10.11911/syztjs.2021060
WANG Zhongliang, ZHOU Yang, WEN Xiaofeng, LONG Bin, DING Fan, CHEN Shaowei. Drilling Technologies for Horizontal Wells with Ultra-Long Horizontal Section and Slim Hole in Changqing Oilfield[J]. Petroleum Drilling Techniques, 2021, 49(5): 14-18. doi: 10.11911/syztjs.2021060
Citation: WANG Zhongliang, ZHOU Yang, WEN Xiaofeng, LONG Bin, DING Fan, CHEN Shaowei. Drilling Technologies for Horizontal Wells with Ultra-Long Horizontal Section and Slim Hole in Changqing Oilfield[J]. Petroleum Drilling Techniques, 2021, 49(5): 14-18. doi: 10.11911/syztjs.2021060

长庆油田小井眼超长水平段水平井钻井技术

doi: 10.11911/syztjs.2021060
详细信息
    作者简介:

    王忠良(1989—),男,黑龙江大庆人,2012年毕业于东北石油大学资源勘查工程专业,工程师,主要从事随钻地质导向工作。E-mail:wzl080808@126.com

  • 中图分类号: TE242

Drilling Technologies for Horizontal Wells with Ultra-Long Horizontal Section and Slim Hole in Changqing Oilfield

  • 摘要: 针对长庆油田小井眼超长水平段水平井钻井施工中井眼轨迹控制困难、储层钻遇率低、机械钻速低、井壁易垮塌和易发生井漏等问题,分析了钻井技术难点,研究了旋转导向智能井眼轨迹控制技术、近钻头方位伽马成像技术和工程参数监测技术,进行了钻头选型优化,并研究应用纳米成膜封堵水基钻井液技术,形成了长庆油田小井眼超长水平段水平井钻井技术,能够精准控制井眼轨迹、提高储层钻遇率、保障井下安全和提高机械钻速。长庆油田桃XX井应用旋转导向技术及相关配套技术,安全高效地完成了水平段长4466 m、井深8008 m的钻井施工,储层钻遇率高达96.6%,创造了长庆油田井深最深、亚太区陆地水平段最长的纪录。研究结果表明,长庆油田小井眼超长水平段水平井钻井技术的现场应用效果良好,具有较好的推广应用价值。

     

  • 图 1  旋转导向系统结构示意

    Figure 1.  Mechanism of the rotary steering system

    图 2  近钻头方位伽马成像示意

    Figure 2.  Near-bit azimuthal gamma imaging

    图 3  桃xx井近钻头方位伽马成像图

    Figure 3.  Near-bit azimuthal gamma imaging result of Well Tao XX

    图 4  井漏处当量循环密度和电磁波电阻率示意

    Figure 4.  Equivalent circulating density and electromagnetic resistivity at circulation loss

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出版历程
  • 收稿日期:  2020-12-07
  • 修回日期:  2021-07-20
  • 网络出版日期:  2021-08-27
  • 刊出日期:  2021-10-18

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