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川南页岩气水平井钻井技术难点与对策

李传武 兰凯 杜小松 韩明甜 刘春林

李传武, 兰凯, 杜小松, 韩明甜, 刘春林. 川南页岩气水平井钻井技术难点与对策[J]. 石油钻探技术, 2020, 48(3): 16-21. doi: 10.11911/syztjs.2020055
引用本文: 李传武, 兰凯, 杜小松, 韩明甜, 刘春林. 川南页岩气水平井钻井技术难点与对策[J]. 石油钻探技术, 2020, 48(3): 16-21. doi: 10.11911/syztjs.2020055
LI Chuanwu, LAN Kai, DU Xiaosong, HAN Mingtian, LIU Chunlin. Difficulties and Countermeasures in Horizontal Well Drilling for Shale Gas in Southern Sichuan[J]. Petroleum Drilling Techniques, 2020, 48(3): 16-21. doi: 10.11911/syztjs.2020055
Citation: LI Chuanwu, LAN Kai, DU Xiaosong, HAN Mingtian, LIU Chunlin. Difficulties and Countermeasures in Horizontal Well Drilling for Shale Gas in Southern Sichuan[J]. Petroleum Drilling Techniques, 2020, 48(3): 16-21. doi: 10.11911/syztjs.2020055

川南页岩气水平井钻井技术难点与对策

doi: 10.11911/syztjs.2020055
基金项目: 中石化中原石油工程有限公司科研项目“难钻地层钻头与工具协同提速技术研究”(编号:2017108)、“西南工区页岩气井安全优快钻井集成配套技术应用研究”(编号:2019101)联合资助
详细信息
    作者简介:

    李传武(1966—),男,山东青州人,1989年毕业于石油大学(华东)钻井工程专业,2008年获中国地质大学(武汉)地质工程专业硕士学位,高级工程师,主要从事钻井技术研究与石油工程安全管理工作。E-mail:lichuanw.oszy@sinopec.com

  • 中图分类号: TE243+.1

Difficulties and Countermeasures in Horizontal Well Drilling for Shale Gas in Southern Sichuan

  • 摘要:

    川南页岩气工区地质条件复杂,井漏频发,卡钻、埋旋转导向工具问题时有发生,且钻井周期长,严重制约着提速提效。针对这些问题,从该工区储层特征和岩石力学特性入手,分析了页岩气水平井钻井技术难点,研究形成了以大尺寸井眼“减振+扶正”提速、长水平段随钻清砂防卡、强化参数提速、固化堵漏、简易控压钻井为核心的技术对策。该技术措施在川南64 口页岩气水平井进行了应用,机械钻速提高,钻井周期缩短,取得了显著的综合效果。研究成果对该工区类似井及其他地区类似储层条件的页岩气水平井钻井具有借鉴作用或参考价值。

     

  • 图 1  川南工区二开超周期典型井分层段钻时和钻速统计结果

    Figure 1.  Statistics on drilling time and penetration rate in different strata of second-spud that exceeds cycle in the southern Sichuan area

    图 2  N201井区12口完钻井漏失情况统计结果

    Figure 2.  Statistics on leakage of 12 wells drilled in the N201 well block

    表  1  威远区块三开部分井ϕ215.9 mm井段强化参数提速效果

    Table  1.   The effect of parameters enhancement to increase the penetration rate in the third spud at ϕ215.9 mm wellbore in the Weiyuan Block

    井数钻压/kN地面转速/(r·min–1排量/(L·s–1)泵压/MPa机械钻速/(m·h–1)钻井周期/d段长/m
    使用螺杆使用旋转导向工具
    9100~1606090~11031~3421~3110.0020.392 226
    18 70~1404080~9018~3120~306.1425.112 194
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-12-10
  • 修回日期:  2020-04-09
  • 网络出版日期:  2020-04-23

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