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页岩气油基交联固化堵漏技术研究与应用

刘伟,  毛莉君,  欧阳伟

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文章导航 > 钻井液与完井液  > 2021 >  38(2): 207-211
刘伟, 毛莉君, 欧阳伟. 页岩气油基交联固化堵漏技术研究与应用[J]. 钻井液与完井液, 2021, 38(2): 207-211. doi: 10.3969/j.issn.1001-5620.2021.02.013
引用本文: 刘伟, 毛莉君, 欧阳伟. 页岩气油基交联固化堵漏技术研究与应用[J]. 钻井液与完井液, 2021, 38(2): 207-211. doi: 10.3969/j.issn.1001-5620.2021.02.013
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LIU Wei, MAO Lijun, OUYANG Wei. Research on Plugging Technology of Shale Gas Oil-Based Crosslinking Solidification[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(2): 207-211. doi: 10.3969/j.issn.1001-5620.2021.02.013
Citation: LIU Wei, MAO Lijun, OUYANG Wei. Research on Plugging Technology of Shale Gas Oil-Based Crosslinking Solidification[J]. DRILLING FLUID & COMPLETION FLUID, 2021, 38(2): 207-211. doi: 10.3969/j.issn.1001-5620.2021.02.013
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页岩气油基交联固化堵漏技术研究与应用

doi: 10.3969/j.issn.1001-5620.2021.02.013

  • 1. 油气田应用化学四川省重点实验室, 四川广汉 618300;

  • 2. 川庆钻探工程有限公司钻采工程技术研究院, 四川广汉 618300;

  • 3. 中国石油工程建设有限公司西南分公司, 成都 610041

详细信息
    作者简介:

    刘伟,1982年生,硕士研究生,主要从事钻井液新型材料及钻井液技术研究。电话13881008121;E-mail:liuwei_ccde@cnpc.com.cn

  • 中图分类号: TE282

Research on Plugging Technology of Shale Gas Oil-Based Crosslinking Solidification

  • 1. Sichuan Key Laboratory of Oil and Gas Field Applied Chemistry, Guanghan, Sichuan 618300;

  • 2. Drilling & Production Research Institute, CCDC, Guanghan, Sichuan 618300;

  • 3. China Petroleum Engineering & Construction Co., Ltd. Southwest Branch, Chengdu, Sichuan 610041

    摘要
  • 摘要: 页岩气龙马溪组钻井主要采用油基钻井液，地层本身微裂缝发育，钻井液密度较高，容易产生诱导裂缝，发生油基钻井液漏失，产生巨大的经济损失，目前国内外对油基钻井液漏失机理研究较少，油基钻井液专用堵漏材料品种单一、工艺技术不成熟，导致油基堵漏已成为国内外的技术难题。对龙马溪组地层油基钻井液漏失特征及机理进行研究分析，根据该漏失机理，研究出2种不同温度条件下的交联固化堵漏剂CQ-HM1、CQ-HM2，形成油基钻井液交联固化堵漏浆配方，该配方在100～150℃条件下，在70～90 min内固化，达到堵漏的效果，并且在5 mm缝板的承压能力达6.0 MPa以上。最终形成了油基钻井液交联固化堵漏技术。

     

    Abstract: Shale gas stream the dragon group, mainly using oil-base drilling fluid microfracture stratum itself development, drilling fluid density is high, easy to generate induced cracks, oil-base drilling fluid leakage occurs, produce the huge economic losses, at home and abroad research on mechanism of oil-base drilling fluid leakage is less, oil-base drilling fluid plugging material varieties for a single, technology is not mature,Oil-based plugging has become a technical problem at home and abroad.The characteristics and mechanism of oil base drilling fluid loss in Longmaxi Formation were studied and analyzed. According to the mechanism of oil base drilling fluid loss, two kinds of cross-linking curing plugging agents CQ-HM1 and CQ-HM2 at different temperatures were developed to form the formula of oil base drilling fluid cross-linking curing plugging slurry. The formula was cured within 70-90 min at 100-150 ℃.The sealing effect is achieved, and the bearing capacity of the 5 mm joint plate is more than 6.0 MPa.Finally, the oil based drilling fluid crosslinking solidification plugging technology was formed.

     

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    • 参考文献(11)
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  • 收稿日期:  2020-12-22

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