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陕北西部地区裂缝性地层堵漏技术研究与实践

王波 孙金声 李伟 张文哲 李红梅

王波, 孙金声, 李伟, 张文哲, 李红梅. 陕北西部地区裂缝性地层堵漏技术研究与实践[J]. 钻井液与完井液, 2020, 37(1): 9-14. doi: 10.3969/j.issn.1001-5620.2020.01.002
引用本文: 王波, 孙金声, 李伟, 张文哲, 李红梅. 陕北西部地区裂缝性地层堵漏技术研究与实践[J]. 钻井液与完井液, 2020, 37(1): 9-14. doi: 10.3969/j.issn.1001-5620.2020.01.002
WANG Bo, SUN Jinsheng, LI Wei, ZHANG Wenzhe, LI Hongmei. Study on and Practice of Lost Circulation Control Technology in Drilling Fractured Formations in West Shaanbei[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(1): 9-14. doi: 10.3969/j.issn.1001-5620.2020.01.002
Citation: WANG Bo, SUN Jinsheng, LI Wei, ZHANG Wenzhe, LI Hongmei. Study on and Practice of Lost Circulation Control Technology in Drilling Fractured Formations in West Shaanbei[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(1): 9-14. doi: 10.3969/j.issn.1001-5620.2020.01.002

陕北西部地区裂缝性地层堵漏技术研究与实践

doi: 10.3969/j.issn.1001-5620.2020.01.002
基金项目: 

国家科技重大专项“陆相页岩气水平井高效低成本钻完井技术”(2017ZX05039-003)

详细信息
    作者简介:

    王波,1990年生,在读博士研究生,主要从事油气井工作液及防漏堵漏方面的研究。E-mail:swpu.2008@qq.com

    通讯作者:

    孙金声,1965年生,中国工程院院士。E-mail:sunjinsheng@petrochina.com.cn

  • 中图分类号: TE282

Study on and Practice of Lost Circulation Control Technology in Drilling Fractured Formations in West Shaanbei

  • 摘要: 陕北西部地区钻井过程中漏失频发,吴起铁边城区域井漏问题尤为突出,漏失严重时导致填井或弃井,增加该区域钻井成本。通过对铁边城区域岩心特性分析和力学测试,该区域地层井漏原因主要由微裂缝扩展、延伸和对天然裂缝通道的勾通形成贯穿漏失通道引起。针对裂缝漏失特征,通过实验模拟,建立以刚性颗粒架桥、柔性变形材料充填以及纤维材料缠绕联结的裂缝堵漏配方,并分析其堵漏作用机理,室内承压可达7 MPa以上。现场应用该研究成果后,3次堵漏作业均能达到一次堵漏成功,地层承压能力当量密度提高0.22 g/cm3,达到很好的应用效果,为区域井漏预防和处理提供技术支撑。

     

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出版历程
  • 收稿日期:  2019-10-21
  • 刊出日期:  2020-02-28

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