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延安东部气田成膜防塌钻井液体系优选和应用

罗红芳, 张文哲, 何小曲, 李国荣. 2021. 延安东部气田成膜防塌钻井液体系优选和应用. 钻探工程, 48(9): 64-70. doi: 10.12143/j.ztgc.2021.09.007
引用本文: 罗红芳, 张文哲, 何小曲, 李国荣. 2021. 延安东部气田成膜防塌钻井液体系优选和应用. 钻探工程, 48(9): 64-70. doi: 10.12143/j.ztgc.2021.09.007
LUO Hongfang, ZHANG Wenzhe, HE Xiaoqu and LI Guorong, . 2021. Optimization and application of film-forming and anti-collapse drilling fluid in the Yan’an east gas field. DRILLING ENGINEERING, 48(9): 64-70. doi: 10.12143/j.ztgc.2021.09.007
Citation: LUO Hongfang, ZHANG Wenzhe, HE Xiaoqu and LI Guorong, . 2021. Optimization and application of film-forming and anti-collapse drilling fluid in the Yan’an east gas field. DRILLING ENGINEERING, 48(9): 64-70. doi: 10.12143/j.ztgc.2021.09.007

延安东部气田成膜防塌钻井液体系优选和应用

  • 基金项目:

    国家“十三五”重大专项课题三“陆相页岩气水平井高效低成本钻完井技术”(编号:2017ZX05039-003);延长石油集团项目“延安气田水基钻井液防塌堵漏技术研究”(编号:YCSY2019KY-A-16)

详细信息
    作者简介: 罗红芳,女,汉族,1983年生,讲师,地质工程专业,硕士,从事油气田开发技术工作,陕西省延安市宝塔区枣园路555号,271481512@qq.com。
    通讯作者: 张文哲,男,汉族,1987年生,工程师,油气井工程专业,硕士,主要从事致密气藏开发工作,陕西省西安市唐延路61号,eagle.1983@163.com。
  • 中图分类号: TE254;P634

Optimization and application of film-forming and anti-collapse drilling fluid in the Yan’an east gas field

More Information
  • 延安东部气田石千峰组、石盒子组和山西组具有强硬脆性、地层裂缝发育、泥岩泥质含量高,在钻进过程中常发生井塌、井漏现象,使得钻井成本大大增加。通过对延安东部气田上古生界地层特性、井壁失稳机理和储层特性等因素分析,开展了具有强抑制、强封堵的成膜钻井液体系研究。通过筛选降滤失剂RHPT-1及成膜剂CMJ-2,确定成膜钻井液配方并完成了体系的性能评价。结果表明,该体系润滑系数0.0659、岩屑滚动回收率95.94%、16 h线性膨胀率8.18%,表现出了较好的润滑性和抑制性。抗粘土污染3%、抗盐7%、抗钙2%,100 ℃热滚钻井液性能保持稳定,具有很好的抗污染和热稳定性能。现场3口水平井的应用中,有效地解决了延安东部气田上古生界地层井壁易失稳的技术难题。
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出版历程
收稿日期:  2020-11-10
修回日期:  2021-02-02

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