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套管锻铣技术在柯20井储气库建井的应用

于占淼. 2023. 套管锻铣技术在柯20井储气库建井的应用. 钻探工程, 50(6): 137-145. doi: 10.12143/j.ztgc.2023.06.018
引用本文: 于占淼. 2023. 套管锻铣技术在柯20井储气库建井的应用. 钻探工程, 50(6): 137-145. doi: 10.12143/j.ztgc.2023.06.018
YU Zhanmiao. 2023. Research and application of drilling and completion technologies for slim-holes in North Ordos Gas Field. DRILLING ENGINEERING, 50(6): 137-145. doi: 10.12143/j.ztgc.2023.06.018
Citation: YU Zhanmiao. 2023. Research and application of drilling and completion technologies for slim-holes in North Ordos Gas Field. DRILLING ENGINEERING, 50(6): 137-145. doi: 10.12143/j.ztgc.2023.06.018

套管锻铣技术在柯20井储气库建井的应用

详细信息
    作者简介: 于占淼,男,汉族,1986年生,高级工程师,电气工程及其自动化专业,主要从事油气井工程方面的研究工作,河南省郑州市陇海西路199号,yzm_meg@163.com。

Research and application of drilling and completion technologies for slim-holes in North Ordos Gas Field

  • 柯20井是位于柯克亚凝析气田一口储气库建井,储气层顶界以上井段固井质量不满足要求,需进行套管锻铣后重新封堵。由于该井锻铣点深、锻铣套管钢级高,现场设备施工排量和泵压不足,锻铣工具不能完全锻铣套管接箍且铣刀张力不够,给锻铣作业带来诸多困难。通过优选锻铣刀具、设计锻铣施工参数和钻井液体系、泵车配合泥浆泵增大排量、打磨锻铣刀具限位装置、分阶段调整钻井液漏斗粘度后,单趟钻锻铣进尺19.33 m,锻铣速度0.48 m/h,返屑率71%,铣刀利用率90%,相较于前几趟钻,各指标分别提高55.5%、26.3%、9.2%、26.3%,有效提高井的锻铣效率,并为其它同类型套管锻铣井的高效施工提供重要经验参考。
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收稿日期:  2023-04-21
修回日期:  2023-07-14

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