[1]于 洋.连续油管泡沫钻塞技术研究与应用[J].复杂油气藏,2022,15(02):90-96.[doi:10.16181/j.cnki.fzyqc.2022.02.015]
 YU Yang.Research and field application of foam drilling technology for drillingout composite bridge plugs in coiled tubing[J].Complex Hydrocarbon Reservoirs,2022,15(02):90-96.[doi:10.16181/j.cnki.fzyqc.2022.02.015]
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连续油管泡沫钻塞技术研究与应用()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
15卷
期数:
2022年02期
页码:
90-96
栏目:
油气工程
出版日期:
2022-06-25

文章信息/Info

Title:
Research and field application of foam drilling technology for drillingout composite bridge plugs in coiled tubing
作者:
于 洋
中国石化中原石油工程有限公司井下特种作业公司,河南 濮阳 457164
Author(s):
YU Yang
Downhole Special Service Company of Zhongyuan Petroleum Engineering Co.,Ltd.,SINOPEC,Puyang 457164,China
关键词:
连续油管钻塞泡沫钻塞液钻磨工艺
Keywords:
coiled tubingdrilling plugfoam drill plug fluiddrilling and milling-grinding technology
分类号:
TE37
DOI:
10.16181/j.cnki.fzyqc.2022.02.015
文献标志码:
A
摘要:
针对涪陵页岩气储层钻塞效率低、事故风险高等问题,通过室内实验、理论研究以及现场数据分析,开展了连续油管泡沫钻塞技术研究。通过优选起泡剂与稳泡剂,最终确定泡沫钻塞液的配方为1.2 %起泡剂JY+0.15 %稳泡剂HPAM,并对钻塞工艺的磨鞋与螺杆马达等关键工具以及排量、钻压、上提速度等关键参数进行了优化。该技术在8口井进行了现场应用,与传统方法相比,钻塞时效提高79.8 %,事故率降低51.5 %。该技术可有效提高页岩气钻进效率,降低事故率,具有推广应用价值。
Abstract:
Aiming at the problems of low drilling efficiency and high accident risk in Fuling shale gas reservoir,the foam drilling technology of coiled tubing was studied through laboratory experiment,theoretical research and field data analysis. By optimizing foaming agent and stabilizing agent,the formulation of foam drilling fluid was finally determined as 1.2 % foaming agent JY+0.15 % stabilizing agent HPAM. Key tools,such as shoe grinding and screw motor,as well as key parameters,such as displacement,bit pressure and lifting speed,were optimized for the corresponding foam drilling plug process. The technology was used in eight wells and resulted in a 79.8% increase in plug timings and a 51.5% reduction in accident rates compared to conventional methods. The application results show that this technology can effectively improve the work efficiency of shale gas drilling,reduce the accident rate,and has application and promotion value.

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备注/Memo

备注/Memo:
收稿日期:2022-02-24;改回日期:2022-04-28。
作者简介:于洋(1973—),高级工程师,主要从事储层改造方面的研究工作。E-mail:atlanticyu@126.com。
基金项目:山东省优秀青年基金(ZR2020YQ36)资助。
更新日期/Last Update: 2022-06-25