[1]李 涛,徐卫强,苏 强.超深井155V高钢级厚壁套管开窗技术[J].复杂油气藏,2022,15(01):96-100.[doi:10.16181/j.cnki.fzyqc.2022.01.019]
 LI Tao,XU Weiqiang,SU Qiang.155V high-grade steel thick-wall casing window opening technology forultra-deep wells[J].Complex Hydrocarbon Reservoirs,2022,15(01):96-100.[doi:10.16181/j.cnki.fzyqc.2022.01.019]
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超深井155V高钢级厚壁套管开窗技术()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
15卷
期数:
2022年01期
页码:
96-100
栏目:
油气工程
出版日期:
2022-03-25

文章信息/Info

Title:
155V high-grade steel thick-wall casing window opening technology forultra-deep wells
作者:
李 涛徐卫强苏 强
中国石油西南油气田分公司工程技术研究院,四川 成都 610031
Author(s):
LI TaoXU WeiqiangSU Qiang
Engineering Technology Research Institute of Southwest Oil & Gas Field Company,PetroChina,Chengdu 610031,China
关键词:
超深井套管开窗侧钻高钢级套管斜向器铣锥四川盆地
Keywords:
ultra-deep wellcasing windowingsidetrackinghigh-grade steel casingdeflectormilling coneSichuan Basin
分类号:
TE242
DOI:
10.16181/j.cnki.fzyqc.2022.01.019
文献标志码:
A
摘要:
ST102井是部署在四川盆地川西北地区双鱼石构造的一口重点探井,该井因井下事故处理困难需进行开窗侧钻。该项施工开窗点深、开窗套管钢级高壁厚大,国内外尚无成熟的开窗工具及技术借鉴。为此,分析了以往开窗工具的设计与使用情况,结合该井开窗作业面临的难点和风险,重新设计制造了适用于深侧钻点、高钢级厚壁套管开窗的斜向器和铣锥,并进行了现场应用。自7 420 m开窗,经过10趟铣锥磨铣作业后侧钻出31 m领眼,成为国内首例155V高钢级套管开窗成功案例。为后续类似套管开窗作业提供了经验。
Abstract:
Well ST102 is a key exploration well in the Shuangyushi Formation in the northwestern Sichuan area of Sichuan Basin. Due to the difficulty in controlling downhole accidents,the well requires sidetracking by opening windows. The window opening point is deep in this structure,the window casing steel grade is high,the wall thickness is large,and no mature window opening tool and technology reference exist at home or abroad. As a result of analyzing the designs and applications of previous windowing tools,as well as the challenges and risks associated with the windowing operation in this well,deflectors and milling cones suitable for deep sidetracking points,as well as high-grade steel thick-wall casing windows,were redesigned and manufactured,and a field test was conducted.After 10 milling runs with new cone bits,a 31m pilot hole was drilled from 7 420 m to open the window,making it China’s first successful case of 155V high-grade steel casing opening. It gives experience for similar casing windowing opening operations in the future.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2022-01-06;改回日期:2022-01-22。
第一作者简介:李涛(1993—),工程师,主要从事油气井钻完井技术研究与故障复杂管理工作。E-mail:litao01@petrochina.com.cn。
基金项目:中国石油天然气集团公司“钻完井技术集成试验与推广应用-8000m级复杂超深井优快钻完井技术集成与应用”(2019D-4210)。
更新日期/Last Update: 1900-01-01