超深井高钢级厚壁套管开窗研究及应用

doi:10.11885/j.issn.1674-5086.2023.12.27.35

西南石油大学学报(自然科学版) ›› 2025, Vol. 47 ›› Issue (4): 177-188.DOI: 10.11885/j.issn.1674-5086.2023.12.27.35

• 石油机械与油田化学 • 上一篇

超深井高钢级厚壁套管开窗研究及应用

汤明¹, 王双宁^1,2, 何世明¹, 张光福¹, 刘晓森³

1. 油气藏地质及开发工程全国重点实验室·西南石油大学, 四川成都 610500;
2. 中国石油西南油气田公司勘探事业部, 四川成都 641400;
3. 陇东学院能源工程学院, 甘肃庆阳 745000

收稿日期:2023-12-27 发布日期:2025-07-25
通讯作者: 汤明，E-mail:tm4432@126.com
作者简介:汤明，1985年生，男，汉族，四川简阳人，副教授，博士，主要从事油气井控、井壁稳定和钻井工艺等方面的基础研究和教学工作。E-mail:tm4432@126.com
王双宁，1999年生，男，汉族，四川凉山人，助理工程师，硕士，主要从事钻井工程管理、钻工具优化优选等方面的工作。E-mail:edisonwsn@petrochina.com
何世明，1966年生，男，汉族，重庆长寿人，教授，博士研究生导师，主要从事油气工程力学与完井新技术等方面的研究和教学工作。E-mail:hesming@sina.com
张光福，1995年生，男，汉族，四川南充人，博士研究生，主要从事井筒温度场、岩石力学和井壁稳定等方面的基础研究工作。E-mail:zgfzxb@outlook.com
刘晓森，2003年生，男，汉族，四川简阳人，主要从事石油工程专业方向的研究工作。E-mail:lxs3089322078@qq.com
基金资助:
国家自然科学基金（52374012，51904260）

Research and Application of Window Opening for High-grade Steel Thick-wall Casing in Ultra-deep Wells

TANG Ming¹, WANG Shuangning^1,2, HE Shiming¹, ZHANG Guangfu¹, LIU Xiaosen³

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. Exploration Division, Southwest Oil & Gas Field Company, PetroChina, Chengdu, Sichuan, 641400, China;
3. School of Energy Engineering, Longdong University, Qingyang, Gansu, 745000, China

Received:2023-12-27 Published:2025-07-25

摘要/Abstract

摘要： 开窗侧钻是处理井下复杂事故的重要方法之一，在超过7 000 m的超深井高钢级（TP155V）厚壁（15.83 mm）套管开窗侧钻，不仅面临高温高压的井下复杂环境，还具有作业时间长费用高的难点。为提高超深井高钢级厚壁套管开窗的成功率和作业效率，采用ABAQUS软件建立套管开窗侧钻仿真模型，优选开窗铣锥，采用地面试验对仿真结果进一步论证，将优选出的适用于超深井高钢级厚壁套管开窗铣锥进行现场应用。仿真模拟表明，铣锥肩部和锥顶外圆是开窗和修窗的主要工作面，圆锥型铣锥开窗应力最大、开窗效率最高、窗口形状规整平滑、优先推荐；地面试验中圆锥型铣锥能够成功开窗，螺旋型和钻头型铣锥均未开窗成功；双探102井在井深7 473 m处、壁厚15.83 mm和钢级TP155V的套管采用圆锥型铣锥成功开窗侧钻，创国内套管开窗侧钻井深最深、钢级最高和壁厚最厚等3项纪录。该研究成果对于超深井高效开窗侧钻提供了借鉴，为超深油气资源高效勘探开发提供支撑。

关键词: 超深井, 高钢级厚壁套管, 开窗侧钻, 锥铣, 仿真模拟

Abstract: Windowing and sidetracking is one of the important methods to deal with complex accidents underground. Windowing and sidetracking in ultra-deep wells such as not less than 7 000 m well depth with high steel grade (TP155V) and thick wall (15.83 mm) casing not only faces complex underground environment with high temperature and pressure, but also has the difficulty of long operation time and high cost. In order to improve the success rate and operation efficiency of high steel grade thick wall casing windowing in ultra-deep wells, this paper uses ABAQUS software to establish the casing windowing side-drilling simulation model and optimize the windowing milling cone. Ground tests are used to further demonstrate the simulation results, and the selected ones are suitable for the windowing milling cone in ultra-deep wells for field application. The simulation shows that the milling shoulder and the outer circle of the cone top are the main working faces of window opening and window repairing. The conical milling cone has the largest window opening stress, the highest window opening efficiency, and the regular and smooth shape of the window. In the ground test, the conical milling cone can successfully open the window, but the spiral milling cone and the drill type can't open the window successfully. The casing with a depth of 7 473 m, a wall thickness of 15.83 mm and steel grade TP155V was successfully drilled by conical milling cone in Well Shuangtan102, which set three records in China for the deepest drilling depth, the highest steel grade and the thickest wall thickness. The research results of this paper provide a reference for the efficient windowing and sidetracking of ultra-deep Wells, and provide support for the efficient exploration and development of ultra-deep oil and gas resources.

Key words: ultra deep well, high steel grade thick wall casing, windowing side drill, milling cone, simulation

中图分类号:

TE921

汤明, 王双宁, 何世明, 张光福, 刘晓森. 超深井高钢级厚壁套管开窗研究及应用[J]. 西南石油大学学报(自然科学版), 2025, 47(4): 177-188.

TANG Ming, WANG Shuangning, HE Shiming, ZHANG Guangfu, LIU Xiaosen. Research and Application of Window Opening for High-grade Steel Thick-wall Casing in Ultra-deep Wells[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2025, 47(4): 177-188.

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超深井高钢级厚壁套管开窗研究及应用

Research and Application of Window Opening for High-grade Steel Thick-wall Casing in Ultra-deep Wells

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