预弯钟摆BHA在不同钻井介质中的动力学特征及其应用

doi:10.7623/syxb202109010

石油学报 ›› 2021, Vol. 42 ›› Issue (9): 1237-1246.DOI: 10.7623/syxb202109010

预弯钟摆BHA在不同钻井介质中的动力学特征及其应用

王文昌^1,2, 冯大君¹, 狄勤丰^1,2, 芮子翔¹, 陈锋³, 朱卫平¹

1. 上海大学力学与工程科学学院上海 200072;
2. 上海市能源工程力学重点实验室上海 200072;
3. 上海大学机电工程与自动化学院上海 200072

收稿日期:2020-10-14 修回日期:2021-05-14 出版日期:2021-09-25 发布日期:2021-10-12
通讯作者: 狄勤丰,男,1963年8月生,1984年获华东石油学院学士学位,1997年获西南石油学院博士学位,现为上海大学教授、博士生导师,主要从事石油工程技术和力学问题的研究。Email:qinfengd@sina.com
作者简介:王文昌,男,1982年5月生,2003年获兰州大学学士学位,2011年获上海大学博士学位,现为上海大学副教授,主要从事石油工程中的管柱力学问题研究。Email:wangwenchang1982@163.com
基金资助:
国家自然科学基金青年科学基金项目"气体钻井中预弯底部钻具组合控斜的非线性动力学机制"（No.51704191）、"超深井油套管螺纹接头三维力学特性分析及密封机理研究"（No.51804194）和国家自然科学基金联合基金重点支持项目"超深井钻柱非线性动力学及动态安全性基础理论研究"（No.U1663205）资助。

Dynamic characteristics and application of the prebent pendulum BHA in different drilling media

Wang Wenchang^1,2, Feng Dajun¹, Di Qinfeng^1,2, Rui Zixiang¹, Chen Feng³, Zhu Weiping¹

1. School of Mechanics and Engineering Science, Shanghai University, Shanghai 200072, China;
2. Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai 200072, China;
3. School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, China

Received:2020-10-14 Revised:2021-05-14 Online:2021-09-25 Published:2021-10-12

摘要/Abstract

摘要： 带预弯结构的钟摆钻具组合（简称预弯钟摆BHA）既可适用于气体钻井，也适用于泥浆钻井，并在直井控斜、提速方面得到了较好的应用。但在不同钻井介质中，预弯钟摆BHA的应用效果体现出了较大的差异。从动力学角度出发研究钻井介质对预弯钟摆BHA力学特性的影响鲜有报道。通过研究钻井液附加质量引起的非线性惯性力及流体阻力特征，分析了气体钻井和泥浆钻井中预弯钟摆BHA动力学模型的差异。基于旋转Rayleigh梁模型，推导了预弯钟摆BHA钻头上的动态侧向力和动态轴向力，研究在不同钻井介质中预弯钟摆BHA的运动特征及受力特征，分析其对实际钻井的控斜、提速效果的影响，并研究了弯角大小对不同介质中预弯钟摆BHA的动力学特征的影响规律。结果表明，预弯钟摆BHA在不同钻井介质中的动态特征差异显著，气体钻井中的运动特征更为稳定，动态侧向力和轴向力较高；不同介质中的弯角影响规律有其各自的特点，在现场实际应用中，应根据需要进行合理的选择。

关键词: 预弯钟摆BHA, 气体钻井, 泥浆钻井, 动力学特征, 控斜提速

Abstract: The pendulum drill assembly with prebent structure (prebent pendulum BHA for short) can be used in both gas drilling and mud drilling, and has been well applied in vertical wells for controlling inclination and increasing drilling speed. However, in different drilling media, the application effect of prebent pendulum BHA has shown a big difference. Especially from the perspective of dynamics, there are few reports on the impact of drilling media on prebent pendulum BHA. By studying the characteristics of nonlinear inertia force and fluid resistance caused by the added mass of drilling fluid, this paper analyzes the difference between the dynamic models of prebent pendulum BHA in gas drilling and mud drilling. Based on the rotating Rayleigh beam model, this paper deduces the dynamic lateral force and dynamic axial force on the prebent pendulum BHA bit, studies the motion characteristics and stress characteristics of the prebent pendulum BHA in different drilling media, and also analyzes its impact on the effect of controlling inclination and increasing drilling speed in actual drilling and the influence rule of the bending angle on the dynamic characteristics of prebent pendulum BHA in different media. The results show that the dynamic characteristics of prebent pendulum BHA in different drilling media are significantly different. The motion characteristics in gas drilling are more stable, and the dynamic lateral and axial forces are higher. The influence law of the bending angle in different media has its own characteristics. In the field, a reasonable choice should be made according to the needs.

Key words: prebent pendulum BHA, gas drilling, mud drilling, dynamic characteristics, controlling inclination and increasing drilling speed

中图分类号:

TE921

王文昌, 冯大君, 狄勤丰, 芮子翔, 陈锋, 朱卫平. 预弯钟摆BHA在不同钻井介质中的动力学特征及其应用[J]. 石油学报, 2021, 42(9): 1237-1246.

Wang Wenchang, Feng Dajun, Di Qinfeng, Rui Zixiang, Chen Feng, Zhu Weiping. Dynamic characteristics and application of the prebent pendulum BHA in different drilling media[J]. Acta Petrolei Sinica, 2021, 42(9): 1237-1246.

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预弯钟摆BHA在不同钻井介质中的动力学特征及其应用

Dynamic characteristics and application of the prebent pendulum BHA in different drilling media

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