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工程设计学报
工程设计学报  2017, Vol. 24 Issue (6): 710-716    DOI: 10.3785/j.issn.1006-754X.2017.06.015
通用零部件设计     
一种新型多级可变径稳定器工作机理研究
杨行1,2, 夏成宇1,2, 钱利勤1,2, 涂忆柳1,2, 孙巧雷1,2, 王鹏1,2
1. 长江大学 机械工程学院, 湖北 荆州 434023;
2. 湖北省油气钻完井工具工程技术研究中心, 湖北 荆州 434023
Research on a new type of multistage variable diameter stabilizer working mechanism
YANG Hang1,2, XIA Cheng-yu1,2, QIAN Li-qin1,2, TU Yi-liu1,2, SUN Qiao-lei1,2, WANG Peng1,2
1. School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China;
2. Hubei Engineering Research Center for Oil & Gas Drilling and Completion Tools, Jingzhou 434023, China
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摘要：

针对目前国内可变径稳定器结构复杂、制造成本高等问题，设计了一种主要用于水平井井眼轨迹微调的新型多级可变径稳定器。该稳定器能在钻井液驱动力作用下通过改变销钉在行程控制轮导向滑槽中的状态来实现多级变径，针对其结构特点，对其工作原理进行了介绍。基于纵横弯曲法理论，并考虑均布载荷及弯矩等因素的联合作用，建立了包含多级可变径稳定器的井下钻具组合的力学模型，得到了钻井液驱动力与稳定器支撑块伸出长度之间的关系式，计算了不同支撑块伸出长度所需最小钻井液驱动力和钻头侧向力的值，结果表明该可变径稳定器能实现增斜、降斜和稳斜功能。研究成果为多级可变径稳定器的结构设计和优化提供了技术指导。
关键词： 可变径稳定器;  行程控制轮;  纵横弯曲法;  井眼轨迹微调;  钻井液驱动力    
Abstract:

Since the complicated structure of domestic variable diameter stabilizer and the high manufacturing cost, a new multistage variable diameter stabilizer was designed for fine-tuning horizontal well trajectory. The diameter of stabilizer could achieve multilevel changes by changing the state of the pin in the stroke control wheel guide chute under the control of drilling fluid driving force, and its working principle was introduced in view of its structural characteristics. Based on the theory of vertical and horizontal bending method and considering the combined effect of load and bending moment, a mechanical model of the downhole drilling tool assembly with multistage variable diameter stabilizer was established, the relational expression between the drilling fluid driving force and the length of the stabilizer support block was obtained and the minimum drilling fluid driving force and the drill bit tilt angle in different extension length of the support block were calculated. The results show that the multistage variable diameter stabilizer can realize the function of increasing slope, decreasing slope and stabilizing slope, which can provide technical guidance for the structural design and optimization of multistage variable diameter stabilizers.
Key words: variable diameter stabilizer    stroke control wheel    vertical and horizontal bending method    wellbore trajectory fine-tuning    driving force of the drilling fluid
收稿日期: 2017-04-27 出版日期: 2017-12-28
CLC:  TE242  
基金资助:

国家自然科学基金资助项目（51405032）；西南石油大学油气藏地质及开发工程国家重点实验室资助项目（PLN201605）；石油天然气装备教育部重点实验室（OGE201403-06）；长江大学青年人才基金资助项目（2015cqr15）
通讯作者: 钱利勤(1982-),女,江苏苏州人,讲师,硕士,从事管柱力学及井下工具的设计与仿真等研究,E-mail:441573083@qq.com,http://orcid.org/0000-0002-1631-0797     E-mail: 441573083@qq.com
作者简介: 杨行(1993-),男,湖北仙桃人,硕士生,从事管柱力学研究,E-mail:1021826432@qq.com,http://orcid.org/0000-0002-1885-7972
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引用本文:

杨行, 夏成宇, 钱利勤, 涂忆柳, 孙巧雷, 王鹏. 一种新型多级可变径稳定器工作机理研究[J]. 工程设计学报, 2017, 24(6): 710-716.

YANG Hang, XIA Cheng-yu, QIAN Li-qin, TU Yi-liu, SUN Qiao-lei, WANG Peng. Research on a new type of multistage variable diameter stabilizer working mechanism[J]. Chinese Journal of Engineering Design, 2017, 24(6): 710-716.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2017.06.015    或    https://www.zjujournals.com/gcsjxb/CN/Y2017/V24/I6/710

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