水力振荡器振动特性分析

田家林; 李友; 杨志; 杨琳; 余长柏; 付传红; 朱永豪

doi:10.13433/j.cnki.1003-8728.2017.0506

水力振荡器振动特性分析

doi: 10.13433/j.cnki.1003-8728.2017.0506

1.
西南石油大学机电工程学院, 成都 610500;
2.
西南交通大学机械工程学院, 成都 610031;
3.
中石化石油工程机械有限公司, 武汉 430000

基金项目:

国家自然科学基金项目（51674216）、国家科技重大专项（2016ZX05038）及国家留学基金项目（201608515039）资助

详细信息

作者简介:
田家林(1979-),副教授,博士,研究方向为井下工具、钻井动力学及理论,tianjialin001@gmail.com

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出版历程
- 收稿日期: 2015-11-12
- 刊出日期: 2017-05-05

The Vibration Characteristics Analysis of Hydraulic Oscillator

1.
School of Mechanical Engineering, Southwest Petroleum University, Chengdu 610500, China;
2.
School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China;
3.
Institute of Sinopec Oilfield Equipment Corporation, Wuhan 430000, China

摘要

摘要: 针对大位移井和水平井钻柱与井壁摩阻大的问题，提出一种具有轴向振动减摩作用的水力振荡器。在水力振荡器结构设计、工作原理分析的基础上，建立其运动方程和力学特征模型，确定马达转子和动阀板运动关系，进行马达转子和阀片部分的受力分析，并建立水力振荡器在水平井的振动方程。通过算例分析得到过流面积变化频率与流量成正比，过流面积随静阀孔直径增大而增大，总轴向力随静阀孔直径增大而减小，振动位移随静阀孔直径、安装位置和井壁摩擦系数的增大而减小。现场试验表明，水力振荡器的使用可以减小井壁摩擦，改善钻压传递，钻井提速效果明显。
- 水力振荡器 /
- 振动 /
- 钻井 /
- 提速 /
- 水平井 /
- 摩擦
Abstract: Aiming at the problem of large friction between the drill string and borehole, a hydraulic oscillator of axial vibration antifriction was put forward in this paper. According to the working principles and structural design of hydraulic oscillator, its equations of motion and mechanical properties were analyzed, and the vibration equation of hydraulic oscillator was established in the horizontal well. The analysis of calculation example indicated the frequency of flow area change was proportional to the flow rate, the flow area increased with the increase of the static valve hole diameter, the total axial force decreased with the increase of the static valve hole diameter, the vibration displacement decreased with the increase of static valve hole diameter and installation location and coefficient of friction. The conclusions provide important references for reducing friction, increasing speed and field applications of hydraulic oscillator.
- hydraulic oscillator /
- vibrations /
- drilling /
- friction /
- design /
- mechanical properties

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参考文献(16)

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