控压钻井液动节流压力控制系统仿真分析与试验研究

金业权; 孙泽秋; 刘刚

doi:10.3969/j.issn.1001-0890.2013.02.021

控压钻井液动节流压力控制系统仿真分析与试验研究

doi: 10.3969/j.issn.1001-0890.2013.02.021

1.
中国石油大学(华东)石油工程学院, 山东青岛 266580;
2.
中国石化石油工程技术研究院德州大陆架石油工程技术有限公司, 山东德州 253005

详细信息

作者简介:
金业权(1968-),男,湖北黄冈人,1992年毕业于江汉石油学院钻井工程专业,2006年获武汉大学岩土工程专业博士学位,副教授,硕士生导师,主要从事油气井力学、信息与控制以及井控风险评价方面的研究。联系方式15063018525,jinyequan156@126.com。

中图分类号: TE249
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出版历程
- 收稿日期: 2012-10-11
- 修回日期: 2013-02-26
- 刊出日期: 2013-04-19

Simulation Analysis and Experimental Study of Managed Pressure Drilling Hydraulic Throttle Pressure Control System

1.
School of Petroleum Engineering, China University of Petroleum(Huadong), Qingdao, Shandong, 266580, China;
2.
Shelfoil Petroleum Equipment & Services Co. Ltd., Sinopec Research Institute of Petroleum Engineering, Dezhou, Shandong, 253005, China

摘要

摘要: 针对传统控制方式难以实现节流压力精确控制的问题,提出了一种基于"PLC+高速开关阀"的液动节流压力控制方法。在完成系统方案设计的基础上,建立了系统的数学模型及传递函数;根据劳斯判据,得出系统四阶系数大于0,利用Matlab仿真得出该系统的幅值裕度大于0,相位裕角大于45°。现场实测数据与理论计算数据对比分析可知,曲线形状相似,平均相对误差4.0%,说明该系统的稳定性良好,能满足现场对控压钻井的工程要求。该控制系统弥补了现有控制系统的不足,为精细控压钻井提供了新的技术支持。
- 控压钻井 /
- 精细控压钻井 /
- 节流控制 /
- 系统仿真 /
- 压力控制
Abstract: : Since the traditional "PID + Proportion Servo Valve" throttle pressure control system has difficulty in precise control of the throttle pressure,a hydrodynamic throttle pressure control system has been developed based on the "PLC + High-Speed Switch Valve" hydrodynamic throttle pressure control system.On the basis of the system design,the mathematic model and transfer function of the system were built.According to the Routh Criterion that the system four order coefficient was greater than zero,through the simulation of Matlab draw system amplitude margin was greater than zero and phase margin angle greater than 45 degrees.Comparison of the measured data and the calculated data showed that the curves were similar in shape with average relative error of 4.0%,indicating the system was good in stability well and could meet the requirements of pressure control.The control system has made up for the deficiency of the existing control system to meet the "stable,fast,and provide new technical support" for accurate managed pressure drilling.
- managed pressure drilling /
- precise managed pressure /
- throttle control /
- system simulation /
- pressure control

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参考文献(14)

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