控压钻井自动节流管汇压力调节特性研究

张涛; 李军; 柳贡慧; 席岩; 孙立升

doi:10.3969/j.issn.1001-0890.2014.02.004

控压钻井自动节流管汇压力调节特性研究

张涛^1,2,
李军²,
柳贡慧²,
席岩²,
孙立升³

1.
中国石油大学（北京）机械与储运工程学院,北京 102249;
2.
中国石油大学（北京）石油工程学院,北京 102249;
3.
中国石油西气东输管道公司山西管路处,山西太原 030001

基金项目:

国家重点基础研究发展计划（“973”计划）项目“深井复杂地层钻井压力系统模型与规律”（编号：2010CB226704）、国家自然科学“基于模型预测控制理论与状态机架构的控压钻井压力控制方法研究”（编号：51374223）和中国博士后科学“基于井筒流体介电特性的钻井安全预警可行性研究”（编号：2013M541146）资助。

详细信息

作者简介:
张涛（1983—），男，河北河间人，2007年毕业于中国石油大学（华东）自动化专业，2012年获中国石油大学（北京）油气井工程专业博士学位，在站博士后，主要从事压力管理钻井理论、控压钻井节流管汇、随钻测量工具方面的研究工作。

中图分类号: TE927
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出版历程
- 收稿日期: 2013-10-07
- 修回日期: 2014-02-12
- 刊出日期: 1899-12-31

Pressure Regulation Characteristics of Automatic Choke Manifold in Managed Pressure Drilling

1.
College of Mechanical and Transportation Engineering, China University of Petroleum(Beijing), Beijing, 102249, China;
2.
College of Petroleum Engineering, China University of Petroleum(Beijing), Beijing, 102249, China;
3.
Shanxi Pipeline Division, CNPC West-East Gas Pipeline Company, Taiyuan, Shanxi, 030001, China

摘要

摘要: 现代控压钻井作业中，依靠自动节流管汇施加和控制井口回压，从而间接控制井底压力。但由于阀门的压力调节特性与阀门开度存在较大的非线性，常规节流管汇很难通过单个节流阀实现全开度范围内的精确调节。为了提高控制精度，利用节流阀工作的3个状态，建立了压力调节特性与流量调节特性的对应关系，进而建立了节流管汇的压力调节特性模型，并对压力调节精度及流量对压力调节特性的影响进行了分析。研究分析表明，现有节流阀压力调节特性呈现一定非线性；通过优化阀芯可以增大节流阀的有效工作区间，但不能完全消除超调区间；钻井液排量对节流阀的压力调节特性影响较大，设计节流管汇时应考虑排量问题。
- 控制压力钻井 /
- 节流管汇 /
- 节流阀 /
- 钻井液流量 /
- 压力控制
Abstract: In modern managed pressure drilling operation,automatic choke manifold is used to provide and control wellhead back pressure so as to control formation pressure.Due to the nonlinear relationship between regulating pressure and choke valve opening,it is difficult to adjust the choke valve accurately by a single choke valve within the scope of full opening in conventional choke manifold.In order to enhance controlling precision,the corresponding relation of pressure regulation performance and flow rate was established based on the three working states of choke valve,the model of pressure regulation performance was also developed.By analyzing the pressure adjusting precision and the effect of flow rate on pressure regulation performance,it is considered that pressure regulation performance of choke valve is somewhat non-linear,optimization of valve core can increase its effective working range,but it can’t eliminate super-adjusting scope,the flow rate of drilling fluids has a great effect on pressure regulation performance of choke valve,the flow rate should be paid great attention when designing the choke manifold.
- managed pressure drilling /
- choke manifold /
- choke valve /
- flow rate of drilling fluid /
- pressure control

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参考文献(13)

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施引文献(10)

期刊类型引用(5)

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2.	鲍煜，陈江平，叶见平. 靖边气田常规控压钻井技术实施及应用. 化工设计通讯. 2018(10): 243 . 百度学术
3.	郗凤亮，徐朝阳，马金山，齐金涛，徐海潮. 控压钻井自动分流管汇系统设计与数值模拟研究. 石油钻探技术. 2017(05): 23-29 . 本站查看
4.	张华卫，郭京华，庞小旺，赵向阳，赵国权. YD油田Y26ST井控制压力钻井技术. 石油钻探技术. 2015(03): 35-40 . 本站查看
5.	张涛，柳贡慧，孟振期，曹友好，郭雪利. 控压钻井复合型节流管汇压力控制机制研究. 钻采工艺. 2014(04): 36-38+3 . 百度学术

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文章访问数: 2860
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控压钻井自动节流管汇压力调节特性研究

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Pressure Regulation Characteristics of Automatic Choke Manifold in Managed Pressure Drilling

期刊类型引用(5)

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