|本期目录/Table of Contents|

[1]黎伟,宋伟,宋金丽,等.电机驱动式井下环空防喷器的研制及密封性能分析[J].中国安全生产科学技术,2016,12(11):100-106.[doi:10.11731/j.issn.1673-193x.2016.11.017]
 LI Wei,SONG Wei,SONG Jinli,et al.Design and sealing performance analysis of motor-driven downhole annular blowout preventer[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(11):100-106.[doi:10.11731/j.issn.1673-193x.2016.11.017]
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电机驱动式井下环空防喷器的研制及密封性能分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年11期
页码:
100-106
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-11-30

文章信息/Info

Title:
Design and sealing performance analysis of motor-driven downhole annular blowout preventer
文章编号:
1673-193X(2016)-11-0100-07
作者:
黎伟12宋伟12宋金丽12黎宗琪3雷鸿翔12范俊强4
(1.西南石油大学 机电工程学院,四川 成都 610500;2.西南石油大学 石油天然气装备教育部重点实验室, 四川 成都 610500;3.中国石油川庆钻探工程有限公司 井下作业公司,四川 成都 610051; 4.中石油渤海钻探油气井测试分公司,河北 廊坊 065000)
Author(s):
LI Wei12 SONG Wei12 SONG Jinli12 LI Zongqi3 LEI Hongxiang12 FAN Junqiang4
(1. School of Mechatronic Engineering, Southwest Petroleum University, Chengdu Sichuan 610500, China; 2. Key Laboratory of Oil & Gas Equipment, Ministry of Education, Southwest Petroleum University, Chengdu Sichuan 610500, China; 3. Downhole O
关键词:
井下防喷器胶筒密封井喷
Keywords:
downhole blowout preventer packer element sealing blowout
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2016.11.017
文献标志码:
A
摘要:
针对钻井工艺的复杂性及井型、井段的适应性,研制了一种电机驱动式井下环空防喷器,对其结构、控制方式、工作原理进行了介绍;采用有限元的方法对胶筒座封过程中胶筒与套管不同间距的情况进行仿真分析,得到了胶筒的应力变化规律及“快速密封”的座封方式;利用防喷器实验台架模拟井下溢流的方法测得此防喷器的最大封隔压差以及密封过程中的形态变化,测得硬度为90的胶筒在最大压缩量的时候可以封隔25 MPa压差。此电机驱动式井下环空防喷器结构简单,动作迅速,无需频繁起出钻柱进行防喷器更换,能够重复使用,降低总成本,具有较强的实用性。
Abstract:
Aiming at the complexity of drilling process and the adaptability of well type and well section, a motor- driven downhole annular blowout preventer was designed, and its structure, control mode and working principle were introduced. The situation of different spacing from packer element to casing in the process of down and seal the packer for the packer element was simulated and analyzed by using the finite element method, and the stress change rule of packer element and the "rapid sealing" way of down and seal the packer were obtained. The maximum packing differential pressure of the blowout preventer and its morphological change during the sealing process were measured by simulating the downhole overflow through the experiment bench of blowout preventer. It showed that the packer element with hardness of 90 can seal 25 MPa differential pressure when adopting the maximum amount of compression. The motor-driven downhole annular blowout preventer has simple structure and rapid action, without frequently tripping out to replace the blowout preventer. It can be reused and lower the total cost, and has strong practicability.

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备注/Memo

备注/Memo:
教育部重点实验室项目 (OGE201403-03);四川省科技计划项目(2015JY0078);四川省教育厅项目(14ZA0042)
更新日期/Last Update: 2017-01-04