CN101839117B - 环空安全阀 - Google Patents
环空安全阀 Download PDFInfo
- Publication number
- CN101839117B CN101839117B CN201010160360.XA CN201010160360A CN101839117B CN 101839117 B CN101839117 B CN 101839117B CN 201010160360 A CN201010160360 A CN 201010160360A CN 101839117 B CN101839117 B CN 101839117B
- Authority
- CN
- China
- Prior art keywords
- annulus
- upper body
- piston
- safety valve
- turn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010160360.XA CN101839117B (zh) | 2010-04-21 | 2010-04-21 | 环空安全阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010160360.XA CN101839117B (zh) | 2010-04-21 | 2010-04-21 | 环空安全阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101839117A CN101839117A (zh) | 2010-09-22 |
CN101839117B true CN101839117B (zh) | 2014-04-02 |
Family
ID=42742752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010160360.XA Expired - Fee Related CN101839117B (zh) | 2010-04-21 | 2010-04-21 | 环空安全阀 |
Country Status (1)
Country | Link |
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CN (1) | CN101839117B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103147714B (zh) * | 2013-03-05 | 2015-06-17 | 中国海洋石油总公司 | 一种用于电潜泵采油井中的环空安全装置 |
CN104499994B (zh) * | 2015-01-08 | 2017-11-24 | 湖南唯科拓石油科技服务有限公司 | 一种环空液压控制安全阀 |
CN104895528B (zh) * | 2015-06-19 | 2017-07-25 | 上海优强石油科技有限公司 | 双管安全阀 |
CN105840184B (zh) * | 2016-06-14 | 2022-11-29 | 西安石油大学 | 一种针对深海海底井口的环空压力监测及控制装置及方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2742125Y (zh) * | 2004-11-04 | 2005-11-23 | 金显军 | 液控油套开关阀 |
CN2811555Y (zh) * | 2005-06-03 | 2006-08-30 | 黄学忠 | 自控式井下双向高压安全防喷阀 |
GB2424435A (en) * | 2005-03-23 | 2006-09-27 | Weatherford Lamb | Downhole safety valve |
GB2431423A (en) * | 2003-09-24 | 2007-04-25 | Weatherford Lamb | Safety valve |
CN2926489Y (zh) * | 2006-06-06 | 2007-07-25 | 新疆石油管理局钻井工艺研究院 | 一种井下安全阀 |
CN201071705Y (zh) * | 2007-08-31 | 2008-06-11 | 胡定清 | 一种井下安全阀 |
CN201202438Y (zh) * | 2008-04-24 | 2009-03-04 | 中国海洋石油总公司 | 杆驱螺杆泵杆管安全阀 |
CN201687435U (zh) * | 2010-04-21 | 2010-12-29 | 中国石油化工股份有限公司 | 环空安全阀 |
-
2010
- 2010-04-21 CN CN201010160360.XA patent/CN101839117B/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2431423A (en) * | 2003-09-24 | 2007-04-25 | Weatherford Lamb | Safety valve |
CN2742125Y (zh) * | 2004-11-04 | 2005-11-23 | 金显军 | 液控油套开关阀 |
GB2424435A (en) * | 2005-03-23 | 2006-09-27 | Weatherford Lamb | Downhole safety valve |
CN2811555Y (zh) * | 2005-06-03 | 2006-08-30 | 黄学忠 | 自控式井下双向高压安全防喷阀 |
CN2926489Y (zh) * | 2006-06-06 | 2007-07-25 | 新疆石油管理局钻井工艺研究院 | 一种井下安全阀 |
CN201071705Y (zh) * | 2007-08-31 | 2008-06-11 | 胡定清 | 一种井下安全阀 |
CN201202438Y (zh) * | 2008-04-24 | 2009-03-04 | 中国海洋石油总公司 | 杆驱螺杆泵杆管安全阀 |
CN201687435U (zh) * | 2010-04-21 | 2010-12-29 | 中国石油化工股份有限公司 | 环空安全阀 |
Also Published As
Publication number | Publication date |
---|---|
CN101839117A (zh) | 2010-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Jiang Guangbin Inventor after: Li Gan Inventor after: Li Changyou Inventor after: Zheng Jinzhong Inventor after: Chen Wei Inventor after: Jiang Daoyong Inventor after: Zhang Guoyu Inventor after: Xu Lingling Inventor before: Jiang Guangbin Inventor before: Li Gan Inventor before: Li Chang Inventor before: Zheng Jinzhong Inventor before: Chen Wei Inventor before: Jiang Daoyong Inventor before: Zhang Guoyu Inventor before: Xu Lingling |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIANG GUANGBIN LI GAN LI CHANG ZHENG JINZHONG CHEN WEI JIANG DAOYONG ZHANGGUOYU XU LINGLING TO: JIANG GUANGBIN LI GAN LI CHANGYOU ZHENG JINZHONG CHEN WEI JIANG DAOYONG ZHANG GUOYU XU LINGLING |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20150421 |
|
EXPY | Termination of patent right or utility model |