CN102817584A - 全通径井下安全阀 - Google Patents
全通径井下安全阀 Download PDFInfo
- Publication number
- CN102817584A CN102817584A CN2012100377545A CN201210037754A CN102817584A CN 102817584 A CN102817584 A CN 102817584A CN 2012100377545 A CN2012100377545 A CN 2012100377545A CN 201210037754 A CN201210037754 A CN 201210037754A CN 102817584 A CN102817584 A CN 102817584A
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- CN
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- Prior art keywords
- joint
- urceolus
- valve
- sliding sleeve
- valve seat
- 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.)
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Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210037754.5A CN102817584B (zh) | 2012-02-20 | 2012-02-20 | 全通径井下安全阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210037754.5A CN102817584B (zh) | 2012-02-20 | 2012-02-20 | 全通径井下安全阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102817584A true CN102817584A (zh) | 2012-12-12 |
CN102817584B CN102817584B (zh) | 2015-03-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210037754.5A Expired - Fee Related CN102817584B (zh) | 2012-02-20 | 2012-02-20 | 全通径井下安全阀 |
Country Status (1)
Country | Link |
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CN (1) | CN102817584B (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2252883Y (zh) * | 1996-02-27 | 1997-04-23 | 大庆石油管理局采油工艺研究所 | 油田井下作业用的活门 |
CN201074502Y (zh) * | 2007-08-27 | 2008-06-18 | 中国石油天然气集团公司 | 双阀板式井下安全阀 |
US20090020290A1 (en) * | 2007-07-16 | 2009-01-22 | Bj Services Company | Frangible flapper valve with hydraulic impact sleeve |
US20090065212A1 (en) * | 2007-09-06 | 2009-03-12 | Schlumberger Technology Corporation | Lubricator valve |
CN201439700U (zh) * | 2009-06-27 | 2010-04-21 | 大庆油田有限责任公司 | 防喷工作阀筒 |
CN201521281U (zh) * | 2009-09-25 | 2010-07-07 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | 一种安全阀 |
-
2012
- 2012-02-20 CN CN201210037754.5A patent/CN102817584B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2252883Y (zh) * | 1996-02-27 | 1997-04-23 | 大庆石油管理局采油工艺研究所 | 油田井下作业用的活门 |
US20090020290A1 (en) * | 2007-07-16 | 2009-01-22 | Bj Services Company | Frangible flapper valve with hydraulic impact sleeve |
CN201074502Y (zh) * | 2007-08-27 | 2008-06-18 | 中国石油天然气集团公司 | 双阀板式井下安全阀 |
US20090065212A1 (en) * | 2007-09-06 | 2009-03-12 | Schlumberger Technology Corporation | Lubricator valve |
CN201439700U (zh) * | 2009-06-27 | 2010-04-21 | 大庆油田有限责任公司 | 防喷工作阀筒 |
CN201521281U (zh) * | 2009-09-25 | 2010-07-07 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | 一种安全阀 |
Also Published As
Publication number | Publication date |
---|---|
CN102817584B (zh) | 2015-03-11 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HUNAN GANGTUO ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHANGSHA GANGTUO ENERGY TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 410000 Hunan province city Changsha Yingpan Road No. 108 building room 922 Lingyu Patentee after: Hunan Gang Tuo Energy Science Co., Ltd Address before: 410000 Hunan province city Changsha Yingpan Road No. 108 building room 922 Lingyu Patentee before: Changsha Gangtuo Energy Technology Co., Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: 410008 Xiangjiang Road, Hunan province Changsha Kaifu District, three No. 1200 Beichen Delta D3 District 1 building 4001 room Patentee after: Hunan Gang Tuo Energy Science Co., Ltd Address before: 410000 Hunan province city Changsha Yingpan Road No. 108 building room 922 Lingyu Patentee before: Hunan Gang Tuo Energy Science Co., Ltd |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20210220 |
|
CF01 | Termination of patent right due to non-payment of annual fee |