CN201202438Y - 杆驱螺杆泵杆管安全阀 - Google Patents
杆驱螺杆泵杆管安全阀 Download PDFInfo
- Publication number
- CN201202438Y CN201202438Y CNU2008200801743U CN200820080174U CN201202438Y CN 201202438 Y CN201202438 Y CN 201202438Y CN U2008200801743 U CNU2008200801743 U CN U2008200801743U CN 200820080174 U CN200820080174 U CN 200820080174U CN 201202438 Y CN201202438 Y CN 201202438Y
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- rod
- safety valve
- screw pump
- top connection
- sucker rod
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200801743U CN201202438Y (zh) | 2008-04-24 | 2008-04-24 | 杆驱螺杆泵杆管安全阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200801743U CN201202438Y (zh) | 2008-04-24 | 2008-04-24 | 杆驱螺杆泵杆管安全阀 |
Publications (1)
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CN201202438Y true CN201202438Y (zh) | 2009-03-04 |
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CNU2008200801743U Expired - Fee Related CN201202438Y (zh) | 2008-04-24 | 2008-04-24 | 杆驱螺杆泵杆管安全阀 |
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CN (1) | CN201202438Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101839117A (zh) * | 2010-04-21 | 2010-09-22 | 中国石油化工股份有限公司 | 环空安全阀 |
CN113915385A (zh) * | 2020-07-10 | 2022-01-11 | 中国海洋石油集团有限公司 | 一种有杆泵高温井下安全阀阀板密封装置及其工作方法 |
CN110821438B (zh) * | 2019-12-09 | 2024-04-05 | 天津轻工职业技术学院 | 用于杆驱螺杆泵采油系统的防喷装置 |
-
2008
- 2008-04-24 CN CNU2008200801743U patent/CN201202438Y/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101839117A (zh) * | 2010-04-21 | 2010-09-22 | 中国石油化工股份有限公司 | 环空安全阀 |
CN101839117B (zh) * | 2010-04-21 | 2014-04-02 | 中国石油化工股份有限公司 | 环空安全阀 |
CN110821438B (zh) * | 2019-12-09 | 2024-04-05 | 天津轻工职业技术学院 | 用于杆驱螺杆泵采油系统的防喷装置 |
CN113915385A (zh) * | 2020-07-10 | 2022-01-11 | 中国海洋石油集团有限公司 | 一种有杆泵高温井下安全阀阀板密封装置及其工作方法 |
CN113915385B (zh) * | 2020-07-10 | 2023-07-28 | 中国海洋石油集团有限公司 | 一种有杆泵高温井下安全阀阀板密封装置及其工作方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: No. 25 North Street, Chaoyangmen, Beijing, Dongcheng District: 100010 Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China National Offshore Oil Corporation Address before: No. 25 North Street, Chaoyangmen, Beijing, Dongcheng District: 100010 Co-patentee before: CNOOC Oil Base Group Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20160424 |