CN201292938Y - 带导向筋的抽油泵泵阀 - Google Patents
带导向筋的抽油泵泵阀 Download PDFInfo
- Publication number
- CN201292938Y CN201292938Y CNU2008201238144U CN200820123814U CN201292938Y CN 201292938 Y CN201292938 Y CN 201292938Y CN U2008201238144 U CNU2008201238144 U CN U2008201238144U CN 200820123814 U CN200820123814 U CN 200820123814U CN 201292938 Y CN201292938 Y CN 201292938Y
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- valve
- pump
- oil pump
- ball
- oil well
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201238144U CN201292938Y (zh) | 2008-11-18 | 2008-11-18 | 带导向筋的抽油泵泵阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201238144U CN201292938Y (zh) | 2008-11-18 | 2008-11-18 | 带导向筋的抽油泵泵阀 |
Publications (1)
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CN201292938Y true CN201292938Y (zh) | 2009-08-19 |
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CNU2008201238144U Expired - Fee Related CN201292938Y (zh) | 2008-11-18 | 2008-11-18 | 带导向筋的抽油泵泵阀 |
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CN (1) | CN201292938Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103591015A (zh) * | 2012-09-10 | 2014-02-19 | 刘珍义 | 改良球阀 |
CN113027737A (zh) * | 2019-12-25 | 2021-06-25 | 中国石油天然气股份有限公司 | 抽油机井柱塞泵 |
-
2008
- 2008-11-18 CN CNU2008201238144U patent/CN201292938Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103591015A (zh) * | 2012-09-10 | 2014-02-19 | 刘珍义 | 改良球阀 |
CN113027737A (zh) * | 2019-12-25 | 2021-06-25 | 中国石油天然气股份有限公司 | 抽油机井柱塞泵 |
CN113027737B (zh) * | 2019-12-25 | 2023-04-07 | 中国石油天然气股份有限公司 | 抽油机井柱塞泵 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CNPC BOHAI PETROLEUM EQUIPMENT MANUFACTURING CO., Free format text: FORMER OWNER: XINSHIJI MACHINERY MANUFACTURING CO., LTD., DAGANG OIL FIELD GROUP Effective date: 20100903 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300280 HONGQI ROAD, DAGANG OILFIELD, TIANJIN CITY TO: 300280 CHUANGANG ROAD, DAGANG OILFIELD, DAGANG DISTRICT, TIANJIN CITY |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100903 Address after: 300280 Tianjin City, Grand Port Dagang Oilfield Sichuan Road Patentee after: CNPC Bohai Equipment Manufacturing Co., Ltd. Address before: 300280 Hongqi Road, Dagang Oilfield, Tianjin Patentee before: Xinshiji Machinery Building Co., Ltd., Dagang Oil Field Group |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20131118 |