CN204252924U - 一种油田用抽油杆防喷器 - Google Patents
一种油田用抽油杆防喷器 Download PDFInfo
- Publication number
- CN204252924U CN204252924U CN201420699780.9U CN201420699780U CN204252924U CN 204252924 U CN204252924 U CN 204252924U CN 201420699780 U CN201420699780 U CN 201420699780U CN 204252924 U CN204252924 U CN 204252924U
- Authority
- CN
- China
- Prior art keywords
- sucker rod
- nut
- sealing
- boss
- sealed
- 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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- Sealing Devices (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420699780.9U CN204252924U (zh) | 2014-11-20 | 2014-11-20 | 一种油田用抽油杆防喷器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420699780.9U CN204252924U (zh) | 2014-11-20 | 2014-11-20 | 一种油田用抽油杆防喷器 |
Publications (1)
Publication Number | Publication Date |
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CN204252924U true CN204252924U (zh) | 2015-04-08 |
Family
ID=52957244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420699780.9U Expired - Fee Related CN204252924U (zh) | 2014-11-20 | 2014-11-20 | 一种油田用抽油杆防喷器 |
Country Status (1)
Country | Link |
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CN (1) | CN204252924U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114961627A (zh) * | 2022-05-11 | 2022-08-30 | 江苏恒达机械制造有限公司 | 一种井口防喷器 |
-
2014
- 2014-11-20 CN CN201420699780.9U patent/CN204252924U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114961627A (zh) * | 2022-05-11 | 2022-08-30 | 江苏恒达机械制造有限公司 | 一种井口防喷器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Hao Jianguang Inventor after: Zhang Jianbin Inventor after: Chen Hao Inventor after: Zhang Bo Inventor after: Huang Heping Inventor after: Zhang Yang Inventor after: Wang Jitang Inventor after: Zhang Hongbin Inventor after: Xu Shaojie Inventor after: Li Hu Inventor after: Xu Haibo Inventor after: Zhao Bin Inventor before: Zhang Yang Inventor before: Wang Jitang Inventor before: Zhang Bo Inventor before: Hao Jianguang Inventor before: Gao Dagong Inventor before: Li Hu Inventor before: Zhang Hongbin Inventor before: Lu Yanli Inventor before: Li Qingzheng Inventor before: Xu Bo Inventor before: Zhang Xueling |
|
COR | Change of bibliographic data | ||
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: 20150408 Termination date: 20181120 |