CN201883990U - 补偿式环形防喷装置 - Google Patents
补偿式环形防喷装置 Download PDFInfo
- Publication number
- CN201883990U CN201883990U CN2010206588480U CN201020658848U CN201883990U CN 201883990 U CN201883990 U CN 201883990U CN 2010206588480 U CN2010206588480 U CN 2010206588480U CN 201020658848 U CN201020658848 U CN 201020658848U CN 201883990 U CN201883990 U CN 201883990U
- Authority
- CN
- China
- Prior art keywords
- upper flange
- gum cover
- annular
- cylinder block
- blowout prevention
- 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 - Lifetime
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Abstract
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Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206588480U CN201883990U (zh) | 2010-12-14 | 2010-12-14 | 补偿式环形防喷装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010206588480U CN201883990U (zh) | 2010-12-14 | 2010-12-14 | 补偿式环形防喷装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201883990U true CN201883990U (zh) | 2011-06-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010206588480U Expired - Lifetime CN201883990U (zh) | 2010-12-14 | 2010-12-14 | 补偿式环形防喷装置 |
Country Status (1)
Country | Link |
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CN (1) | CN201883990U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159221A (zh) * | 2019-06-21 | 2019-08-23 | 中国石油化工集团有限公司 | 井口溢流收集装置 |
CN113530486A (zh) * | 2021-08-10 | 2021-10-22 | 江苏益马机械有限公司 | 一种采油井口密封结构 |
-
2010
- 2010-12-14 CN CN2010206588480U patent/CN201883990U/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110159221A (zh) * | 2019-06-21 | 2019-08-23 | 中国石油化工集团有限公司 | 井口溢流收集装置 |
CN110159221B (zh) * | 2019-06-21 | 2024-02-06 | 中国石油化工集团有限公司 | 井口溢流收集装置 |
CN113530486A (zh) * | 2021-08-10 | 2021-10-22 | 江苏益马机械有限公司 | 一种采油井口密封结构 |
CN113530486B (zh) * | 2021-08-10 | 2022-11-01 | 江苏益马机械有限公司 | 一种采油井口密封结构 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Sun Yongpeng Inventor after: Sun Hu Inventor after: Li Jucai Inventor after: Ma Nengping Inventor after: Chen Cunhui Inventor after: Li Zhizhong Inventor after: Gao Huaiwei Inventor after: Hu Huiting Inventor after: Lei Kuancheng Inventor before: Sun Yongpeng Inventor before: Sun Hu Inventor before: Li Jucai Inventor before: Ma Nengping Inventor before: Chen Cunhui Inventor before: Li Zhizhong Inventor before: Gao Huaiwei Inventor before: Hu Huiting Inventor before: Lei Kuancheng |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Yuxing Petroleum Machinery of New Technology Development Co., Ltd. Assignor: Lei Kuancheng Contract record no.: 2013610000018 Denomination of utility model: Compensation type annular blowout preventing device Granted publication date: 20110629 License type: Exclusive License Record date: 20130419 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110629 |