CN201963233U - 井口法兰倒扣器 - Google Patents
井口法兰倒扣器 Download PDFInfo
- Publication number
- CN201963233U CN201963233U CN2011200540798U CN201120054079U CN201963233U CN 201963233 U CN201963233 U CN 201963233U CN 2011200540798 U CN2011200540798 U CN 2011200540798U CN 201120054079 U CN201120054079 U CN 201120054079U CN 201963233 U CN201963233 U CN 201963233U
- Authority
- CN
- China
- Prior art keywords
- pipe
- hole
- pin
- torque arm
- outer tube
- 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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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200540798U CN201963233U (zh) | 2011-03-03 | 2011-03-03 | 井口法兰倒扣器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200540798U CN201963233U (zh) | 2011-03-03 | 2011-03-03 | 井口法兰倒扣器 |
Publications (1)
Publication Number | Publication Date |
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CN201963233U true CN201963233U (zh) | 2011-09-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011200540798U Expired - Lifetime CN201963233U (zh) | 2011-03-03 | 2011-03-03 | 井口法兰倒扣器 |
Country Status (1)
Country | Link |
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CN (1) | CN201963233U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109653698A (zh) * | 2019-01-15 | 2019-04-19 | 中国石油天然气股份有限公司 | 一种井口法兰上卸扣装置 |
CN110700787A (zh) * | 2018-07-10 | 2020-01-17 | 中国石油化工股份有限公司 | 一种井口扭矩缓释倒扣保护装置及方法及专用防扭杆 |
-
2011
- 2011-03-03 CN CN2011200540798U patent/CN201963233U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110700787A (zh) * | 2018-07-10 | 2020-01-17 | 中国石油化工股份有限公司 | 一种井口扭矩缓释倒扣保护装置及方法及专用防扭杆 |
CN109653698A (zh) * | 2019-01-15 | 2019-04-19 | 中国石油天然气股份有限公司 | 一种井口法兰上卸扣装置 |
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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: Zeng Liangjun Inventor after: Sun Lianhui Inventor after: Wang Zhonglin Inventor after: Tian Zhongtai Inventor after: Tian Limin Inventor after: Yin Lei Inventor after: Zhang Liangping Inventor after: Yao Hua Inventor after: Wang Tingting Inventor before: Zeng Liangping Inventor before: Sun Lianhui Inventor before: Wang Zhonglin Inventor before: Tian Zhongtai Inventor before: Tian Limin Inventor before: Yin Lei Inventor before: Zhang Liangping Inventor before: Yao Hua Inventor before: Wang Tingting |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZENG LIANGPING SUN LIANHUI WANG ZHONGLIN TIAN ZHONGTAI TIAN LIMIN YIN LEI ZHANG LIANGPING YAO HUA WANG TINGTING TO: ZENG LIANGJUN SUN LIANHUI WANG ZHONGLIN TIAN ZHONGTAI TIAN LIMIN YIN LEI ZHANG LIANGPING YAO HUA WANG TINGTING |
|
CX01 | Expiry of patent term |
Granted publication date: 20110907 |
|
CX01 | Expiry of patent term |