CN205977166U - 气控井下封隔器 - Google Patents
气控井下封隔器 Download PDFInfo
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- CN205977166U CN205977166U CN201620788532.0U CN201620788532U CN205977166U CN 205977166 U CN205977166 U CN 205977166U CN 201620788532 U CN201620788532 U CN 201620788532U CN 205977166 U CN205977166 U CN 205977166U
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- main body
- gas
- oil pipe
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Application Number | Priority Date | Filing Date | Title |
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CN201620788532.0U CN205977166U (zh) | 2016-07-17 | 2016-07-17 | 气控井下封隔器 |
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CN201620788532.0U CN205977166U (zh) | 2016-07-17 | 2016-07-17 | 气控井下封隔器 |
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CN205977166U true CN205977166U (zh) | 2017-02-22 |
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CN201620788532.0U Expired - Fee Related CN205977166U (zh) | 2016-07-17 | 2016-07-17 | 气控井下封隔器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106194099A (zh) * | 2016-07-17 | 2016-12-07 | 李梦瑶 | 气控井下封隔器 |
CN107227945A (zh) * | 2017-08-11 | 2017-10-03 | 付吉平 | 气井分层开采、控制、测试的智能控制装置及控制方法 |
CN112664157A (zh) * | 2020-12-30 | 2021-04-16 | 核工业北京地质研究院 | 一种封隔器的压力调控装置及方法 |
-
2016
- 2016-07-17 CN CN201620788532.0U patent/CN205977166U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106194099A (zh) * | 2016-07-17 | 2016-12-07 | 李梦瑶 | 气控井下封隔器 |
CN107227945A (zh) * | 2017-08-11 | 2017-10-03 | 付吉平 | 气井分层开采、控制、测试的智能控制装置及控制方法 |
CN107227945B (zh) * | 2017-08-11 | 2019-12-10 | 东营市鑫吉石油技术有限公司 | 气井分层开采、控制、测试的智能控制装置及控制方法 |
CN112664157A (zh) * | 2020-12-30 | 2021-04-16 | 核工业北京地质研究院 | 一种封隔器的压力调控装置及方法 |
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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: Li Mengyao Inventor after: Sun Zhaobin Inventor after: Wang Yifeng Inventor after: He Xiaojun Inventor after: Fu Jiping Inventor before: Li Mengyao Inventor before: Sun Zhaobin Inventor before: He Xiaojun Inventor before: Fu Jiping |
|
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: 20170222 Termination date: 20210717 |