CN104213845B - 液压释放伸缩管 - Google Patents
液压释放伸缩管 Download PDFInfo
- Publication number
- CN104213845B CN104213845B CN201310206773.0A CN201310206773A CN104213845B CN 104213845 B CN104213845 B CN 104213845B CN 201310206773 A CN201310206773 A CN 201310206773A CN 104213845 B CN104213845 B CN 104213845B
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- CN
- China
- Prior art keywords
- sliding sleeve
- outer tube
- wall
- tube
- release sliding
- 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.)
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Abstract
Description
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310206773.0A CN104213845B (zh) | 2013-05-29 | 2013-05-29 | 液压释放伸缩管 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310206773.0A CN104213845B (zh) | 2013-05-29 | 2013-05-29 | 液压释放伸缩管 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104213845A CN104213845A (zh) | 2014-12-17 |
| CN104213845B true CN104213845B (zh) | 2016-08-24 |
Family
ID=52095715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310206773.0A Active CN104213845B (zh) | 2013-05-29 | 2013-05-29 | 液压释放伸缩管 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104213845B (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091058B (zh) * | 2017-07-04 | 2023-09-15 | 唐山冀东石油机械有限责任公司 | 可传递扭矩的液控启动式伸缩管 |
| CN114109273B (zh) * | 2020-08-26 | 2024-04-19 | 中国石油化工股份有限公司 | 一种用于稠油热采井的安全装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603393A (en) * | 1969-10-03 | 1971-09-07 | Camco Inc | High pressure well mandrel |
| CN201062505Y (zh) * | 2007-02-15 | 2008-05-21 | 孔利生 | 空心悬挂丢手桥塞 |
| CN101550815B (zh) * | 2009-04-08 | 2012-05-30 | 中国石油天然气股份有限公司 | 一种封堵油管的桥塞 |
| CN202215177U (zh) * | 2011-09-08 | 2012-05-09 | 中国石油化工股份有限公司 | 水平井套管补贴加固工具 |
| CN102733760A (zh) * | 2012-07-09 | 2012-10-17 | 中国海洋石油总公司 | 注水井用可防止层间管柱蠕动的定压释放伸缩工具 |
| CN203296709U (zh) * | 2013-05-29 | 2013-11-20 | 上海优强石油科技有限公司 | 液压释放伸缩管 |
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2013
- 2013-05-29 CN CN201310206773.0A patent/CN104213845B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104213845A (zh) | 2014-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hydraulic release telescopic tube Granted publication date: 20160824 Pledgee: Industrial Bank Co.,Ltd. Shanghai Nanhui Branch Pledgor: SHANGHAI EXTRONG OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2024310000017 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160824 Pledgee: Industrial Bank Co.,Ltd. Shanghai Nanhui Branch Pledgor: SHANGHAI EXTRONG OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2024310000017 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |