CN201756943U - 一种油管桥塞 - Google Patents
一种油管桥塞 Download PDFInfo
- Publication number
- CN201756943U CN201756943U CN2010202810621U CN201020281062U CN201756943U CN 201756943 U CN201756943 U CN 201756943U CN 2010202810621 U CN2010202810621 U CN 2010202810621U CN 201020281062 U CN201020281062 U CN 201020281062U CN 201756943 U CN201756943 U CN 201756943U
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- CN
- China
- Prior art keywords
- core pipe
- oil pipe
- fixture
- overcoat
- bridging plug
- 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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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010202810621U CN201756943U (zh) | 2010-08-03 | 2010-08-03 | 一种油管桥塞 |
Applications Claiming Priority (1)
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CN2010202810621U CN201756943U (zh) | 2010-08-03 | 2010-08-03 | 一种油管桥塞 |
Publications (1)
Publication Number | Publication Date |
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CN201756943U true CN201756943U (zh) | 2011-03-09 |
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CN2010202810621U Expired - Lifetime CN201756943U (zh) | 2010-08-03 | 2010-08-03 | 一种油管桥塞 |
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CN (1) | CN201756943U (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102539078A (zh) * | 2012-02-17 | 2012-07-04 | 中国石油天然气股份有限公司 | 分体式可重复试验装置 |
CN103114825A (zh) * | 2013-02-06 | 2013-05-22 | 中国石油化工股份有限公司 | 一种复合材料卡瓦及其制作方法 |
CN104074491A (zh) * | 2014-07-09 | 2014-10-01 | 中国石油集团渤海钻探工程有限公司 | 油管桥塞 |
CN108412475A (zh) * | 2018-05-11 | 2018-08-17 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | 一种压裂桥塞 |
-
2010
- 2010-08-03 CN CN2010202810621U patent/CN201756943U/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102539078A (zh) * | 2012-02-17 | 2012-07-04 | 中国石油天然气股份有限公司 | 分体式可重复试验装置 |
CN102539078B (zh) * | 2012-02-17 | 2014-09-03 | 中国石油天然气股份有限公司 | 分体式可重复试验装置 |
CN103114825A (zh) * | 2013-02-06 | 2013-05-22 | 中国石油化工股份有限公司 | 一种复合材料卡瓦及其制作方法 |
CN103114825B (zh) * | 2013-02-06 | 2016-08-03 | 中国石油化工股份有限公司 | 一种复合材料卡瓦及其制作方法 |
CN104074491A (zh) * | 2014-07-09 | 2014-10-01 | 中国石油集团渤海钻探工程有限公司 | 油管桥塞 |
CN108412475A (zh) * | 2018-05-11 | 2018-08-17 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | 一种压裂桥塞 |
CN108412475B (zh) * | 2018-05-11 | 2024-06-11 | 中国石油化工股份有限公司 | 一种压裂桥塞 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOP-WELL PETROLEUM TECHNOLOGIES COMPANY LTD. Free format text: FORMER OWNER: BEIJING TOP-WELL PETROLEUM TECHNOLOGIES SERVICE COMPANY LTD. Effective date: 20121114 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121114 Address after: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee after: Top-Well Petroleum Technologies Company Ltd. Address before: 100012, room 32, security building, 2101 Beiyuan Road, Beijing, Chaoyang District Patentee before: Top Well Services Inc. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110309 |