CN2654847Y - 套管外封隔器 - Google Patents
套管外封隔器 Download PDFInfo
- Publication number
- CN2654847Y CN2654847Y CN 200320124505 CN200320124505U CN2654847Y CN 2654847 Y CN2654847 Y CN 2654847Y CN 200320124505 CN200320124505 CN 200320124505 CN 200320124505 U CN200320124505 U CN 200320124505U CN 2654847 Y CN2654847 Y CN 2654847Y
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- CN
- China
- Prior art keywords
- valve
- hoop
- holes
- lock
- expansion limiting
- 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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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200320124505 CN2654847Y (zh) | 2003-11-11 | 2003-11-11 | 套管外封隔器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200320124505 CN2654847Y (zh) | 2003-11-11 | 2003-11-11 | 套管外封隔器 |
Publications (1)
Publication Number | Publication Date |
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CN2654847Y true CN2654847Y (zh) | 2004-11-10 |
Family
ID=34349020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200320124505 Expired - Lifetime CN2654847Y (zh) | 2003-11-11 | 2003-11-11 | 套管外封隔器 |
Country Status (1)
Country | Link |
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CN (1) | CN2654847Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102747979A (zh) * | 2012-08-01 | 2012-10-24 | 山东胜油固井工程技术有限公司 | 双向自锁式套管外封隔器 |
CN105781478A (zh) * | 2016-04-06 | 2016-07-20 | 大庆昊运橡胶制品有限公司 | 一种无限压液力膨胀式套管外封隔器总成 |
-
2003
- 2003-11-11 CN CN 200320124505 patent/CN2654847Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102747979A (zh) * | 2012-08-01 | 2012-10-24 | 山东胜油固井工程技术有限公司 | 双向自锁式套管外封隔器 |
CN105781478A (zh) * | 2016-04-06 | 2016-07-20 | 大庆昊运橡胶制品有限公司 | 一种无限压液力膨胀式套管外封隔器总成 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081212 Address after: Hongyan Karamay Road, the Xinjiang Uygur Autonomous Region No. 80, zip code: 834000 Patentee after: Western Drilling Kelamayi Drilling Technology Institute Address before: Hongyan Karamay Road, the Xinjiang Uygur Autonomous Region No. 80, zip code: 834000 Patentee before: Research Inst of Drilling Technology, Xinjiang Petroleum Administration |
|
ASS | Succession or assignment of patent right |
Owner name: WEST DRILLING KARAMAY DRILLING CRAFT RESEARCH INST Free format text: FORMER OWNER: DRILLING WELL TECHNOLOGY INSTITUTE, PETROLEUM ADMINISTRATION BUREAU, XINJIANG Effective date: 20081212 |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20131111 Granted publication date: 20041110 |