CN2625555Y - 一种分支井井眼重入工具 - Google Patents
一种分支井井眼重入工具 Download PDFInfo
- Publication number
- CN2625555Y CN2625555Y CN 03241554 CN03241554U CN2625555Y CN 2625555 Y CN2625555 Y CN 2625555Y CN 03241554 CN03241554 CN 03241554 CN 03241554 U CN03241554 U CN 03241554U CN 2625555 Y CN2625555 Y CN 2625555Y
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- Prior art keywords
- connecting rod
- guide
- well
- baffle ring
- spring
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Application Number | Priority Date | Filing Date | Title |
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CN 03241554 CN2625555Y (zh) | 2003-03-18 | 2003-03-18 | 一种分支井井眼重入工具 |
Applications Claiming Priority (1)
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CN 03241554 CN2625555Y (zh) | 2003-03-18 | 2003-03-18 | 一种分支井井眼重入工具 |
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CN2625555Y true CN2625555Y (zh) | 2004-07-14 |
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CN 03241554 Expired - Lifetime CN2625555Y (zh) | 2003-03-18 | 2003-03-18 | 一种分支井井眼重入工具 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100449110C (zh) * | 2005-12-30 | 2009-01-07 | 中国海洋石油总公司 | 分支井窗口连接装置及其连接方法 |
CN101787855A (zh) * | 2010-03-11 | 2010-07-28 | 中国石油集团川庆钻探工程有限公司 | 多分支井后期作业管柱重入装置 |
-
2003
- 2003-03-18 CN CN 03241554 patent/CN2625555Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100449110C (zh) * | 2005-12-30 | 2009-01-07 | 中国海洋石油总公司 | 分支井窗口连接装置及其连接方法 |
CN101787855A (zh) * | 2010-03-11 | 2010-07-28 | 中国石油集团川庆钻探工程有限公司 | 多分支井后期作业管柱重入装置 |
CN101787855B (zh) * | 2010-03-11 | 2012-11-21 | 中国石油集团川庆钻探工程有限公司 | 多分支井后期作业管柱重入装置 |
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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: 20130318 Granted publication date: 20040714 |