CN200964827Y - 一种欠平衡井下套管阀液压式强制打开工具 - Google Patents
一种欠平衡井下套管阀液压式强制打开工具 Download PDFInfo
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- CN200964827Y CN200964827Y CN 200620159078 CN200620159078U CN200964827Y CN 200964827 Y CN200964827 Y CN 200964827Y CN 200620159078 CN200620159078 CN 200620159078 CN 200620159078 U CN200620159078 U CN 200620159078U CN 200964827 Y CN200964827 Y CN 200964827Y
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CN 200620159078 CN200964827Y (zh) | 2006-11-08 | 2006-11-08 | 一种欠平衡井下套管阀液压式强制打开工具 |
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CN 200620159078 CN200964827Y (zh) | 2006-11-08 | 2006-11-08 | 一种欠平衡井下套管阀液压式强制打开工具 |
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CN200964827Y true CN200964827Y (zh) | 2007-10-24 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101818630A (zh) * | 2010-04-28 | 2010-09-01 | 金湖富源机械有限公司 | 机械式欠平衡井下套管阀 |
CN103790551A (zh) * | 2012-11-05 | 2014-05-14 | 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 | 一种机械式井下套管阀 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101818630A (zh) * | 2010-04-28 | 2010-09-01 | 金湖富源机械有限公司 | 机械式欠平衡井下套管阀 |
CN101818630B (zh) * | 2010-04-28 | 2012-09-05 | 金湖富源机械有限公司 | 机械式欠平衡井下套管阀 |
CN103790551A (zh) * | 2012-11-05 | 2014-05-14 | 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 | 一种机械式井下套管阀 |
CN103790551B (zh) * | 2012-11-05 | 2016-12-21 | 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 | 一种机械式井下套管阀 |
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Legal Events
Date | Code | Title | Description |
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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 |
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CX01 | Expiry of patent term |
Granted publication date: 20071024 |
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EXPY | Termination of patent right or utility model |