CN202731823U - 海洋深水钻井用套管挂和密封下放工具 - Google Patents
海洋深水钻井用套管挂和密封下放工具 Download PDFInfo
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102877810A (zh) * | 2012-09-05 | 2013-01-16 | 中国石油大学(华东) | 海洋深水钻井用套管挂和密封下放工具 |
CN105041248A (zh) * | 2015-09-30 | 2015-11-11 | 中国石油大学(华东) | 一种深水钻井表层导管送入工具 |
CN106555560A (zh) * | 2016-04-01 | 2017-04-05 | 中国石油大学(华东) | 一种水下套管挂和密封总成下放工具 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102877810A (zh) * | 2012-09-05 | 2013-01-16 | 中国石油大学(华东) | 海洋深水钻井用套管挂和密封下放工具 |
CN102877810B (zh) * | 2012-09-05 | 2015-05-27 | 中国石油大学(华东) | 海洋深水钻井用套管挂和密封下放工具 |
CN105041248A (zh) * | 2015-09-30 | 2015-11-11 | 中国石油大学(华东) | 一种深水钻井表层导管送入工具 |
CN106555560A (zh) * | 2016-04-01 | 2017-04-05 | 中国石油大学(华东) | 一种水下套管挂和密封总成下放工具 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Xiao Wensheng Inventor after: Li Xuran Inventor after: Hou Chao Inventor after: Qin Haozhi Inventor before: Li Xuran Inventor before: Xiao Wensheng Inventor before: Yang Xiangxiang |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI XURAN XIAO WENSHENG YANG XIANGXIANG TO: XIAO WENSHENG LI XURAN HOU CHAOQIN HAOZHI |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130905 |