CN201155315Y - 海上钻井用隔水导管座挂密封装置 - Google Patents
海上钻井用隔水导管座挂密封装置 Download PDFInfo
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- CN201155315Y CN201155315Y CNU2008200791135U CN200820079113U CN201155315Y CN 201155315 Y CN201155315 Y CN 201155315Y CN U2008200791135 U CNU2008200791135 U CN U2008200791135U CN 200820079113 U CN200820079113 U CN 200820079113U CN 201155315 Y CN201155315 Y CN 201155315Y
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CNU2008200791135U CN201155315Y (zh) | 2008-02-19 | 2008-02-19 | 海上钻井用隔水导管座挂密封装置 |
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CNU2008200791135U CN201155315Y (zh) | 2008-02-19 | 2008-02-19 | 海上钻井用隔水导管座挂密封装置 |
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CN201155315Y true CN201155315Y (zh) | 2008-11-26 |
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CNU2008200791135U Expired - Fee Related CN201155315Y (zh) | 2008-02-19 | 2008-02-19 | 海上钻井用隔水导管座挂密封装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108071357A (zh) * | 2017-12-12 | 2018-05-25 | 中国海洋石油集团有限公司 | 一种海上钻井用隔水导管提升装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108071357A (zh) * | 2017-12-12 | 2018-05-25 | 中国海洋石油集团有限公司 | 一种海上钻井用隔水导管提升装置 |
CN108071357B (zh) * | 2017-12-12 | 2019-04-26 | 中国海洋石油集团有限公司 | 一种海上钻井用隔水导管提升装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: Oil Mansion, No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen 100010, China Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China National Offshore Oil Corporation Address before: Beijing City, Dongcheng District Chaoyangmen No. 25 North Street, building, zip code: 100010 Co-patentee before: CNOOC Oil Base Group Co., Ltd. Patentee before: China National Offshore Oil Corporation |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20160219 |
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CF01 | Termination of patent right due to non-payment of annual fee |