CN207111010U - 一种海洋模块钻机专用通道式多功能管箱 - Google Patents
一种海洋模块钻机专用通道式多功能管箱 Download PDFInfo
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107435524A (zh) * | 2017-07-20 | 2017-12-05 | 中国海洋石油总公司 | 一种海洋模块钻机专用通道式多功能管箱 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107435524A (zh) * | 2017-07-20 | 2017-12-05 | 中国海洋石油总公司 | 一种海洋模块钻机专用通道式多功能管箱 |
CN107435524B (zh) * | 2017-07-20 | 2023-07-04 | 中国海洋石油集团有限公司 | 一种海洋模块钻机专用通道式多功能管箱 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Energy development equipment technology Co., Ltd of CNOOC Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC Energy Development Co., Ltd. Patentee before: China National Offshore Oil Corporation Co-patentee before: Energy development equipment technology Co., Ltd of CNOOC |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20190720 |
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CF01 | Termination of patent right due to non-payment of annual fee |