CN203223199U - 能够不占用井口实现水下井口帽安装的专用吊装工具 - Google Patents
能够不占用井口实现水下井口帽安装的专用吊装工具 Download PDFInfo
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CN103206177A (zh) * | 2013-04-10 | 2013-07-17 | 中国海洋石油总公司 | 能够不占用井口实现水下井口帽安装的方法及其吊装工具 |
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CN103206177A (zh) * | 2013-04-10 | 2013-07-17 | 中国海洋石油总公司 | 能够不占用井口实现水下井口帽安装的方法及其吊装工具 |
CN103206177B (zh) * | 2013-04-10 | 2015-12-09 | 中国海洋石油总公司 | 能够不占用井口实现水下井口帽安装的方法及其吊装工具 |
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C14 | Grant of patent or utility model | ||
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC (China) Limited Zhanjiang Branch Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 China oil tower, 25 Chaoyangmen North Street, Dongcheng District, Beijing Co-patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: China National Offshore Oil Corporation |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20200410 |