CN203769712U - 复合材料快速可钻封隔器 - Google Patents
复合材料快速可钻封隔器 Download PDFInfo
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- CN203769712U CN203769712U CN201420038614.4U CN201420038614U CN203769712U CN 203769712 U CN203769712 U CN 203769712U CN 201420038614 U CN201420038614 U CN 201420038614U CN 203769712 U CN203769712 U CN 203769712U
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CN201420038614.4U CN203769712U (zh) | 2014-01-21 | 2014-01-21 | 复合材料快速可钻封隔器 |
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CN201420038614.4U CN203769712U (zh) | 2014-01-21 | 2014-01-21 | 复合材料快速可钻封隔器 |
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CN203769712U true CN203769712U (zh) | 2014-08-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105756616A (zh) * | 2014-12-17 | 2016-07-13 | 中国石油天然气股份有限公司 | 桥塞组件 |
CN112031699A (zh) * | 2020-09-17 | 2020-12-04 | 中国石油天然气股份有限公司 | 一种用于井下工具的可快速磨铣卡瓦组件 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105756616A (zh) * | 2014-12-17 | 2016-07-13 | 中国石油天然气股份有限公司 | 桥塞组件 |
CN112031699A (zh) * | 2020-09-17 | 2020-12-04 | 中国石油天然气股份有限公司 | 一种用于井下工具的可快速磨铣卡瓦组件 |
CN112031699B (zh) * | 2020-09-17 | 2022-07-19 | 中国石油天然气股份有限公司 | 一种用于井下工具的可快速磨铣卡瓦组件 |
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Legal Events
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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: 20161214 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC Energy Technology Co., Ltd. Address before: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Energy Technology Co., Ltd. Patentee before: CNOOC Energy Technology & Sevices-Supervision &Technology Co. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170121 |
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CF01 | Termination of patent right due to non-payment of annual fee |