CN207245700U - 一种随钻湿连接抗压密封装置 - Google Patents
一种随钻湿连接抗压密封装置 Download PDFInfo
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- CN207245700U CN207245700U CN201721131290.9U CN201721131290U CN207245700U CN 207245700 U CN207245700 U CN 207245700U CN 201721131290 U CN201721131290 U CN 201721131290U CN 207245700 U CN207245700 U CN 207245700U
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CN201721131290.9U CN207245700U (zh) | 2017-09-05 | 2017-09-05 | 一种随钻湿连接抗压密封装置 |
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CN201721131290.9U CN207245700U (zh) | 2017-09-05 | 2017-09-05 | 一种随钻湿连接抗压密封装置 |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180601 Address after: 124010 office building of 0C01 Dong well logging company, Xinhua District, Xinglongtai District, Panjin, Liaoning, China Patentee after: China Petroleum Group logging Co.,Ltd. Liaohe branch Address before: 124010 Wenchang street, Bohai street, Xinglongtai District, Panjin, Liaoning. Patentee before: CNPC GREAT WALL DRILLING COMPANY LOGGING CO. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200930 Address after: 100032 Liupuwei, Xicheng District, Beijing Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA PETROLEUM LOGGING Co.,Ltd. Address before: 124010 office building of 0C01 Dong well logging company, Xinhua District, Xinglongtai District, Panjin, Liaoning, China Patentee before: China Petroleum Group logging Co.,Ltd. Liaohe branch |
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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: 20180417 Termination date: 20210905 |