CN202926271U - 液压式井下降阻防粘振动器 - Google Patents
液压式井下降阻防粘振动器 Download PDFInfo
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- CN202926271U CN202926271U CN 201220537575 CN201220537575U CN202926271U CN 202926271 U CN202926271 U CN 202926271U CN 201220537575 CN201220537575 CN 201220537575 CN 201220537575 U CN201220537575 U CN 201220537575U CN 202926271 U CN202926271 U CN 202926271U
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CN 201220537575 CN202926271U (zh) | 2012-10-20 | 2012-10-20 | 液压式井下降阻防粘振动器 |
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CN 201220537575 CN202926271U (zh) | 2012-10-20 | 2012-10-20 | 液压式井下降阻防粘振动器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106677700A (zh) * | 2017-03-06 | 2017-05-17 | 中国石油集团钻井工程技术研究院 | 一种涡轮式连续管钻井双向振动减阻工具 |
CN112112557A (zh) * | 2020-10-30 | 2020-12-22 | 西南石油大学 | 一种适用于深部硬地层的强动力复合冲击器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106677700A (zh) * | 2017-03-06 | 2017-05-17 | 中国石油集团钻井工程技术研究院 | 一种涡轮式连续管钻井双向振动减阻工具 |
CN112112557A (zh) * | 2020-10-30 | 2020-12-22 | 西南石油大学 | 一种适用于深部硬地层的强动力复合冲击器 |
CN112112557B (zh) * | 2020-10-30 | 2022-03-15 | 西南石油大学 | 一种适用于深部硬地层的强动力复合冲击器 |
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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: 20151030 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20201020 |
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CF01 | Termination of patent right due to non-payment of annual fee |