CN203701986U - 钢体螺旋五刀翼pdc钻头 - Google Patents
钢体螺旋五刀翼pdc钻头 Download PDFInfo
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- CN203701986U CN203701986U CN201320881013.5U CN201320881013U CN203701986U CN 203701986 U CN203701986 U CN 203701986U CN 201320881013 U CN201320881013 U CN 201320881013U CN 203701986 U CN203701986 U CN 203701986U
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CN201320881013.5U CN203701986U (zh) | 2013-12-30 | 2013-12-30 | 钢体螺旋五刀翼pdc钻头 |
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CN201320881013.5U CN203701986U (zh) | 2013-12-30 | 2013-12-30 | 钢体螺旋五刀翼pdc钻头 |
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CN203701986U true CN203701986U (zh) | 2014-07-09 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107842316A (zh) * | 2017-06-24 | 2018-03-27 | 邓立宇 | 一种井底局部减压的提速钻头 |
CN107989554A (zh) * | 2017-12-18 | 2018-05-04 | 中国石油集团川庆钻探工程有限公司 | 一种粒子冲击pdc钻井钻头 |
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2013
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107842316A (zh) * | 2017-06-24 | 2018-03-27 | 邓立宇 | 一种井底局部减压的提速钻头 |
CN107842316B (zh) * | 2017-06-24 | 2024-01-19 | 邓立宇 | 一种井底局部减压的提速钻头 |
CN107989554A (zh) * | 2017-12-18 | 2018-05-04 | 中国石油集团川庆钻探工程有限公司 | 一种粒子冲击pdc钻井钻头 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CB03 | Change of inventor or designer information |
Inventor after: Zeng Weilin Inventor before: Zeng Weilin Inventor before: Zhang Jie |
|
COR | Change of bibliographic data | ||
CP01 | Change in the name or title of a patent holder |
Address after: 834000, No. four, No. 3860, Ping Bei Road, the Xinjiang Uygur Autonomous Region, Karamay Patentee after: Xinjiang new edge Petroleum Technology Service Limited by Share Ltd. Address before: 834000, No. four, No. 3860, Ping Bei Road, the Xinjiang Uygur Autonomous Region, Karamay Patentee before: KARAMAY NEW EDGE DIAMOND DRILL MANUFACTURING Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211230 |
|
CF01 | Termination of patent right due to non-payment of annual fee |