CN202441267U - 具有旋切破岩功能的复合钻头 - Google Patents
具有旋切破岩功能的复合钻头 Download PDFInfo
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- CN202441267U CN202441267U CN2011204890004U CN201120489000U CN202441267U CN 202441267 U CN202441267 U CN 202441267U CN 2011204890004 U CN2011204890004 U CN 2011204890004U CN 201120489000 U CN201120489000 U CN 201120489000U CN 202441267 U CN202441267 U CN 202441267U
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- drill bit
- rotary
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- bit
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204890004U CN202441267U (zh) | 2011-11-30 | 2011-11-30 | 具有旋切破岩功能的复合钻头 |
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CN2011204890004U CN202441267U (zh) | 2011-11-30 | 2011-11-30 | 具有旋切破岩功能的复合钻头 |
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CN202441267U true CN202441267U (zh) | 2012-09-19 |
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CN2011204890004U Expired - Fee Related CN202441267U (zh) | 2011-11-30 | 2011-11-30 | 具有旋切破岩功能的复合钻头 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434105A (zh) * | 2011-11-30 | 2012-05-02 | 四川深远石油钻井工具有限公司 | 具有旋切破岩功能的复合钻头 |
CN104612589A (zh) * | 2015-01-15 | 2015-05-13 | 西南石油大学 | 一种基于非平面结合的pdc加强齿的单牙轮钻头 |
CN106869802A (zh) * | 2017-04-27 | 2017-06-20 | 西南石油大学 | 一种复合破岩机构和一种长寿命复合钻头 |
CN107842317A (zh) * | 2017-11-27 | 2018-03-27 | 中煤科工集团西安研究院有限公司 | 硬岩钻进用冲剪复合钻头 |
-
2011
- 2011-11-30 CN CN2011204890004U patent/CN202441267U/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434105A (zh) * | 2011-11-30 | 2012-05-02 | 四川深远石油钻井工具有限公司 | 具有旋切破岩功能的复合钻头 |
CN102434105B (zh) * | 2011-11-30 | 2015-06-24 | 四川深远石油钻井工具股份有限公司 | 具有旋切破岩功能的复合钻头 |
CN104612589A (zh) * | 2015-01-15 | 2015-05-13 | 西南石油大学 | 一种基于非平面结合的pdc加强齿的单牙轮钻头 |
CN106869802A (zh) * | 2017-04-27 | 2017-06-20 | 西南石油大学 | 一种复合破岩机构和一种长寿命复合钻头 |
CN106869802B (zh) * | 2017-04-27 | 2023-10-27 | 西南石油大学 | 一种复合破岩机构和一种长寿命复合钻头 |
CN107842317A (zh) * | 2017-11-27 | 2018-03-27 | 中煤科工集团西安研究院有限公司 | 硬岩钻进用冲剪复合钻头 |
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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 | ||
CP02 | Change in the address of a patent holder |
Address after: 611731, No. 4, West core road, hi tech Zone, Sichuan, Chengdu, B332 Patentee after: Sichuan Deep&Fast Oil Drilling Tools Co., Ltd. Address before: 611730 Sichuan city of Chengdu Province modern industrial port area Tonggang Road No. 69 Patentee before: Sichuan Deep&Fast Oil Drilling Tools Co., Ltd. |
|
C56 | Change in the name or address of the patentee |
Owner name: SICHUAN DEEP + FAST OIL DRILLING TOOLS CO., LTD. Free format text: FORMER NAME: SICHUAN DEEP+FAST OIL DRILLING TOOLS CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 611731, No. 4, West core road, hi tech Zone, Sichuan, Chengdu, B332 Patentee after: Sichuan Deep & Fast Oil Drilling Tools Co., Ltd. Address before: 611731, No. 4, West core road, hi tech Zone, Sichuan, Chengdu, B332 Patentee before: Sichuan Deep&Fast Oil Drilling Tools Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20151130 |
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EXPY | Termination of patent right or utility model |