CN202441259U - 旋切钻头与牙轮钻头形成的复合钻头 - Google Patents
旋切钻头与牙轮钻头形成的复合钻头 Download PDFInfo
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- CN202441259U CN202441259U CN2011204890112U CN201120489011U CN202441259U CN 202441259 U CN202441259 U CN 202441259U CN 2011204890112 U CN2011204890112 U CN 2011204890112U CN 201120489011 U CN201120489011 U CN 201120489011U CN 202441259 U CN202441259 U CN 202441259U
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- drill bit
- bit
- rotary
- cut
- rock
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CN2011204890112U CN202441259U (zh) | 2011-11-30 | 2011-11-30 | 旋切钻头与牙轮钻头形成的复合钻头 |
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CN2011204890112U CN202441259U (zh) | 2011-11-30 | 2011-11-30 | 旋切钻头与牙轮钻头形成的复合钻头 |
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CN202441259U true CN202441259U (zh) | 2012-09-19 |
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CN2011204890112U Expired - Fee Related CN202441259U (zh) | 2011-11-30 | 2011-11-30 | 旋切钻头与牙轮钻头形成的复合钻头 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102400646A (zh) * | 2011-11-30 | 2012-04-04 | 四川深远石油钻井工具有限公司 | 旋切钻头与牙轮钻头形成的复合钻头 |
CN110485990A (zh) * | 2019-07-22 | 2019-11-22 | 西南石油大学 | 多功能牙轮钻头实验设备 |
CN113107369A (zh) * | 2021-03-05 | 2021-07-13 | 王越 | 一种复合钻头及其加工方法 |
-
2011
- 2011-11-30 CN CN2011204890112U patent/CN202441259U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102400646A (zh) * | 2011-11-30 | 2012-04-04 | 四川深远石油钻井工具有限公司 | 旋切钻头与牙轮钻头形成的复合钻头 |
CN102400646B (zh) * | 2011-11-30 | 2015-05-20 | 四川深远石油钻井工具股份有限公司 | 旋切钻头与牙轮钻头形成的复合钻头 |
CN110485990A (zh) * | 2019-07-22 | 2019-11-22 | 西南石油大学 | 多功能牙轮钻头实验设备 |
CN113107369A (zh) * | 2021-03-05 | 2021-07-13 | 王越 | 一种复合钻头及其加工方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20151130 |
|
EXPY | Termination of patent right or utility model |