CN201705209U - 松散破碎砾岩地层取心钻头 - Google Patents
松散破碎砾岩地层取心钻头 Download PDFInfo
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- CN201705209U CN201705209U CN2010202183517U CN201020218351U CN201705209U CN 201705209 U CN201705209 U CN 201705209U CN 2010202183517 U CN2010202183517 U CN 2010202183517U CN 201020218351 U CN201020218351 U CN 201020218351U CN 201705209 U CN201705209 U CN 201705209U
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CN2010202183517U CN201705209U (zh) | 2010-06-08 | 2010-06-08 | 松散破碎砾岩地层取心钻头 |
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CN2010202183517U CN201705209U (zh) | 2010-06-08 | 2010-06-08 | 松散破碎砾岩地层取心钻头 |
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CN201705209U true CN201705209U (zh) | 2011-01-12 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102400654A (zh) * | 2011-11-27 | 2012-04-04 | 中国石油天然气集团公司 | 岩心打捞器 |
CN106499341A (zh) * | 2015-09-04 | 2017-03-15 | 钟建华 | 便携式防滑摆取芯钻头 |
CN111502580A (zh) * | 2020-04-09 | 2020-08-07 | 东北大学 | 一种用于钻取破碎岩体进行提取岩芯的装置及方法 |
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2010
- 2010-06-08 CN CN2010202183517U patent/CN201705209U/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102400654A (zh) * | 2011-11-27 | 2012-04-04 | 中国石油天然气集团公司 | 岩心打捞器 |
CN106499341A (zh) * | 2015-09-04 | 2017-03-15 | 钟建华 | 便携式防滑摆取芯钻头 |
CN111502580A (zh) * | 2020-04-09 | 2020-08-07 | 东北大学 | 一种用于钻取破碎岩体进行提取岩芯的装置及方法 |
CN111502580B (zh) * | 2020-04-09 | 2021-06-08 | 东北大学 | 一种用于钻取破碎岩体进行提取岩芯的装置及方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Fang Ming Inventor after: Du Gang Inventor after: Zhu Yufeng Inventor after: Kang Keli Inventor after: Li Lang Inventor before: Fang Ming Inventor before: Zhu Yufeng Inventor before: Kang Keli Inventor before: Li Lang |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FANG MING ZHU YUFENG KANG KELI LI LANG TO: FANG MING DU GANG ZHU YUFENG KANG KELI LI LANG |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110112 |