CN201074480Y - Pdc钻头 - Google Patents
Pdc钻头 Download PDFInfo
- Publication number
- CN201074480Y CN201074480Y CNU2007201703832U CN200720170383U CN201074480Y CN 201074480 Y CN201074480 Y CN 201074480Y CN U2007201703832 U CNU2007201703832 U CN U2007201703832U CN 200720170383 U CN200720170383 U CN 200720170383U CN 201074480 Y CN201074480 Y CN 201074480Y
- Authority
- CN
- China
- Prior art keywords
- drill bit
- wing
- fixture block
- rimmer knife
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201703832U CN201074480Y (zh) | 2007-08-27 | 2007-08-27 | Pdc钻头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201703832U CN201074480Y (zh) | 2007-08-27 | 2007-08-27 | Pdc钻头 |
Publications (1)
Publication Number | Publication Date |
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CN201074480Y true CN201074480Y (zh) | 2008-06-18 |
Family
ID=39519743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007201703832U Expired - Lifetime CN201074480Y (zh) | 2007-08-27 | 2007-08-27 | Pdc钻头 |
Country Status (1)
Country | Link |
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CN (1) | CN201074480Y (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101377119B (zh) * | 2007-08-27 | 2010-12-15 | 中国石油集团渤海石油装备制造有限公司 | Pdc钻头 |
CN103362444A (zh) * | 2013-07-24 | 2013-10-23 | 中国地质大学(武汉) | 一种切削-磨削翼片型油气钻井用钻头 |
CN109209236A (zh) * | 2018-10-19 | 2019-01-15 | 中国石油大学(华东) | 一种具有保径作用的钻井装置 |
CN112096296A (zh) * | 2020-11-12 | 2020-12-18 | 胜利油田固邦石油装备有限责任公司 | 一种磨削翼片型油气钻井用pdc钻头 |
-
2007
- 2007-08-27 CN CNU2007201703832U patent/CN201074480Y/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101377119B (zh) * | 2007-08-27 | 2010-12-15 | 中国石油集团渤海石油装备制造有限公司 | Pdc钻头 |
CN103362444A (zh) * | 2013-07-24 | 2013-10-23 | 中国地质大学(武汉) | 一种切削-磨削翼片型油气钻井用钻头 |
CN103362444B (zh) * | 2013-07-24 | 2016-10-26 | 中国地质大学(武汉) | 一种切削-磨削翼片型油气钻井用钻头 |
CN109209236A (zh) * | 2018-10-19 | 2019-01-15 | 中国石油大学(华东) | 一种具有保径作用的钻井装置 |
CN109209236B (zh) * | 2018-10-19 | 2019-12-27 | 中国石油大学(华东) | 一种具有保径作用的钻井装置 |
CN112096296A (zh) * | 2020-11-12 | 2020-12-18 | 胜利油田固邦石油装备有限责任公司 | 一种磨削翼片型油气钻井用pdc钻头 |
CN112096296B (zh) * | 2020-11-12 | 2021-03-02 | 胜利油田固邦石油装备有限责任公司 | 一种磨削翼片型油气钻井用pdc钻头 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: DAGANG OILFIELD GROUP, ZHONGCHENG MACHINERY MANUFACTURING CO., LTD. Owner name: CNPC BOHAI PETROLEUM EQUIPMENT MANUFACTURING CO., Free format text: FORMER OWNER: DAGANG OIL FIELD GROUP CO., LTD. Effective date: 20100903 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300280 DAGANG OILFIELD GROUP CO., LTD., YARD 3, DAGANG OILFIELD, TIANJIN CITY TO: 300280 CHUANGANG ROAD, DAGANG OILFIELD, DAGANG DISTRICT, TIANJIN CITY |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100903 Address after: 300280 Tianjin City, Grand Port Dagang Oilfield Sichuan Road Patentee after: CNPC Bohai Equipment Manufacturing Co., Ltd. Address before: 300280 Dagang Oilfield No. three, Dagang Oilfield, Tianjin, Refco Group Ltd Co-patentee before: Dagang Oilfield Group, Zhongcheng Machinery Manufacturing Co., Ltd. Patentee before: Dagang Oil Field Group Co., Ltd. |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20080618 Effective date of abandoning: 20070827 |