CN201106405Y - 钢体pdc钻头 - Google Patents
钢体pdc钻头 Download PDFInfo
- Publication number
- CN201106405Y CN201106405Y CNU2007201736516U CN200720173651U CN201106405Y CN 201106405 Y CN201106405 Y CN 201106405Y CN U2007201736516 U CNU2007201736516 U CN U2007201736516U CN 200720173651 U CN200720173651 U CN 200720173651U CN 201106405 Y CN201106405 Y CN 201106405Y
- Authority
- CN
- China
- Prior art keywords
- pdc
- drill bit
- steel body
- wing
- bit
- 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 - Fee Related
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201736516U CN201106405Y (zh) | 2007-10-17 | 2007-10-17 | 钢体pdc钻头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007201736516U CN201106405Y (zh) | 2007-10-17 | 2007-10-17 | 钢体pdc钻头 |
Publications (1)
Publication Number | Publication Date |
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CN201106405Y true CN201106405Y (zh) | 2008-08-27 |
Family
ID=39958205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007201736516U Expired - Fee Related CN201106405Y (zh) | 2007-10-17 | 2007-10-17 | 钢体pdc钻头 |
Country Status (1)
Country | Link |
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CN (1) | CN201106405Y (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102678056A (zh) * | 2012-06-04 | 2012-09-19 | 刘新军 | 冷固定聚晶金刚石复合片钻头 |
CN102953686A (zh) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | 钢体式孕镶金刚石钻头 |
CN105756562A (zh) * | 2016-04-15 | 2016-07-13 | 陕西太合科技有限公司 | 一种煤矿井下定向钻进用钢体式pdc定向钻头 |
CN109372434A (zh) * | 2018-11-19 | 2019-02-22 | 三原石油钻头厂 | 一种镶装浮动复合齿的单牙轮钻头 |
-
2007
- 2007-10-17 CN CNU2007201736516U patent/CN201106405Y/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102953686A (zh) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | 钢体式孕镶金刚石钻头 |
CN102678056A (zh) * | 2012-06-04 | 2012-09-19 | 刘新军 | 冷固定聚晶金刚石复合片钻头 |
CN102678056B (zh) * | 2012-06-04 | 2015-08-05 | 刘新军 | 冷固定聚晶金刚石复合片钻头 |
CN105756562A (zh) * | 2016-04-15 | 2016-07-13 | 陕西太合科技有限公司 | 一种煤矿井下定向钻进用钢体式pdc定向钻头 |
CN109372434A (zh) * | 2018-11-19 | 2019-02-22 | 三原石油钻头厂 | 一种镶装浮动复合齿的单牙轮钻头 |
CN109372434B (zh) * | 2018-11-19 | 2024-04-30 | 三原石油钻头厂 | 一种镶装浮动复合齿的单牙轮钻头 |
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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. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20141017 |
|
EXPY | Termination of patent right or utility model |