CN205089223U - Oil prospecting drill bit - Google Patents
Oil prospecting drill bit Download PDFInfo
- Publication number
- CN205089223U CN205089223U CN201520704552.0U CN201520704552U CN205089223U CN 205089223 U CN205089223 U CN 205089223U CN 201520704552 U CN201520704552 U CN 201520704552U CN 205089223 U CN205089223 U CN 205089223U
- Authority
- CN
- China
- Prior art keywords
- drillstock
- alloy
- drill bit
- drilling rod
- inner chamber
- 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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- Earth Drilling (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520704552.0U CN205089223U (en) | 2015-09-13 | 2015-09-13 | Oil prospecting drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520704552.0U CN205089223U (en) | 2015-09-13 | 2015-09-13 | Oil prospecting drill bit |
Publications (1)
Publication Number | Publication Date |
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CN205089223U true CN205089223U (en) | 2016-03-16 |
Family
ID=55479924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520704552.0U Expired - Fee Related CN205089223U (en) | 2015-09-13 | 2015-09-13 | Oil prospecting drill bit |
Country Status (1)
Country | Link |
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CN (1) | CN205089223U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107605405A (en) * | 2017-11-03 | 2018-01-19 | 宋新祥 | A kind of oil bit |
CN113250622A (en) * | 2021-05-27 | 2021-08-13 | 河北锐石钻头制造有限公司 | PDC drill bit with stable tool face for directional drilling |
CN113309472A (en) * | 2021-07-02 | 2021-08-27 | 重庆大学 | Three-channel reverse circulation drill bit |
-
2015
- 2015-09-13 CN CN201520704552.0U patent/CN205089223U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107605405A (en) * | 2017-11-03 | 2018-01-19 | 宋新祥 | A kind of oil bit |
CN113250622A (en) * | 2021-05-27 | 2021-08-13 | 河北锐石钻头制造有限公司 | PDC drill bit with stable tool face for directional drilling |
CN113309472A (en) * | 2021-07-02 | 2021-08-27 | 重庆大学 | Three-channel reverse circulation drill bit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Ye Chenglin Inventor after: Yan Jiangtao Inventor before: Sheng Tiefeng |
|
COR | Change of bibliographic data | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170119 Address after: 511488 Guangdong city of Guangzhou province Panyu District Qiao Nan Jie Nan Di Dong Lu 584, 586, 588 Patentee after: GUANGZHOU YUNZHOU INFORMATION TECHNOLOGY CO.,LTD. Address before: 311815 Zhejiang city of Shaoxing province Zhuji city Ciwu town Huang Tong Village No. 921 Patentee before: Sheng Tiefeng |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 |
|
CF01 | Termination of patent right due to non-payment of annual fee |