CN201363091Y - 准等强度刀翼pdc钻头 - Google Patents
准等强度刀翼pdc钻头 Download PDFInfo
- Publication number
- CN201363091Y CN201363091Y CNU2009201444714U CN200920144471U CN201363091Y CN 201363091 Y CN201363091 Y CN 201363091Y CN U2009201444714 U CNU2009201444714 U CN U2009201444714U CN 200920144471 U CN200920144471 U CN 200920144471U CN 201363091 Y CN201363091 Y CN 201363091Y
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- pdc
- bore bit
- wing
- bit
- blade
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- 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.)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2009201444714U CN201363091Y (zh) | 2009-02-23 | 2009-02-23 | 准等强度刀翼pdc钻头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2009201444714U CN201363091Y (zh) | 2009-02-23 | 2009-02-23 | 准等强度刀翼pdc钻头 |
Publications (1)
Publication Number | Publication Date |
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CN201363091Y true CN201363091Y (zh) | 2009-12-16 |
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CNU2009201444714U Expired - Lifetime CN201363091Y (zh) | 2009-02-23 | 2009-02-23 | 准等强度刀翼pdc钻头 |
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CN (1) | CN201363091Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107855230A (zh) * | 2017-11-28 | 2018-03-30 | 佛山科学技术学院 | 一种化工、医药液体喷雾装置 |
CN110469270A (zh) * | 2018-05-11 | 2019-11-19 | 成都百施特金刚石钻头有限公司 | 一种具有防泥包功能的pdc钻头 |
-
2009
- 2009-02-23 CN CNU2009201444714U patent/CN201363091Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107855230A (zh) * | 2017-11-28 | 2018-03-30 | 佛山科学技术学院 | 一种化工、医药液体喷雾装置 |
CN110469270A (zh) * | 2018-05-11 | 2019-11-19 | 成都百施特金刚石钻头有限公司 | 一种具有防泥包功能的pdc钻头 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Fuxiu Inventor after: Wen Guang Inventor before: Wang Fuxiu |
|
ASS | Succession or assignment of patent right |
Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: WELL-DRILLING TECHNOLOGY INST., SHENGLI PETROLEUM ADMINISTRATION, SINOPEC Effective date: 20150626 Owner name: CHINA PETROLEUM + CHEMICAL VICTORY OIL ENGINEERING Effective date: 20150626 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150626 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC Address before: 257017 No. 236, North Road, Dongying District, Shandong, Dongying Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20091216 |