CN201396072Y - 孕镶pdc钻头 - Google Patents
孕镶pdc钻头 Download PDFInfo
- Publication number
- CN201396072Y CN201396072Y CN200920154188XU CN200920154188U CN201396072Y CN 201396072 Y CN201396072 Y CN 201396072Y CN 200920154188X U CN200920154188X U CN 200920154188XU CN 200920154188 U CN200920154188 U CN 200920154188U CN 201396072 Y CN201396072 Y CN 201396072Y
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- impregnated
- pdc
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- diamond
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200920154188XU CN201396072Y (zh) | 2009-05-14 | 2009-05-14 | 孕镶pdc钻头 |
Applications Claiming Priority (1)
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CN200920154188XU CN201396072Y (zh) | 2009-05-14 | 2009-05-14 | 孕镶pdc钻头 |
Publications (1)
Publication Number | Publication Date |
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CN201396072Y true CN201396072Y (zh) | 2010-02-03 |
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Family Applications (1)
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CN200920154188XU Expired - Lifetime CN201396072Y (zh) | 2009-05-14 | 2009-05-14 | 孕镶pdc钻头 |
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CN (1) | CN201396072Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101824968A (zh) * | 2010-05-13 | 2010-09-08 | 中国地质大学(北京) | 一种新型孕镶钎焊金刚石钻头 |
CN105840105A (zh) * | 2016-06-15 | 2016-08-10 | 吉林大学 | 一种pdc-孕镶块混合自适应钻头 |
-
2009
- 2009-05-14 CN CN200920154188XU patent/CN201396072Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101824968A (zh) * | 2010-05-13 | 2010-09-08 | 中国地质大学(北京) | 一种新型孕镶钎焊金刚石钻头 |
CN105840105A (zh) * | 2016-06-15 | 2016-08-10 | 吉林大学 | 一种pdc-孕镶块混合自适应钻头 |
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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 |
Owner name: CHINA PETROLEUM + CHEMICAL VICTORY OIL ENGINEERING Effective date: 20150702 Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: WELL-DRILLING TECHNOLOGY INST., SHENGLI PETROLEUM ADMINISTRATION, SINOPEC Effective date: 20150702 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150702 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: 20100203 |