CN203452647U - 一种能将井壁陶瓷化的钻头 - Google Patents
一种能将井壁陶瓷化的钻头 Download PDFInfo
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- CN203452647U CN203452647U CN201320491939.3U CN201320491939U CN203452647U CN 203452647 U CN203452647 U CN 203452647U CN 201320491939 U CN201320491939 U CN 201320491939U CN 203452647 U CN203452647 U CN 203452647U
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- drill bit
- drill body
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- porous layer
- drill
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CN201320491939.3U CN203452647U (zh) | 2013-08-13 | 2013-08-13 | 一种能将井壁陶瓷化的钻头 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103397846A (zh) * | 2013-08-13 | 2013-11-20 | 中国石油化工集团公司 | 一种能将井壁陶瓷化的钻头 |
CN112855025A (zh) * | 2021-01-19 | 2021-05-28 | 西南石油大学 | 一种热致裂辅助钻头高效破岩钻井提速系统 |
CN114135248A (zh) * | 2021-11-30 | 2022-03-04 | 西南石油大学 | 一种燃烧材料造壁设备 |
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2013
- 2013-08-13 CN CN201320491939.3U patent/CN203452647U/zh not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103397846A (zh) * | 2013-08-13 | 2013-11-20 | 中国石油化工集团公司 | 一种能将井壁陶瓷化的钻头 |
CN112855025A (zh) * | 2021-01-19 | 2021-05-28 | 西南石油大学 | 一种热致裂辅助钻头高效破岩钻井提速系统 |
CN112855025B (zh) * | 2021-01-19 | 2022-03-25 | 西南石油大学 | 一种热致裂辅助钻头高效破岩钻井提速系统 |
CN114135248A (zh) * | 2021-11-30 | 2022-03-04 | 西南石油大学 | 一种燃烧材料造壁设备 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SINOPEC PETROLEUM ENGINEERING MACHINERY CO., LTD. Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20150109 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100728 CHAOYANG, BEIJING TO: 430223 WUHAN, HUBEI PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20150109 Address after: 430223, Hubei, East Lake province Wuhan New Technology Development Zone 77 Optics Valley Avenue, Optics Valley finance port, block A2, 12 Patentee after: Sinopec Petroleum Engineering Machinery Co., Ltd. Patentee after: Research Institute of SINOPEC Petroleum Engineering Machinery Co., Ltd. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: Research Institute of SINOPEC Petroleum Engineering Machinery Co., Ltd. |
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AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20150923 |
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RGAV | Abandon patent right to avoid regrant |