CN202064837U - 迷宫式隔液钻头及迷宫式隔液取心钻进工具 - Google Patents
迷宫式隔液钻头及迷宫式隔液取心钻进工具 Download PDFInfo
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- CN202064837U CN202064837U CN2011200606687U CN201120060668U CN202064837U CN 202064837 U CN202064837 U CN 202064837U CN 2011200606687 U CN2011200606687 U CN 2011200606687U CN 201120060668 U CN201120060668 U CN 201120060668U CN 202064837 U CN202064837 U CN 202064837U
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- drill bit
- spring seat
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CN2011200606687U CN202064837U (zh) | 2011-03-09 | 2011-03-09 | 迷宫式隔液钻头及迷宫式隔液取心钻进工具 |
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CN2011200606687U CN202064837U (zh) | 2011-03-09 | 2011-03-09 | 迷宫式隔液钻头及迷宫式隔液取心钻进工具 |
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CN202064837U true CN202064837U (zh) | 2011-12-07 |
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CN2011200606687U Expired - Lifetime CN202064837U (zh) | 2011-03-09 | 2011-03-09 | 迷宫式隔液钻头及迷宫式隔液取心钻进工具 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105545214A (zh) * | 2016-02-03 | 2016-05-04 | 中国有色桂林矿产地质研究院有限公司 | 主副底喷型激光焊接金刚石钻头及其制造方法 |
CN110593775A (zh) * | 2012-12-21 | 2019-12-20 | 喜利得股份公司 | 用于钻头的切削区段 |
CN118669052A (zh) * | 2024-08-20 | 2024-09-20 | 中国石油大学(华东) | 一种具有地应力卸载功能的多阶梯pdc钻头及钻井方法 |
-
2011
- 2011-03-09 CN CN2011200606687U patent/CN202064837U/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110593775A (zh) * | 2012-12-21 | 2019-12-20 | 喜利得股份公司 | 用于钻头的切削区段 |
CN105545214A (zh) * | 2016-02-03 | 2016-05-04 | 中国有色桂林矿产地质研究院有限公司 | 主副底喷型激光焊接金刚石钻头及其制造方法 |
CN105545214B (zh) * | 2016-02-03 | 2017-11-03 | 中国有色桂林矿产地质研究院有限公司 | 主副底喷型激光焊接金刚石钻头及其制造方法 |
CN118669052A (zh) * | 2024-08-20 | 2024-09-20 | 中国石油大学(华东) | 一种具有地应力卸载功能的多阶梯pdc钻头及钻井方法 |
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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: GEOLOGICAL MINERAL RESOURCES LANGFANG JULI GEOTECH Free format text: FORMER OWNER: CHINESE GEOLOGICAL SCIENCE SURVEY TECHNOLOGY INST Effective date: 20120514 Free format text: FORMER OWNER: GEOLOGICAL MINERAL RESOURCES LANGFANG JULI GEOTECHNICAL ENGINEERING SCIENCE AND TECHNOLOGY DEVELOPMENT COMPANY Effective date: 20120514 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120514 Address after: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77 Patentee after: Geological Minerals Langfang Juli Geotechnical Engineering Technology Development Co., Ltd. Address before: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77 Co-patentee before: Geological Minerals Langfang Juli Geotechnical Engineering Technology Development Co., Ltd. Patentee before: Chinese Geological Science Survey Technology Inst |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77 Patentee after: Langfang Juli Exploration Technology Co., Ltd Address before: 065000 Langfang golden city of Hebei province Guangyang District Road No. 77 Patentee before: JULI GEO-ENGINEERING TECHNICAL DEVELOPMENT COMPANY (LANGFANG) |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20111207 |