CN2431390Y - 遥控式机液型井下降斜工具 - Google Patents
遥控式机液型井下降斜工具 Download PDFInfo
- Publication number
- CN2431390Y CN2431390Y CN 00238155 CN00238155U CN2431390Y CN 2431390 Y CN2431390 Y CN 2431390Y CN 00238155 CN00238155 CN 00238155 CN 00238155 U CN00238155 U CN 00238155U CN 2431390 Y CN2431390 Y CN 2431390Y
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- sleeve
- piston
- executing agency
- reducing tool
- mechanical hydraulic
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 00238155 CN2431390Y (zh) | 2000-07-03 | 2000-07-03 | 遥控式机液型井下降斜工具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00238155 CN2431390Y (zh) | 2000-07-03 | 2000-07-03 | 遥控式机液型井下降斜工具 |
Publications (1)
Publication Number | Publication Date |
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CN2431390Y true CN2431390Y (zh) | 2001-05-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 00238155 Expired - Lifetime CN2431390Y (zh) | 2000-07-03 | 2000-07-03 | 遥控式机液型井下降斜工具 |
Country Status (1)
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CN (1) | CN2431390Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102733756A (zh) * | 2012-07-23 | 2012-10-17 | 中国石油大学(华东) | 一种振动加压钻井工具 |
CN101713279B (zh) * | 2009-11-04 | 2013-01-02 | 中国石油大学(北京) | 一种偏心钻具组合防斜打快技术 |
-
2000
- 2000-07-03 CN CN 00238155 patent/CN2431390Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101713279B (zh) * | 2009-11-04 | 2013-01-02 | 中国石油大学(北京) | 一种偏心钻具组合防斜打快技术 |
CN102733756A (zh) * | 2012-07-23 | 2012-10-17 | 中国石油大学(华东) | 一种振动加压钻井工具 |
CN102733756B (zh) * | 2012-07-23 | 2014-04-09 | 中国石油大学(华东) | 一种振动加压钻井工具 |
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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 GROUP DRILLING ENGINEERING TECHNO Free format text: FORMER OWNER: INST. OF WELL DRILLING TECHNOLOGY, ACADEMY OF PETROLEUM EXPLORATION AND DEVELOPM Effective date: 20070720 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070720 Address after: 100083 No. 20, Beijing, Xueyuan Road Patentee after: Drilling Engineering Technology Research Institute, China National Petroleum Corp. Address before: 100083 No. 20, Beijing, Xueyuan Road Patentee before: Drilling Technology Int., Research Inst. of Petroleum Exploration Development |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20010523 |