CN200968196Y - 无筛管称重钻柱捉塞防喷装置 - Google Patents
无筛管称重钻柱捉塞防喷装置 Download PDFInfo
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- CN200968196Y CN200968196Y CN 200620036166 CN200620036166U CN200968196Y CN 200968196 Y CN200968196 Y CN 200968196Y CN 200620036166 CN200620036166 CN 200620036166 CN 200620036166 U CN200620036166 U CN 200620036166U CN 200968196 Y CN200968196 Y CN 200968196Y
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- valve body
- weighing
- drilling
- drill string
- plug
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620036166 CN200968196Y (zh) | 2006-11-08 | 2006-11-08 | 无筛管称重钻柱捉塞防喷装置 |
Applications Claiming Priority (1)
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CN 200620036166 CN200968196Y (zh) | 2006-11-08 | 2006-11-08 | 无筛管称重钻柱捉塞防喷装置 |
Publications (1)
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CN200968196Y true CN200968196Y (zh) | 2007-10-31 |
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CN 200620036166 Expired - Fee Related CN200968196Y (zh) | 2006-11-08 | 2006-11-08 | 无筛管称重钻柱捉塞防喷装置 |
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CN (1) | CN200968196Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101748985B (zh) * | 2009-12-13 | 2012-09-12 | 西南石油大学 | 装于钻柱上在井下自动控制的井下防喷器 |
CN114673470A (zh) * | 2022-04-02 | 2022-06-28 | 中煤科工集团重庆研究院有限公司 | 一种煤矿井下高压注浆顶替用胶塞投放装置及注浆方法 |
-
2006
- 2006-11-08 CN CN 200620036166 patent/CN200968196Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101748985B (zh) * | 2009-12-13 | 2012-09-12 | 西南石油大学 | 装于钻柱上在井下自动控制的井下防喷器 |
CN114673470A (zh) * | 2022-04-02 | 2022-06-28 | 中煤科工集团重庆研究院有限公司 | 一种煤矿井下高压注浆顶替用胶塞投放装置及注浆方法 |
CN114673470B (zh) * | 2022-04-02 | 2023-11-03 | 中煤科工集团重庆研究院有限公司 | 一种煤矿井下高压注浆顶替用胶塞投放装置及注浆方法 |
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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: CHINA PETROLEUM GROUP CHUAN-QING DRILLING ENGINEE Free format text: FORMER OWNER: SICHUN PETROLEUM ADMINISTRATION DOWNHOLE OPERATION COMPANY Effective date: 20081107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: 6 downhole operation company No. four, Ruifeng alley, north two ring road, Chengdu, Sichuan, Chenghua District Province, China: 610051 Patentee after: Underground operation Company, CNPC Sichuan Petroleum Geophysical Prospecting Company Address before: 6, Ruifeng lane, four section, two ring road, Chenghua District, Sichuan, Chengdu Province, China: 610051 Patentee before: Sichuan Petroleum Underground Working company |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20141108 |
|
EXPY | Termination of patent right or utility model |