CN201013303Y - 具有捉塞筛管的称重钻柱捉塞防喷装置 - Google Patents
具有捉塞筛管的称重钻柱捉塞防喷装置 Download PDFInfo
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- CN201013303Y CN201013303Y CN 200620036165 CN200620036165U CN201013303Y CN 201013303 Y CN201013303 Y CN 201013303Y CN 200620036165 CN200620036165 CN 200620036165 CN 200620036165 U CN200620036165 U CN 200620036165U CN 201013303 Y CN201013303 Y CN 201013303Y
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CN 200620036165 CN201013303Y (zh) | 2006-11-08 | 2006-11-08 | 具有捉塞筛管的称重钻柱捉塞防喷装置 |
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CN 200620036165 CN201013303Y (zh) | 2006-11-08 | 2006-11-08 | 具有捉塞筛管的称重钻柱捉塞防喷装置 |
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CN201013303Y true CN201013303Y (zh) | 2008-01-30 |
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CN 200620036165 Expired - Fee Related CN201013303Y (zh) | 2006-11-08 | 2006-11-08 | 具有捉塞筛管的称重钻柱捉塞防喷装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101881142A (zh) * | 2010-07-02 | 2010-11-10 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 自封式坐封球座 |
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 |
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2006
- 2006-11-08 CN CN 200620036165 patent/CN201013303Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101881142A (zh) * | 2010-07-02 | 2010-11-10 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 自封式坐封球座 |
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 |
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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, NO. 6, BEISIDUANRUIFENG LANE, ERHUAN ROAD Effective date: 20081107 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: 6, Ruifeng lane, four section, two ring road, Chenghua District, Sichuan, Chengdu Province, China: 610051 Patentee after: Underground operation Company, CNPC Sichuan Petroleum Geophysical Prospecting Company Address before: 6, Ruifeng lane, four section, two ring road, Chengdu, Sichuan, Chenghua District 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: 20080130 Termination date: 20141108 |
|
EXPY | Termination of patent right or utility model |