CN200999726Y - 井下双螺杆泵系统 - Google Patents
井下双螺杆泵系统 Download PDFInfo
- Publication number
- CN200999726Y CN200999726Y CNU2006201521609U CN200620152160U CN200999726Y CN 200999726 Y CN200999726 Y CN 200999726Y CN U2006201521609 U CNU2006201521609 U CN U2006201521609U CN 200620152160 U CN200620152160 U CN 200620152160U CN 200999726 Y CN200999726 Y CN 200999726Y
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- Prior art keywords
- thrust
- unit
- screw rod
- housing
- pump system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2006201521609U CN200999726Y (zh) | 2006-12-27 | 2006-12-27 | 井下双螺杆泵系统 |
Applications Claiming Priority (1)
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CNU2006201521609U CN200999726Y (zh) | 2006-12-27 | 2006-12-27 | 井下双螺杆泵系统 |
Publications (1)
Publication Number | Publication Date |
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CN200999726Y true CN200999726Y (zh) | 2008-01-02 |
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CNU2006201521609U Expired - Fee Related CN200999726Y (zh) | 2006-12-27 | 2006-12-27 | 井下双螺杆泵系统 |
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CN (1) | CN200999726Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102182691A (zh) * | 2011-05-09 | 2011-09-14 | 中国石油大学(华东) | 一种用于多级泵中的模块化泵单元 |
CN101225738B (zh) * | 2008-02-19 | 2012-09-26 | 盘锦三阳石油科技发展有限公司 | 油田井下转动式机械传动装置 |
-
2006
- 2006-12-27 CN CNU2006201521609U patent/CN200999726Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101225738B (zh) * | 2008-02-19 | 2012-09-26 | 盘锦三阳石油科技发展有限公司 | 油田井下转动式机械传动装置 |
CN102182691A (zh) * | 2011-05-09 | 2011-09-14 | 中国石油大学(华东) | 一种用于多级泵中的模块化泵单元 |
CN102182691B (zh) * | 2011-05-09 | 2016-04-27 | 中国石油大学(华东) | 一种用于多级泵中的模块化泵单元 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: CNOOC BASE GROUP CO., LTD. ^ |
|
CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: CNOOC Refco Group Ltd Number: 01 Page: The title page Volume: 24 |
|
CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: CNOOC Refco Group Ltd Number: 01 Volume: 24 |
|
ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: CNOOC BASE GROUP CO., LTD. ^ |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 25 North Street, Chaoyangmen, Beijing, Dongcheng District: 100010 Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China National Offshore Oil Corporation Address before: No. 25 North Street, Chaoyangmen, Beijing, Dongcheng District: 100010 Co-patentee before: CNOOC Oil Base Group Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20100127 |