CN201358761Y - 一种低冲次稠油抽油机 - Google Patents
一种低冲次稠油抽油机 Download PDFInfo
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- CN201358761Y CN201358761Y CNU2009200092262U CN200920009226U CN201358761Y CN 201358761 Y CN201358761 Y CN 201358761Y CN U2009200092262 U CNU2009200092262 U CN U2009200092262U CN 200920009226 U CN200920009226 U CN 200920009226U CN 201358761 Y CN201358761 Y CN 201358761Y
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- pumping unit
- drive shaft
- low
- crude oil
- viscous crude
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Application Number | Priority Date | Filing Date | Title |
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CNU2009200092262U CN201358761Y (zh) | 2009-03-17 | 2009-03-18 | 一种低冲次稠油抽油机 |
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CN200920084174.5 | 2009-03-17 | ||
CN200920084174 | 2009-03-17 | ||
CNU2009200092262U CN201358761Y (zh) | 2009-03-17 | 2009-03-18 | 一种低冲次稠油抽油机 |
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CN201358761Y true CN201358761Y (zh) | 2009-12-09 |
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CNU2009200092262U Expired - Fee Related CN201358761Y (zh) | 2009-03-17 | 2009-03-18 | 一种低冲次稠油抽油机 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013091402A1 (zh) * | 2011-12-23 | 2013-06-27 | 大庆大华宏业石油工程技术有限公司 | 多级减速多级平衡抽油机 |
CN104514866A (zh) * | 2013-09-27 | 2015-04-15 | 中国石油天然气股份有限公司 | 抽油机磁力耦合-齿轮传动装置 |
-
2009
- 2009-03-18 CN CNU2009200092262U patent/CN201358761Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013091402A1 (zh) * | 2011-12-23 | 2013-06-27 | 大庆大华宏业石油工程技术有限公司 | 多级减速多级平衡抽油机 |
CN104514866A (zh) * | 2013-09-27 | 2015-04-15 | 中国石油天然气股份有限公司 | 抽油机磁力耦合-齿轮传动装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Lu Guozhong Inventor after: He Aiping Inventor after: Rong Mang Inventor before: Lu Guozhong Inventor before: He Aiping |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LU GUOZHONG; HE AIPING TO: LU GUOZHONG; HE AIPING; RONG MANG |
|
ASS | Succession or assignment of patent right |
Owner name: SHANDONG HAOTE PETROLEUM EQUIPMENT CO., LTD. Free format text: FORMER OWNER: JINGJIANG PETROLEUM TECHNOLOGY CO., LTD. JIANGHAN OILFIELD Effective date: 20121011 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 433124 QIANJIANG, HUBEI PROVINCE TO: 257000 DONGYING, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20121011 Address after: 257000, Shandong, Dongying Economic Development Zone, East six Road East, North all the way to the South Patentee after: Shandong Hao Petroleum Equipment Co., Ltd. Address before: 433124 No. 118, Hua Hua Xiaokang Road, Hubei, Qianjiang Patentee before: Jingjiang Petroleum Technology Co., Ltd. Jianghan Oilfield |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20180318 |
|
CF01 | Termination of patent right due to non-payment of annual fee |