CN2538975Y - 直传式抽油泵 - Google Patents
直传式抽油泵 Download PDFInfo
- Publication number
- CN2538975Y CN2538975Y CN 02208550 CN02208550U CN2538975Y CN 2538975 Y CN2538975 Y CN 2538975Y CN 02208550 CN02208550 CN 02208550 CN 02208550 U CN02208550 U CN 02208550U CN 2538975 Y CN2538975 Y CN 2538975Y
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- CN
- China
- Prior art keywords
- plunger
- oil
- pump
- electric motor
- linear electric
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02208550 CN2538975Y (zh) | 2002-03-28 | 2002-03-28 | 直传式抽油泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02208550 CN2538975Y (zh) | 2002-03-28 | 2002-03-28 | 直传式抽油泵 |
Publications (1)
Publication Number | Publication Date |
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CN2538975Y true CN2538975Y (zh) | 2003-03-05 |
Family
ID=33689199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02208550 Expired - Lifetime CN2538975Y (zh) | 2002-03-28 | 2002-03-28 | 直传式抽油泵 |
Country Status (1)
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CN (1) | CN2538975Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100422556C (zh) * | 2005-04-05 | 2008-10-01 | 大庆油田有限责任公司 | 一种小排量高扬程往复式潜油电泵 |
-
2002
- 2002-03-28 CN CN 02208550 patent/CN2538975Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100422556C (zh) * | 2005-04-05 | 2008-10-01 | 大庆油田有限责任公司 | 一种小排量高扬程往复式潜油电泵 |
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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: XIAO YINLI LIU GUOPING GUO SHENGFANG Free format text: FORMER OWNER: CHEN JIJUN Effective date: 20050318 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050318 Address after: Puyang City, Henan province Daqing road 457001 No. 124 oil Jiashuyuan Co-patentee after: Xiao Yinli Patentee after: Guo Xiaoping Co-patentee after: Liu Guoping Co-patentee after: Guo Shengfang Address before: 457001 No. 124, Daqing Road, Puyang, Henan Co-patentee before: Chen Jijun Patentee before: Guo Xiaoping |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20120328 Granted publication date: 20030305 |