CN201080909Y - 涨缩动筒式柱塞自转定心抽油泵 - Google Patents
涨缩动筒式柱塞自转定心抽油泵 Download PDFInfo
- Publication number
- CN201080909Y CN201080909Y CNU2007200918273U CN200720091827U CN201080909Y CN 201080909 Y CN201080909 Y CN 201080909Y CN U2007200918273 U CNU2007200918273 U CN U2007200918273U CN 200720091827 U CN200720091827 U CN 200720091827U CN 201080909 Y CN201080909 Y CN 201080909Y
- Authority
- CN
- China
- Prior art keywords
- pump barrel
- plunger
- oil
- pump
- thruster
- 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 - Fee Related
Links
- 230000008961 swelling Effects 0.000 title 1
- 239000003129 oil well Substances 0.000 claims abstract description 10
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200918273U CN201080909Y (zh) | 2007-09-07 | 2007-09-07 | 涨缩动筒式柱塞自转定心抽油泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200918273U CN201080909Y (zh) | 2007-09-07 | 2007-09-07 | 涨缩动筒式柱塞自转定心抽油泵 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201080909Y true CN201080909Y (zh) | 2008-07-02 |
Family
ID=39614582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200918273U Expired - Fee Related CN201080909Y (zh) | 2007-09-07 | 2007-09-07 | 涨缩动筒式柱塞自转定心抽油泵 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201080909Y (zh) |
-
2007
- 2007-09-07 CN CNU2007200918273U patent/CN201080909Y/zh not_active Expired - Fee Related
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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: DONGYING CITY XINHAO OIL SCIENCE AND TECHNOLOGY DE Free format text: FORMER OWNER: XIA YUNHOU Effective date: 20091023 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091023 Address after: Ji'nan Road Business District, Shandong, Dongying Province, China: 257000 Patentee after: Dongying City Xinhao Petroleum Technology Development Co., Ltd. Address before: 2, unit 1, building 2, Ji'nan Road business park, Dongying, Shandong. Zip code: 257000 Co-patentee before: Lu Guangli Patentee before: Thick summer clouds Co-patentee before: Hu Fujun |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20100907 |