CN202926565U - 沉储防垢抽油泵 - Google Patents
沉储防垢抽油泵 Download PDFInfo
- Publication number
- CN202926565U CN202926565U CN 201220403205 CN201220403205U CN202926565U CN 202926565 U CN202926565 U CN 202926565U CN 201220403205 CN201220403205 CN 201220403205 CN 201220403205 U CN201220403205 U CN 201220403205U CN 202926565 U CN202926565 U CN 202926565U
- Authority
- CN
- China
- Prior art keywords
- scale
- scraper
- inner hole
- well pump
- hole thread
- 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
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220403205 CN202926565U (zh) | 2012-08-08 | 2012-08-08 | 沉储防垢抽油泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220403205 CN202926565U (zh) | 2012-08-08 | 2012-08-08 | 沉储防垢抽油泵 |
Publications (1)
Publication Number | Publication Date |
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CN202926565U true CN202926565U (zh) | 2013-05-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220403205 Expired - Fee Related CN202926565U (zh) | 2012-08-08 | 2012-08-08 | 沉储防垢抽油泵 |
Country Status (1)
Country | Link |
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CN (1) | CN202926565U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103573595A (zh) * | 2012-08-08 | 2014-02-12 | 河南信宇石油机械制造股份有限公司 | 自动除垢防卡抽油泵 |
CN105649962A (zh) * | 2016-03-11 | 2016-06-08 | 王中阳 | 一种管式抽油泵 |
-
2012
- 2012-08-08 CN CN 201220403205 patent/CN202926565U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103573595A (zh) * | 2012-08-08 | 2014-02-12 | 河南信宇石油机械制造股份有限公司 | 自动除垢防卡抽油泵 |
CN105649962A (zh) * | 2016-03-11 | 2016-06-08 | 王中阳 | 一种管式抽油泵 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HENAN XINYU PETROLEUM MACHINERY MANUFACTURING CO., Free format text: FORMER NAME: XINYU PETROLEUM MACHINERY AND CHEMICAL CO., LTD., PUYANG CITY |
|
CP03 | Change of name, title or address |
Address after: Hualong District of Puyang City, Henan Province, 457006 State Road 106 and Kam Tin Road intersection East 100 meters Patentee after: Henan letter space petroleum machinery is manufactured limited company Address before: Hualong District, Puyang City, Henan Petrochemical Road northbound 457001 Province Patentee before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sinking storage scale prevention oil well pump Effective date of registration: 20140320 Granted publication date: 20130508 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Henan letter space petroleum machinery is manufactured limited company Registration number: 2014990000182 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20180808 |
|
CF01 | Termination of patent right due to non-payment of annual fee |