CN208619089U - 一种双旋转抽油器 - Google Patents
一种双旋转抽油器 Download PDFInfo
- Publication number
- CN208619089U CN208619089U CN201821080744.9U CN201821080744U CN208619089U CN 208619089 U CN208619089 U CN 208619089U CN 201821080744 U CN201821080744 U CN 201821080744U CN 208619089 U CN208619089 U CN 208619089U
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- Prior art keywords
- pump barrel
- box cupling
- center
- pole
- sucker
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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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- 230000009977 dual effect Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821080744.9U CN208619089U (zh) | 2018-07-09 | 2018-07-09 | 一种双旋转抽油器 |
Applications Claiming Priority (1)
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CN201821080744.9U CN208619089U (zh) | 2018-07-09 | 2018-07-09 | 一种双旋转抽油器 |
Publications (1)
Publication Number | Publication Date |
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CN208619089U true CN208619089U (zh) | 2019-03-19 |
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CN201821080744.9U Active CN208619089U (zh) | 2018-07-09 | 2018-07-09 | 一种双旋转抽油器 |
Country Status (1)
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CN (1) | CN208619089U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108625826A (zh) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | 一种双旋转抽油器 |
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2018
- 2018-07-09 CN CN201821080744.9U patent/CN208619089U/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108625826A (zh) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | 一种双旋转抽油器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A double rotary oil pump Effective date of registration: 20220812 Granted publication date: 20190319 Pledgee: Dalian Rural Commercial Bank Co., Ltd. Development Zone Sub-branch Pledgor: DALIAN KUNLIN METAL PRODUCT Co.,Ltd. Registration number: Y2022980012478 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231027 Granted publication date: 20190319 Pledgee: Dalian Rural Commercial Bank Co.,Ltd. Development Zone Sub branch Pledgor: DALIAN KUNLIN METAL PRODUCT Co.,Ltd. Registration number: Y2022980012478 |