CN202937233U - Hydraulic reciprocating oil pumping machine - Google Patents
Hydraulic reciprocating oil pumping machine Download PDFInfo
- Publication number
- CN202937233U CN202937233U CN 201220628637 CN201220628637U CN202937233U CN 202937233 U CN202937233 U CN 202937233U CN 201220628637 CN201220628637 CN 201220628637 CN 201220628637 U CN201220628637 U CN 201220628637U CN 202937233 U CN202937233 U CN 202937233U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- machine
- fixed
- hydraulic cylinder
- hydraulic cylinders
- 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
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220628637 CN202937233U (en) | 2012-11-26 | 2012-11-26 | Hydraulic reciprocating oil pumping machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220628637 CN202937233U (en) | 2012-11-26 | 2012-11-26 | Hydraulic reciprocating oil pumping machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202937233U true CN202937233U (en) | 2013-05-15 |
Family
ID=48321477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220628637 Expired - Fee Related CN202937233U (en) | 2012-11-26 | 2012-11-26 | Hydraulic reciprocating oil pumping machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202937233U (en) |
-
2012
- 2012-11-26 CN CN 201220628637 patent/CN202937233U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202280672U (en) | Flywheel energy storage type hydraulic reversing system | |
CN102900400B (en) | Compact hydraulic oil pumping machine adopting composited pneumatic-hydraulic cylinder | |
CA2908234C (en) | Synchronized dual well variable stroke and variable speed pump down control with regenerative assist | |
CN104018814A (en) | Double-balanced range-extended hydraulic oil pumping unit | |
CN203559881U (en) | Gas-balancing hydraulic oil pumping unit | |
CN203463248U (en) | Double-acting multi-cylinder mud pump directly driven by linear motors | |
CN104632139A (en) | Rodless oil extraction device driven by underground permanent magnet linear motor | |
CN113338877A (en) | Horizontal liquid pressurization high-pressure large-displacement injection device for oil field and working method | |
CN202937234U (en) | Single-cylinder hydraulic reciprocating type oil pumping unit | |
CN202937233U (en) | Hydraulic reciprocating oil pumping machine | |
CN203879469U (en) | Hydraulic system with double-oil-well mutual balance function for hydraulic pumping unit | |
CN101702602B (en) | Motor starting device of oil extractor | |
CN103643919A (en) | Continuous exploratory well oil testing and flowing device | |
CN203879467U (en) | Liquid gravity transfer driving lever-type pumping unit | |
CN201528297U (en) | Motor starting device of oil extractor | |
CN202954788U (en) | Energy-saving device of walking-beam pumping unit | |
CN203961921U (en) | A kind of pair of balanced hydraulic oil extractor | |
CN203230546U (en) | High-lift water pump | |
CN203257389U (en) | Well plant inter-well hydraulic balance oil rig | |
CN108301812B (en) | Hydraulic drive beam pumping unit and multi-well combined control hydraulic drive beam pumping unit | |
CN201874538U (en) | Double-well linked hydraulic-assisted oil-pumping machine | |
CN202991419U (en) | Self-aligning de-loading oil well pump driven by linear motor | |
CN203584379U (en) | Exploratory well oil testing continuous draining device | |
CN204984369U (en) | No beam type hydraulic pumping unit's balanced system | |
CA2931420C (en) | Synchronized dual well variable stroke and variable speed pump down control with regenerative assist |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaoning Liaohe oil field Tianbao resource utilization Co., Ltd. Assignor: Shenyang Haolingda New Technology Research Institute Co., Ltd. Contract record no.: 2016210000027 Denomination of utility model: Single-cylinder hydraulic reciprocating type oil pumping unit Granted publication date: 20130515 License type: Exclusive License Record date: 20160825 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20201126 |
|
CF01 | Termination of patent right due to non-payment of annual fee |