CN201461346U - Two-way plunger piston oil-extraction electric pump - Google Patents
Two-way plunger piston oil-extraction electric pump Download PDFInfo
- Publication number
- CN201461346U CN201461346U CN2009201004767U CN200920100476U CN201461346U CN 201461346 U CN201461346 U CN 201461346U CN 2009201004767 U CN2009201004767 U CN 2009201004767U CN 200920100476 U CN200920100476 U CN 200920100476U CN 201461346 U CN201461346 U CN 201461346U
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- CN
- China
- Prior art keywords
- oil
- plunger piston
- electric pump
- line motor
- immersion line
- 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
The utility model relates to a two-way plunger piston oil-extraction electric pump mainly solving the problems of low oil-extraction efficiency and high energy consumption of the existing reciprocating type submersible electric pump. The two-way plunger piston oil-extraction electric pump is characterized by comprising a submersible linear motor (1), the submersible linear motor (1) comprises a stator and a rotor; the upper end and the lower end of the submersible linear motor (1) are coaxially connected with a pump cylinder (2); the lower end of a hollow submersible linear motor shaft (3) is connected with a lower plunger piston (4); the upper end of the hollow submersible linear motor shaft (3) is connected with an upper plunger piston (5); the difference of the diameter of the lower plunger piston (4) and the diameter of the upper plunger piston (5) is a positive value; the upper end and the lower end of the pump cylinder (2) are provided with check valves (6); the lower end of the lower plunger piston (4) is provided with the check valve (6); and the submersible linear motor (1) is connected with an inner circuit of a ground motor control cabinet through cables. The two-way plunger piston oil-extraction electric pump has high oil-extraction efficiency and lower energy consumption.
Description
Technical field:
The utility model relates to the oil recovery well lifting of oil recovery field, oil field used oil extraction pump, especially bidirectional ram oil recovery electric pump.
Background technique:
In oil recovery field, oil field, oil extraction pump is important oil recovery well lifting equipment.Oil extraction pump divides oil well pump, screw pump, submersible electric pump and reciprocating submersible electric pump.Reciprocating submersible electric pump drives plunger by linear electric motor and pumps in working barrel, reaches the lifting purpose.And existing reciprocating submersible electric pump causes cost for oil production to increase because reasons in structure exists the low and high problem of energy consumption of pumping efficiency, and the oil recovery well benefit reduces.
The model utility content:
In order to solve the low and high problem of energy consumption of existing reciprocating submersible electric pump pumping efficiency, the utility model provides a kind of bidirectional ram oil recovery electric pump, and this bidirectional ram oil recovery electric pump has pumping efficiency height and characteristic of low energy consumption.
The technical solution of the utility model is: this bidirectional ram oil recovery electric pump comprises the oil immersion line motor of being made up of stator and mover, the coaxial connection pump barrel of oil immersion line motor upper and lower end, oil immersion line motor axle lower end is connected with lower plunger, hollow oil immersion line motor axle upper end is connected with upper plug, the diameter of lower plunger and upper plug diameter difference be on the occasion of, the pump barrel upper and lower end is provided with one-way valve, the lower plunger lower end is provided with one-way valve, and oil immersion line motor is connected with circuit in the motor controlling cabinet of ground by cable.
Stator upper and lower end in the oil immersion line motor housing in the such scheme is fixed with the sealing limited ring respectively, is inlaid with guide pin bushing between stator and mover; Have equalizing orifice on the pump barrel wall of upper-lower seal limited ring upper and lower end, equalizing orifice is built-in with filter screen.
The utlity model has following beneficial effect: this bidirectional ram oil recovery electric pump is at first because the structure that lower plunger and pump barrel upper and lower end and lower plunger lower end are set up one-way valve is gone up in employing, the characteristic of utilizing oil immersion line motor to move up and down, under identical condition, the discharge capacity of this bidirectional ram oil recovery electric pump increases greatly, improved pumping efficiency thus and cut down the consumption of energy, finally reduced cost for oil production, improve the oil recovery well benefit, this bidirectional ram oil recovery electric pump has pumping efficiency height and characteristic of low energy consumption thus.
Description of drawings:
Accompanying drawing 1 is the utility model structural representation.
1-oil immersion line motor among the figure, the 2-pump barrel, 3-oil immersion line motor axle, the 4-lower plunger, the 5-upper plug, the 6-one-way valve, the 7-equalizing orifice, 8-seals limited ring, 9-guide pin bushing.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in drawings, this bidirectional ram oil recovery electric pump comprises the oil immersion line motor of being made up of stator and mover 1, the coaxial connection pump barrel 2 of oil immersion line motor 1 upper and lower end, oil immersion line motor axle 3 lower ends are connected with lower plunger 4, stator upper and lower end in oil immersion line motor 1 housing is fixed with sealing limited ring 8 respectively, be marked with cooling machine oil in 8 toroidal cavities of two sealing limited rings, between stator and mover, be inlaid with guide pin bushing 9. hollow oil immersion line motor axles 3 upper ends and be connected with upper plug 5, the diameter of lower plunger 4 and upper plug 5 diameter differences be on the occasion of, just lower plunger 4 diameters are greater than upper plug 5 diameters, pump by hollow oil immersion line motor 1 drive upper plug 5 and lower plunger 4, reach the purpose of lifting well liquid. on pump barrel 2 walls of upper-lower seal limited ring 8 upper and lower end, have equalizing orifice 7, equalizing orifice 7 is built-in with filter screen, equalizing orifice 7 plays the 2 external and internal pressure effects of balance pump barrel. and pump barrel 2 upper and lower end are provided with one-way valve 6, lower plunger 4 lower ends are provided with one-way valve 6, passing in and out by one-way valve 6 control well liquid. oil immersion line motor 1 is connected with circuit in the motor controlling cabinet of ground by cable, by circuit control oil immersion line motor 1 in the motor controlling cabinet, when the well liquid measure is not enough, pump barrel 2 upper end one-way valves 6 are closed, oil immersion line motor 1 electric current is increased, can judge this working state in the down-hole by this electric current.
During actual the use, at first this bidirectional ram oil recovery electric pump is connected the lower end of tubing string, is lowered in the oil reservoir and can normally uses.When hollow oil immersion line motor axle 3 moved upward, pump barrel 2 upper and lower end one-way valves 6 were opened, and lower plunger 4 lower end one-way valves 6 are closed, and lower plunger 4 aspirates well liquid in sleeve pipe, and upper plug 5 is lifting well liquid earthward.When hollow oil immersion line motor axle 3 moved downward, pump barrel 2 upper end one-way valves 6 were opened, and pump barrel 2 lower end one-way valves 6 are closed, and lower plunger 4 lower end one-way valves 6 are opened, and lower plunger 4 squeezes well-killing liquid and flows to upper plug 5 upper ends from hollow oil immersion line motor axle 3.When oil immersion line motor 1 moved up and down, upper plug 5 and lower plunger 4 did work respectively, thereby have improved pumping efficiency, have reduced energy consumption like this.When well liquid is not enough, can pass through the 2 external and internal pressure effects of equalizing orifice 7 balance pump barrels, prolong the working life of this pump.Pump barrel 2 upper end one-way valves 6 are the flow direction of control well liquid not only, and embodies the operating mode of this pump in the down-hole, plays the purpose of this pump of protection.
Claims (3)
1. bidirectional ram oil recovery electric pump, comprise the oil immersion line motor of forming by stator and mover (1), the coaxial connection pump barrel of oil immersion line motor (1) upper and lower end (2), oil immersion line motor axle (3) lower end is connected with lower plunger (4), it is characterized in that: hollow oil immersion line motor axle (3) upper end is connected with upper plug (5), the diameter of lower plunger (4) and upper plug (5) diameter difference be on the occasion of, pump barrel (2) upper and lower end is provided with one-way valve (6), lower plunger (4) lower end is provided with one-way valve (6), and oil immersion line motor (1) is connected with circuit in the motor controlling cabinet of ground by cable.
2. bidirectional ram oil recovery electric pump according to claim 1 is characterized in that: the stator upper and lower end in oil immersion line motor (1) housing is fixed with sealing limited ring (8) respectively, is inlaid with guide pin bushing (9) between stator and mover.
3. bidirectional ram oil recovery electric pump according to claim 1 is characterized in that: have equalizing orifice (7) on pump barrel (2) wall of upper-lower seal limited ring (8) upper and lower end, equalizing orifice (7) is built-in with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201004767U CN201461346U (en) | 2009-07-23 | 2009-07-23 | Two-way plunger piston oil-extraction electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201004767U CN201461346U (en) | 2009-07-23 | 2009-07-23 | Two-way plunger piston oil-extraction electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461346U true CN201461346U (en) | 2010-05-12 |
Family
ID=42388700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201004767U Expired - Fee Related CN201461346U (en) | 2009-07-23 | 2009-07-23 | Two-way plunger piston oil-extraction electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461346U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817820A (en) * | 2012-09-14 | 2012-12-12 | 王常青 | Hydraulic-driving-type oil pumping and boosting pump |
| CN103244395A (en) * | 2012-02-09 | 2013-08-14 | 中国石油集团渤海石油装备制造有限公司 | Tertiary-recovery oil well pump |
| CN106996361A (en) * | 2017-04-28 | 2017-08-01 | 宁波修远机电有限公司 | A kind of linear motor plunger pump |
| CN107191160A (en) * | 2017-05-28 | 2017-09-22 | 上海飞舟博源石油装备技术有限公司 | Double plunger latent oil Diaphragm pump system and its relay lifting method |
| CN112283063A (en) * | 2019-07-25 | 2021-01-29 | 中国石油天然气股份有限公司 | Machine-pump integrated oil production device and method |
| CN113431813A (en) * | 2021-07-25 | 2021-09-24 | 广州嵩晨机电科技有限公司 | Hydraulic system assembly mechanism for field petroleum extraction and reciprocating oil pumping control |
-
2009
- 2009-07-23 CN CN2009201004767U patent/CN201461346U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244395A (en) * | 2012-02-09 | 2013-08-14 | 中国石油集团渤海石油装备制造有限公司 | Tertiary-recovery oil well pump |
| CN102817820A (en) * | 2012-09-14 | 2012-12-12 | 王常青 | Hydraulic-driving-type oil pumping and boosting pump |
| CN102817820B (en) * | 2012-09-14 | 2015-08-05 | 王常青 | Hydraulic drive type oil pumping suction booster |
| CN106996361A (en) * | 2017-04-28 | 2017-08-01 | 宁波修远机电有限公司 | A kind of linear motor plunger pump |
| CN106996361B (en) * | 2017-04-28 | 2019-01-18 | 宁波修远机电有限公司 | A kind of linear motor plunger pump |
| CN107191160A (en) * | 2017-05-28 | 2017-09-22 | 上海飞舟博源石油装备技术有限公司 | Double plunger latent oil Diaphragm pump system and its relay lifting method |
| CN107191160B (en) * | 2017-05-28 | 2023-05-02 | 上海飞舟博源石油装备股份有限公司 | Double-plunger submersible diaphragm pump system and relay lifting method thereof |
| CN112283063A (en) * | 2019-07-25 | 2021-01-29 | 中国石油天然气股份有限公司 | Machine-pump integrated oil production device and method |
| CN113431813A (en) * | 2021-07-25 | 2021-09-24 | 广州嵩晨机电科技有限公司 | Hydraulic system assembly mechanism for field petroleum extraction and reciprocating oil pumping control |
| CN113431813B (en) * | 2021-07-25 | 2024-04-12 | 广州嵩晨机电科技有限公司 | Hydraulic system assembly mechanism for field oil extraction and reciprocating oil pumping control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20120723 |