CN208073442U - A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation - Google Patents
A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation Download PDFInfo
- Publication number
- CN208073442U CN208073442U CN201820374346.1U CN201820374346U CN208073442U CN 208073442 U CN208073442 U CN 208073442U CN 201820374346 U CN201820374346 U CN 201820374346U CN 208073442 U CN208073442 U CN 208073442U
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- CN
- China
- Prior art keywords
- oil
- pump
- storing tube
- electric submersible
- submersible pump
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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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Abstract
The utility model includes electric submersible pump, oil storing tube, linear dynamo oil pump, is specifically made of electric submersible pump, connector, oil pipe, oil storing tube, casing, sealing cover, cable, pressure sensor, sealing ring, delivery valve, pump barrel, inlet valve, plunger, motor shaft, seal box, motor righting anchor, motor casing, conduit, magnet, mover, conduit righting anchor.Oil storing tube divides two chambers, electric submersible pump to be mounted in oil storing tube epicoele, and linear dynamo oil pump is mounted in oil storing tube cavity of resorption.The fluid amount in oil storing tube epicoele is detected using pressure sensor, when fluid amount reaches oil pumping threshold value, linear dynamo oil pump break-off, electric submersible pump is started to work, fluid is pumped into ground from oil storing tube, until oil storing tube fluid amount is less than oil inlet threshold value, electric submersible pump break-off, linear dynamo oil pump is started to work, and oil pump is sent in oil storing tube and is saved.The core of the utility model is to carry out the intermittent oil pumping of oil storage using electric submersible pump, oil storing tube, linear dynamo oil pump.
Description
Technical field
The utility model belongs to petroleum production engineering field, and specifically a kind of linear dynamo oil pump and electric submersible pump concatenate
Composite oil pumping device.
Background technology
With continually developing for oil gas field, reservoir pressure constantly reduces, and fluid lifting difficulty continues to increase.Oil well is by blowing
The gradual transition of well is Dynamical characteristic, and Dynamical characteristic is generally divided into sucker rod pumping and pumps without bar, and most widely used at present is to have bar pumping
Oil system.In certain blocks, reservoir pressure is low, and fluid percolation flow velocity is slow, and empty take out now is usually will appear using rod pumping system
As causing pumping efficiency low.In this case, intermittent no bar oil pumping is most economical, energy-efficient mode.And due to oil reservoir pressure
Power is low, and casing inner fluid is less, needs frequent start and stop using common intermittent no bar oil pumping, is damaged greatly to motor, and
Energy consumption is big.Want to solve this problem, a kind of scheme is using small-power oil well pump by the fluid savings in oil reservoir to underground
In one container, when this oil vessel is filled, reuses high-power oil well pump and fluid is pumped into ground.Currently, there has been no
Scholar goes out corresponding extracting device of oil based on this oil recovery conceptual design.
Invention content
For stripper well, to improve pumping efficiency, energy-saving, the utility model discloses a kind of oil pumping of linear motor
The composite oil pumping device of pump and electric submersible pump concatenation.
Technical solution used by the utility model is：
The system is made of electric submersible pump, oil storing tube, linear dynamo oil pump, including electric submersible pump, connector, oil pipe, oil storing tube,
Casing, sealing cover, cable, pressure sensor, sealing ring, delivery valve, pump barrel, inlet valve, plunger, motor shaft, seal box, motor
Righting anchor, motor casing, conduit, magnet, mover, conduit righting anchor.Oil storing tube is divided into two chambers, and electric submersible pump is mounted on oil storing tube
Upper chamber in, linear dynamo oil pump be mounted on oil storing tube lower chambers in.Electric submersible pump is mounted on oil pipe bottom, connector lower end
It is connected with electric submersible pump upper end, upper end of joint is connected with oil pipe lower end.Oil storing tube is fixed on oil pipe lower part using sealing cover, conduit by
Conduit righting is anchored on oil storing tube lower end, and motor casing is anchored on by motor righting in conduit, and oil is provided on motor righting anchor
Liquid channel.Magnet is fixed in motor casing, and mover is fixed on motor shaft, and seal box is mounted between motor casing and motor shaft.
Motor shaft upper end is connect with plunger, and inlet valve is equipped on plunger, and plunger is located in pump barrel；Pump barrel lower end is solid with conduit upper end
Fixed, pump barrel upper end connects with oil storage inside pipe wall.Sealing ring is mounted between pump barrel and oil storing tube, and delivery valve is mounted on pump barrel
Portion, delivery valve are fixed valve.Cable is penetrated by the annular space of oil pipe and casing, is connected with electric submersible pump across sealing cover, then wear down
Pump barrel, sealing ring, conduit is crossed with linear motor to be connected.Motor shaft pumps in conduit, when motor shaft is transported downwards
When dynamic, delivery valve is closed, and inlet valve is opened, and fluid is out of bottom sleeve, by the channel between motor casing and conduit, by oil inlet
Valve enters pump barrel；When motor shaft moves upwards, inlet valve is closed, and delivery valve is opened, and pump barrel inner fluid is pumped by delivery valve
It is sent in oil storing tube epicoele.The fluid amount in oil storing tube epicoele is detected using pressure sensor, when fluid amount reaches oil pumping threshold
When value, linear dynamo oil pump break-off, electric submersible pump is started to work, and fluid is pumped into ground from oil storing tube, until storage
Oil pipe fluid amount is less than oil inlet threshold value, electric submersible pump break-off, and linear dynamo oil pump is started to work, and fluid is pumped into oil storage
Savings are got up in pipe, and so on, carry out intermittent oil pumping.The core of the utility model is to utilize electric submersible pump, oil storing tube, straight line
Motor oil well pump forms composite oil pumping system, carries out intermittent oil pumping.
Compared with existing oil pumping system, the utility model has the following advantages：
1, using electric submersible pump, oil storing tube, linear dynamo oil pump, composite oil pumping system is formed, intermittent oil pumping is carried out, keeps away
Exempt from the empty of electric submersible pump and taken out phenomenon, improves pumping efficiency, energy efficiency, especially suitable for stripper well.
2, linear dynamo oil pump service intermittent can guarantee the abundant seepage flow of fluid, be effectively protected in shutdown phase
Oil reservoir, improves the recovery ratio of oil reservoir.
3, high degree of filling is remained when electric submersible pump works, working environment is good, long lifespan.
Description of the drawings
Fig. 1 is the structural representation of a kind of linear dynamo oil pump of the utility model and the composite oil pumping device of electric submersible pump concatenation
Figure.
In figure：1. electric submersible pump, 2. connectors, 3. oil pipes, 4. oil storing tubes, 5. casings, 6. sealing covers, 7. cables, 8. pressure pass
Sensor, 9. sealing rings, 10. delivery valves, 11. pump barrels, 12. inlet valves, 13. plungers, 14. motor shafts, 15. seal boxes, 16. electricity
Machine righting anchor, 17. motor casings, 18. conduits, 19. magnets, 20. movers, 21. conduit righting anchors.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, the composite oil pumping device of a kind of linear dynamo oil pump of the utility model and electric submersible pump concatenation, including
Electric submersible pump, oil storing tube, linear dynamo oil pump, specifically by electric submersible pump 1, connector 2, oil pipe 3, oil storing tube 4, casing 5, sealing cover 6,
Cable 7, pressure sensor 8, sealing ring 9, delivery valve 10, pump barrel 11, inlet valve 12, plunger 13, motor shaft 14, seal box 15,
Motor righting anchor 16, motor casing 17, conduit 18, magnet 19, mover 20, conduit righting anchor 21 form.
Electric submersible pump 1 is mounted on 3 bottom of oil pipe, and 2 lower end of connector is connected with 1 upper end of electric submersible pump, under 2 upper end of connector and oil pipe 3
End is connected.Oil storing tube 4 is fixed on 3 lower part of oil pipe using sealing cover 6.Conduit 18 is fixed on by conduit righting anchor 21 under oil storing tube 4
End, motor casing 17 are fixed on by motor righting anchor 16 in conduit 18, and oil passage is provided on motor righting anchor 16.Magnet 19 is fixed
In motor casing 17, mover 20 is fixed on motor shaft 14, and mover 20 can pump along magnet 19, and seal box 15 is pacified
Between motor casing 17 and motor shaft 14, it is used for the dynamic sealing of motor shaft 14 and motor casing 17, prevents fluid from entering motor casing
Inside 17.14 upper end of motor shaft is connect with plunger 13, and inlet valve 12 is equipped on plunger 13, and plunger 13 is located in pump barrel 11.Pump
11 lower ends of cylinder are fixed with 18 upper end of conduit, and 11 upper end of pump barrel connects with 4 inner wall of oil storing tube.Pressure sensor 8 is mounted on pump barrel 11
Upper surface.Sealing ring 9 is mounted between pump barrel 11 and oil storing tube 4, and the partition of oil storing tube 4 is upper and lower two chambers by sealing ring 9
Room.Electric submersible pump 1 is located at 4 upper chamber bottom of oil storing tube.Delivery valve 10 is mounted on 11 top of pump barrel, and delivery valve 10 is fixed valve.Electricity
Cable 7 is penetrated by the annular space of oil pipe 3 and casing 5, is connected with electric submersible pump 1 across sealing cover 6, then passes through pump barrel 11, sealing ring down
9, conduit 18 is connected with linear motor.
When work, motor shaft 14 pumps in conduit 18, when motor shaft 14 moves downward, delivery valve 10
Close, inlet valve 12 is opened, and fluid is from casing 5, by the channel between motor casing 17 and conduit 18, by inlet valve 12 into
Enter pump barrel 11；When motor shaft 14 moves upwards, inlet valve 12 is closed, and delivery valve 10 is opened, and 11 inner fluid of pump barrel passes through fuel-displaced
Valve 10 is pumped into the epicoele of oil storing tube 4.Pressure sensor 8 is used to detect the fluid amount in 4 epicoele of oil storing tube, when fluid amount
When reaching oil pumping threshold value, linear dynamo oil pump break-off, electric submersible pump 1 is started to work, and fluid is pumped from oil storing tube 4
To ground, until fluid amount is less than oil inlet threshold value, 1 break-off of electric submersible pump in oil storing tube 4, linear dynamo oil pump starts work
Make, fluid is pumped into oil storing tube 4 and is saved, and so on, carries out intermittent oil pumping.
Linear dynamo oil pump is changed to other small-power electric submersible pumps, using small-power electric submersible pump by the fluid in oil reservoir
It is pumped into oil storing tube and stores, when fluid amount reaches certain value in oil storing tube, reuse high-power electric submersible pump and pump fluid
To ground, this change should be regarded as in the technical solution of the utility model.
Claims (2)
1. the composite oil pumping device of a kind of linear dynamo oil pump and electric submersible pump concatenation, including electric submersible pump, oil storing tube, linear motor
Oil well pump, specifically by electric submersible pump (1), connector (2), oil pipe (3), oil storing tube (4), casing (5), sealing cover (6), cable (7), pressure
Force snesor (8), sealing ring (9), delivery valve (10), pump barrel (11), inlet valve (12), plunger (13), motor shaft (14), sealing
Box (15), motor righting anchor (16), motor casing (17), conduit (18), magnet (19), mover (20), conduit righting anchor (21) group
At；It is characterized in that：Oil storing tube is divided into two chambers, and electric submersible pump is mounted in the upper chamber of oil storing tube, linear dynamo oil pump
It is anchored in the lower chambers of oil storing tube by conduit righting；Electric submersible pump is on oil pipe bottom, connector lower end and electric submersible pump
End is connected, and upper end of joint is connected with oil pipe lower end；Oil storing tube is fixed on oil pipe lower part using sealing cover；Conduit is by conduit righting anchor
It is fixed on oil storing tube lower end, motor casing is anchored on by motor righting in conduit, and oil passage is provided on motor righting anchor；Magnet
It is fixed in motor casing, mover is fixed on motor shaft, and seal box is mounted between motor casing and motor shaft；Motor shaft upper end with
Plunger connects, and plunger is located in pump barrel；Pump barrel lower end is fixed with conduit upper end, and pump barrel upper end connects with oil storage inside pipe wall；Sealing
Ring is mounted between pump barrel and oil storing tube, and cable is penetrated by the annular space of oil pipe and casing, is connected with electric submersible pump across sealing cover, then
Pump barrel, sealing ring, conduit is passed through to be connected with linear motor down；Pressure sensor is mounted on the upper surface of pump barrel, for detecting
Fluid amount in oil storing tube epicoele.
2. the composite oil pumping device of a kind of linear dynamo oil pump and electric submersible pump concatenation as described in claim 1, feature exist
In：The motor shaft upper end is connect with plunger, and inlet valve is installed on plunger, and inlet valve is travelling valve；Delivery valve is mounted on pump
Cylinder top, delivery valve are fixed valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374346.1U CN208073442U (en) | 2018-03-20 | 2018-03-20 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374346.1U CN208073442U (en) | 2018-03-20 | 2018-03-20 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073442U true CN208073442U (en) | 2018-11-09 |
Family
ID=64047367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820374346.1U Expired - Fee Related CN208073442U (en) | 2018-03-20 | 2018-03-20 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
-
2018
- 2018-03-20 CN CN201820374346.1U patent/CN208073442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20200320 |