CN208686360U - A kind of well liquid drive oil pumping system - Google Patents
A kind of well liquid drive oil pumping system Download PDFInfo
- Publication number
- CN208686360U CN208686360U CN201821151763.6U CN201821151763U CN208686360U CN 208686360 U CN208686360 U CN 208686360U CN 201821151763 U CN201821151763 U CN 201821151763U CN 208686360 U CN208686360 U CN 208686360U
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- China
- Prior art keywords
- pressure pipe
- piston
- oil pumping
- slab
- valve group
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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.)
- Expired - Fee Related
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- Reciprocating Pumps (AREA)
Abstract
The utility model provides a kind of well liquid drive oil pumping system.In the system, the lower end of pressure pipe is sealed, and the top of pressure pipe is provided with slab, and slab is provided centrally with through-hole；The upper surface of piston, the inner wall of pressure pipe, slab lower surface enclose and formed hydraulic power chamber；Enclose and formed oil pumping power cavity in the lower end of the lower surface of piston and the inner wall of pressure pipe and sealing；The first unidirectional valve group and second one-way valve group are respectively arranged on the tube wall of pressure pipe；Expand the outside for being set in the oil pumping power cavity and the first unidirectional valve group of pressure pipe in one end of oil pick-up tube；Piston upper surface is fixedly installed power arm, and power arm is through through-hole and relative to the opposite sliding of through-hole；The tail end of power arm is provided with frosted guide rail；It is provided with rubber roll in pressure pipe, above slab, power arm moves back and forth under the drive of rubber roll.The well liquid of the utility model, which drives oil pumping system, can be suitable for Large-scale Reciprocating oil pumping mode, and efficiency is high.
Description
Technical field
The utility model belongs to exploitation of oil-gas field artificial lift technology field more particularly to a kind of well liquid drives oil pumping system
System.
Background technique
Existing artificial lift technology, which can be divided into, to be had bar to lift and lifts two major classes without bar.The hydraulic piston applied in oil field
It pumps to recover the oil and belongs to no bar lifting, it is a kind of be used for from oil that hydraulic piston pumping system, which is a kind of hydraulicdriven no bar pumping equipment,
The equipment that petroleum is lifted in well, it is to be pumped into down-hole drive through oil pipe or designated lane after being pressurized power fluid by Surface power drive pump
Piston and master control slide valve in oil cylinder, make fluid motor pump, so that produced liquid in oil well is given rise to ground.
In the prior art, when applying to Large-scale Reciprocating oil pumping system, the hydraulic piston pump efficiency that often force (forcing) pump is infused
Greater than the efficiency for absorbing power fluid decompression, Shi Wuli is mentioned upper so will lead to Large Piston.Often change in the prior art
Pipeline, so that piston above mentions also can will often set by the way of pressurization injection, but such that pipe-line system is sufficiently complex
Count independent hydraulic pump system and piston oil pumping system.
Utility model content
For the existing defect of the prior art, the utility model provides a kind of well liquid drive oil pumping system, can be applicable in
In Large-scale Reciprocating oil pumping mode, system structure is simple, and oil pumping power is strong, efficiency is high.
Technical solution is as follows:
The utility model provides a kind of well liquid and drives oil pumping system, the system include: hydraulic pump, pressure pipe, oil pick-up tube and
Piston；
The lower end of the pressure pipe seals, and the top of the pressure pipe is provided with a slab, the surrounding of the slab and institute
The inner wall for stating pressure pipe is mutually sealedly and fixedly connected；
The slab is provided centrally with through-hole；
The piston is arranged in inside the pressure pipe, between the slab and the lower end of the pressure pipe；The piston
Match and seal with the inner wall of the pressure pipe；The piston moves back and forth in the pressure pipe；
The upper surface of the piston, the inner wall of the pressure pipe, the slab lower surface enclose and formed hydraulic power chamber；
The hydraulic power chamber is connected with the hydraulic pump；
Enclose and formed oil pumping power cavity in the lower end of the inner wall and sealing of the lower surface of the piston and the pressure pipe；
The first unidirectional valve group and second one-way valve group are respectively arranged on the tube wall of the pressure pipe, the first unidirectional valve group
For liquid flow direction to flow to power cavity of pumping by outside, the liquid flow direction of second one-way valve group is external to be flowed to by oil pumping power cavity；
Oil well is protruded into one end of the oil pick-up tube, the other end expands the oil pumping power cavity and first for being set in the pressure pipe
The outside of unidirectional valve group；The junction of the oil pick-up tube and the pressure pipe seals, and passes through check valve and the oil pumping power
Chamber is connected；
The piston upper surface is fixedly installed power arm, and the power arm is through the through-hole and opposite relative to through-hole
Sliding；
Using the one end being connected with the piston as the head end of power arm, the tail end of the power arm is provided with frosted and leads
Rail；
In the pressure pipe, rubber roll, the rubber roll and the frosted guide rail are provided with above the slab
Match, the power arm moves back and forth under the drive of rubber roll；The rubber roll is by being fixed at the pressure
Bracket in solenoid is fixed, and the rubber roll is driven by a motor.
Above-mentioned well liquid drives in oil pumping system, it is preferred that the second one-way valve group is connected with external pipeline road.
By above technical solution, the utility model has the beneficial effects that:
The well liquid of the utility model drive oil pumping system using hydraulic pump and power rubber wheel with and, the two collaboration is made
With can pump mode suitable for Large-scale Reciprocating, and system structure is simple, and oil pumping power is strong, efficiency is high.
Detailed description of the invention
It, below will be in embodiment description in order to illustrate more clearly of the technical solution in the utility model embodiment
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art, can also basis under the premise of not paying creative labor
These attached drawings obtain other attached drawings.
Fig. 1 is that the well liquid of the utility model drives the structural schematic diagram of oil pumping system.
Specific embodiment
Below by the attached drawing in knot and the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of specific embodiment of well liquid drive oil pumping system, as shown in Figure 1, the system packet
It includes: hydraulic pump 1, pressure pipe 8, oil pick-up tube 10 and piston 6；
The lower end of the pressure pipe 8 seals, and the top of the pressure pipe 8 is provided with a slab 5, the surrounding of the slab 5
It is mutually sealedly and fixedly connected with the inner wall of the pressure pipe 8；
The slab 5 is provided centrally with through-hole；
The piston 6 is arranged in inside the pressure pipe 8, between the slab 6 and the lower end of the pressure pipe 8；It is described
The inner wall of piston 6 and the pressure pipe 8 matches and seals；The piston 6 moves back and forth in the pressure pipe 8；
The upper surface of the piston 6, the inner wall of the pressure pipe 8, the slab 5 lower surface enclose and formed hydraulic power
Chamber 11；The hydraulic power chamber 11 is connected with the hydraulic pump 1；Hydraulically actuated fluid is in the hydraulic power chamber 11 and the liquid
It is flowed between press pump 1.
Enclose and formed oil pumping power cavity in the lower end of the inner wall and sealing of the lower surface of the piston 6 and the pressure pipe 8；
The first unidirectional valve group 9 and second one-way valve group 7, the first check valve are respectively arranged on the tube wall of the pressure pipe 8
The liquid flow direction of group 9 is that power cavity of pumping is flowed to by outside, and the liquid flow direction of second one-way valve group 7 is to be flowed to by oil pumping power cavity
It is external；
Oil well is protruded into one end of the oil pick-up tube 10, the other end expands the oil pumping power cavity for being set in the pressure pipe 8 and
The outside of first unidirectional valve group 9；The oil pick-up tube 10 and the junction of the pressure pipe 8 seal, and pass through unidirectional valve group 9 and institute
Oil pumping power cavity is stated to be connected；
6 upper surface of piston is fixedly installed power arm 2, and the power arm 2 is through the through-hole and relative to through-hole
Opposite sliding；
Using the one end being connected with the piston 6 as the head end of power arm 2, the tail end of the power arm 2 is provided with frosted
Guide rail 3；
The top of interior, the described slab 5 of the pressure pipe 8 is provided with rubber roll 4, the rubber roll 4 and the frosted
Guide rail 3 matches, and the power arm 2 moves back and forth under the drive of rubber roll 4；The rubber roll 4 passes through fixed setting
Bracket on the pressure pipe is fixed, and the rubber roll 4 is driven by a motor.
In further embodiment, the second one-way valve group 7 is connected with external pipeline road.
The well liquid of the utility model drives oil pumping system and works in this way, and oil pumping starts, and hydraulic pump is by hydraulic power chamber
In power fluid draw back hydraulic pump and form negative pressure, rubber roll is upper driven by the motor to carry the arm of force, and the two cooperation lifting is lived
Plug drives oil pick-up tube oil pumping so that oil pumping power cavity increases to form negative pressure, and petroleum enters oil pumping power by the first unidirectional valve group
Chamber；When oil pump is gone out, power fluid is pumped into hydraulic power chamber by hydraulic pump, and power fluid pushes piston to move down；Rubber roll is in motor
Drive under pushing power arm, the two cooperation push piston so that oil pumping power cavity reduce, by pump power cavity in petroleum lead to
The extrusion of second one-way valve group is crossed, external pipeline road is transferred into.
As it can be seen that the well liquid of the utility model drive oil pumping system using hydraulic pump and power rubber wheel with and, the two association
Same-action can be suitable for Large-scale Reciprocating oil pumping mode, and system structure is simple, and oil pumping power is strong, efficiency is high.It does not need individually
Hydraulic power unit and oil pumping unit design.
The foregoing is merely several embodiments of the utility model, and those skilled in the art is according to disclosed in application documents
Content can carry out various changes or modifications without departing from the spirit and scope of the utility model to the utility model embodiment.
Claims (2)
1. a kind of well liquid drives oil pumping system, it is characterised in that: the system includes: hydraulic pump, pressure pipe, oil pick-up tube and piston；
The lower end of the pressure pipe seals, and the top of the pressure pipe is provided with a slab, the surrounding of the slab and the pressure
The inner wall of solenoid is mutually sealedly and fixedly connected；
The slab is provided centrally with through-hole；
The piston is arranged in inside the pressure pipe, between the slab and the lower end of the pressure pipe；The piston and institute
The inner wall for stating pressure pipe matches and seals；The piston moves back and forth in the pressure pipe；
The upper surface of the piston, the inner wall of the pressure pipe, the slab lower surface enclose and formed hydraulic power chamber；It is described
Hydraulic power chamber is connected with the hydraulic pump；
Enclose and formed oil pumping power cavity in the lower end of the inner wall and sealing of the lower surface of the piston and the pressure pipe；
The first unidirectional valve group and second one-way valve group, the liquid of the first unidirectional valve group are respectively arranged on the tube wall of the pressure pipe
For flow direction to flow to power cavity of pumping by outside, the liquid flow direction of second one-way valve group is external to be flowed to by oil pumping power cavity；
Oil well is protruded into one end of the oil pick-up tube, the other end expands the oil pumping power cavity for being set in the pressure pipe and first is unidirectional
The outside of valve group；The junction of the oil pick-up tube and the pressure pipe seals, and passes through check valve and the oil pumping power cavity phase
Connection；
The piston upper surface is fixedly installed power arm, and the power arm is through the through-hole and relatively sliding relative to through-hole
It is dynamic；
Using the one end being connected with the piston as the head end of power arm, the tail end of the power arm is provided with frosted guide rail；
Rubber roll, the rubber roll and the frosted guide rail phase are provided in the pressure pipe, above the slab
Match, the power arm moves back and forth under the drive of rubber roll；The rubber roll is by being fixed at the pressure pipe
On bracket fix, the rubber roll is driven by a motor.
2. well liquid according to claim 1 drives oil pumping system, it is characterised in that: the second one-way valve group and outside are defeated
Oil pipe line is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821151763.6U CN208686360U (en) | 2018-07-20 | 2018-07-20 | A kind of well liquid drive oil pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821151763.6U CN208686360U (en) | 2018-07-20 | 2018-07-20 | A kind of well liquid drive oil pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686360U true CN208686360U (en) | 2019-04-02 |
Family
ID=65881672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821151763.6U Expired - Fee Related CN208686360U (en) | 2018-07-20 | 2018-07-20 | A kind of well liquid drive oil pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686360U (en) |
-
2018
- 2018-07-20 CN CN201821151763.6U patent/CN208686360U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190402 Termination date: 20190720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |