CN208184945U - Efficient air-trapping oil-well pump is oriented in hollow type - Google Patents
Efficient air-trapping oil-well pump is oriented in hollow type Download PDFInfo
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- CN208184945U CN208184945U CN201820695703.4U CN201820695703U CN208184945U CN 208184945 U CN208184945 U CN 208184945U CN 201820695703 U CN201820695703 U CN 201820695703U CN 208184945 U CN208184945 U CN 208184945U
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- pump barrel
- pump
- guiding
- gas
- exhaust tube
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- 239000003129 oil well Substances 0.000 title claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 238000007872 degassing Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000007789 gas Substances 0.000 description 46
- 238000011084 recovery Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010015137 Eructation Diseases 0.000 description 1
- 208000027687 belching Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses be oriented to efficient air-trapping oil-well pump in a kind of hollow type, including pump barrel in interior guiding and lower pump barrel, storage exhaust tube is provided between pump barrel and the lower pump barrel in the interior guiding, the upper end of the storage exhaust tube is connect with pump barrel in the interior guiding, and the lower end of the storage exhaust tube is connect with the lower pump barrel；Hollow type air storing cavity is formed on the storage exhaust tube and the interior guiding between pump barrel, channel is opened to pump interior gas, to increase the coefficient of fullness for pumping interior liquid, reduces the gas liquid ratio in pump, eliminate the interference of gas, be conducive to the raising of pump efficiency.The utility model can effective guarantee used in the big oil well of oil-gas ratio, improve the functional reliability of product, improve coefficient of fullness in pumping, it prevents gas lock and liquid level impact phenomenon is avoided to occur, achieve the purpose that improve product service life, its structure is simple, and repair and replacement are convenient, and the course of work is safe and reliable.
Description
Technical field
The utility model belongs to oil extraction in oil field underground oil well pump technical field, and in particular to a kind of interior guiding of hollow type is efficient
Airlock-resistant oil pump.
Background technique
Currently, it is whole cylinder type oil pump that oil field at home is widely used, and in high gas-liquid ratio oil well, shadow of the gas to pump efficiency
Sound is very serious.These gases occupy the partial volume of pump chamber, can reduce the degree of filling in pump chamber, Yalve Balls of Sucker Rod Pumps is caused to be opened
Lag, or even there is " gas lock " phenomenon." liquid level impact " is also occurred that when " gas lock ", is caused the vibration of rod pumping system, is added
Its fast oil recovery damage of components.It will cause the frequent operation of pumpingh well, shorten pump detection period, cost of winning increases.
The technology now taken mainly has: from reducing into the gassiness ratio in pump liquid, mainly by increase submergence, reducing jig frequency
It is realized with using various gas anchors with casing gas is bled off in due course；In terms of reducing the influence opened into pump free gas to pump valve, reduce
Clearance volume reaches.Among these main difference is that the gas-tight principle of airlock-resistant oil pump is different, such as open pressure using reducing
The anti-gas lock travelling valve of difference, uses the travelling valve of mechanical enforced opening to reduce the influence that free gas opens travelling valve.
So above-mentioned gas prevention pump is all to have carried out some improvement to valve body or cavity on the basis of common oil well pump, have certain
Effect, but there are still following shortcomings: after 1. connecting gas anchor under oil well pump, isolated gas enters oil jacket ring until upper
It is raised to well head, casing pressure increases when accumulated gas is too many, if bleeding off casing gas not in time will cause influence to hydrodynamic face, causes
Submergence, which reduces, influences recovery ratio；2. when using mechanical enforced opening structural formula, due to pumping the influence of design feature itself,
38mm pump diameter and following specification product can not be processed, small displacement hyposmosis well can not be applied, be restricted.Therefore research pump
Effect is high, the service life is long, the convenient gas-proof oil well pump of operation and maintenance has certain economy and practical value.
Utility model content
It is to be solved in the utility model in order to overcome the shortcomings of that existing oil well pump disadvantage and gas-tight effect are undesirable
It is efficiently anti-that technical problem is to provide guiding in the hollow type that a kind of structure is simple, repair and replacement are convenient, the course of work is safely controllable
Gas oil well pump.
In order to solve the above technical problems, the technical solution of the utility model is: efficient air-trapping oil-well pump is oriented in hollow type,
Including pump barrel in interior guiding and lower pump barrel, the threaded upper ends of pump barrel are connected with box cupling in the interior guiding, the upper box cupling
Upper end is connected to flow string；The lower thread of the lower pump barrel is connected with lower box cupling；The lower thread of the lower box cupling connects
There is fixed valve assembly, the lower end of the fixed valve assembly is connected to oil inlet screen casing under oil well pump；Pump barrel and institute in the interior guiding
It states and is provided with storage exhaust tube between lower pump barrel, the upper end of the storage exhaust tube is connect with pump barrel in the interior guiding, the storage row
The lower end of inflator is connect with the lower pump barrel；Hollow type gas storage is formed on the storage exhaust tube and the interior guiding between pump barrel
Chamber；Assembly for plunger is slidably connected in pump barrel and the lower pump barrel in the interior guiding, the top of the assembly for plunger is equipped with upper
Move about valve assembly, and the lower part of the assembly for plunger is equipped with lower travelling valve assembly, and the top of the upward-traveling valves assembly is connected with drawing
Bar.
The lower end of pump barrel is protruded into the storage exhaust tube in the interior guiding as a preferred technical solution,
Guiding degassing extension pipe, it is described guiding degassing extension pipe tube wall be equipped with gas crossover passage.
The guiding degassing extension pipe extends to the lower end of the storage exhaust tube as a preferred technical solution,.
The gas crossover passage is set as gas vent as a preferred technical solution, and the gas vent is along the guiding
The outer wall of degassing extension pipe is provided with multiple.
By adopting the above-described technical solution, the utility model has the following beneficial effects:
(1) structure is simple, and manufacture is easy to maintenance, low in cost；The specification that all oil well pumps can be covered, especially suitable for
Small displacement hyposmosis belching well recovers the oil；
(2) the interior guiding degassing extension pipe of the upper pump barrel of guiding and lower pump barrel are in mated condition in, convenient for guaranteeing interior guiding
The concentricity of upper pump barrel and lower pump barrel, fluent in normal oil recovery process, functional reliability is high.
(3) during the work time, the hollow type air storing cavity formed between the outside of pump barrel and storage exhaust tube in interior guiding is well
Gas in liquid opens channel, more thoroughly solves the evacuation and gas lock phenomenon of pump；And more completely gas can be arranged
To oil pick-up tube, it is no longer necessary to casing gas discharging, manually waste, environmental pollution caused by avoiding because of casing gas discharging, and can be sufficiently sharp
Recovery ratio is improved with the characteristics of gas energy Pumping with gushing, and substantially increases the service life of product.
The utility model can effective guarantee used in the big oil well of oil-gas ratio, improve the functional reliability of product, mention
Height pumps interior coefficient of fullness, prevents gas lock and liquid level impact phenomenon is avoided to occur, improve the purpose of product service life,
Structure is simple, and repair and replacement are convenient, and the course of work is safe and reliable.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the partial enlarged view of pump barrel in interior guiding in Fig. 1；
In figure: being oriented to upper pump barrel in 1-；Pump barrel under 2-；The upper box cupling of 3-；Box cupling under 4-；5- fixes valve assembly；6- storage exhaust
Cylinder；7- hollow type air storing cavity；8- assembly for plunger；9- upward-traveling valves assembly；10- lower travelling valve assembly；11- pull rod；12- guiding row
Gas extension tube；13- gas crossover passage.
Specific embodiment
With reference to the accompanying drawing and example, the utility model is further described.In the following detailed description, only pass through explanation
Mode describe certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can recognize
Know, it, can be with a variety of different modes to described reality without departing from the spirit and scope of the utility model
Example is applied to be modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection model for limiting claim
It encloses.
As shown in Figure 1, pump barrel 1 and lower pump barrel 2 on efficient air-trapping oil-well pump, including interior guiding are oriented in hollow type, it is described
The threaded upper ends of pump barrel 1 are connected with box cupling 3 in interior guiding, and the upper end of the upper box cupling 3 is connected to flow string；The lower pump
The lower thread of cylinder 2 is connected with lower box cupling 4；The lower thread of the lower box cupling 4 is connected with fixed valve assembly 5, the fixed valve
The lower end of assembly 5 is connected to oil inlet screen casing under oil well pump；Storage is provided between pump barrel 1 and the lower pump barrel 2 in the interior guiding
Exhaust tube 6, it is described storage exhaust tube 6 upper end is threadedly coupled with pump barrel 1 in the interior guiding, it is described store up exhaust tube 6 lower end and
The lower pump barrel 2 is threadedly coupled；Hollow type air storing cavity 7, institute are formed on the storage exhaust tube 6 and the interior guiding between pump barrel 1
The interior gas that is set as pumping for stating hollow type air storing cavity 7 opens channel, to increase the coefficient of fullness of pump liquid within the cartridge, reduces
Gas liquid ratio in pump, eliminates the interference of gas, is conducive to the raising of pump efficiency, and improve safety and reliability；Institute
It states and slidably connects assembly for plunger 8 in pump barrel 1 and the lower pump barrel 2 in interior guiding, the top of the assembly for plunger 8 is equipped with upstream
The lower part of dynamic valve assembly 9, the assembly for plunger 8 is equipped with lower travelling valve assembly 10, and the top of the upward-traveling valves assembly 9 is connected with
Pull rod 11.
As shown in Fig. 2, the lower end of pump barrel 1 is extended in the interior guiding the guiding protruded into the storage exhaust tube 6
Degassing extension pipe 12；The tube wall of the guiding degassing extension pipe 12 is equipped with gas crossover passage 13；The guiding degassing extension
Pipe 12 extends to the lower end of the storage exhaust tube 6；The storage exhaust tube 6 is by the interior guiding degassing extension pipe 12 and the lower pump
Cylinder 2 is in mated condition, realizes the guiding role of pump barrel 1 and the lower pump barrel 2 in the interior guiding, convenient for guaranteeing in described
The concentricity of pump barrel 1 and the lower pump barrel 2 in guiding prevents in 8 motion process of assembly for plunger as caused by not coaxial
Retardance, functional reliability are high；The gas crossover passage 13 is set as gas vent, and the gas vent is along the guiding degassing extension
The outer wall of pipe 12 is provided with multiple；The guiding degassing extension pipe 12 is integrated processing structure, and the shape of the gas vent can be
Round or long trough, being subject to specifically can effectively carry out gas disengaging exchange, and in the present embodiment, the gas vent is set as long
Flute profile.
The working principle of the utility model is as follows:
When upstroke, during pull rod 11 drives 8 uplink of assembly for plunger, the upward-traveling valves assembly 9 at 8 both ends of assembly for plunger,
Lower travelling valve assembly 10 is in oil extraction state of closing, and fixed valve assembly 5 opens oil inlet, and the gas-liquid in the oil well enters pump chamber
It is interior；When the lower end of assembly for plunger 8 reaches interior guiding above pump barrel 1, the gas being inhaled into passes through on guiding degassing extension pipe 12
Gas vent enters in the hollow type air storing cavity 7 of storage exhaust tube 6, and the gas for pumping interior well liquid rises, until upstroke terminates.
When down stroke, during pull rod 11 drives 8 downlink of assembly for plunger, fixed valve assembly 5 is in close state, and plunger is total
Opened at the upward-traveling valves assembly 9 at 8 both ends, lower travelling valve assembly 10 it is fuel-displaced, when the lower end of assembly for plunger 8 enters storage exhaust tube
When 6, storage exhaust tube 6 is just connected to upper oil pipe, is escaped on the gas being at this moment present in hollow type air storing cavity 7, while hollow type stores up
Air cavity 7 is full of by well liquid, until down stroke terminates, just completes a pumping process in this way.
The utility model can effective guarantee used in the big oil well of oil-gas ratio, improve the functional reliability of product, mention
Height pumps interior coefficient of fullness, prevents gas lock and liquid level impact phenomenon is avoided to occur, improve the purpose of product service life,
Structure is simple, and repair and replacement are convenient, and the course of work is safe and reliable.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (4)
1. being oriented to pump barrel and lower pump barrel on efficient air-trapping oil-well pump, including interior guiding in hollow type, pump barrel in the interior guiding
Threaded upper ends are connected with box cupling, and the upper end of the upper box cupling is connected to flow string；The lower thread of the lower pump barrel connects
There is lower box cupling；The lower thread of the lower box cupling is connected with fixed valve assembly, and the lower end of the fixed valve assembly is connected to oil pumping
Pump lower oil inlet screen casing；It is characterized by: storage exhaust tube, the storage are provided in the interior guiding between pump barrel and the lower pump barrel
The upper end of exhaust tube is connect with pump barrel in the interior guiding, and the lower end of the storage exhaust tube is connect with the lower pump barrel；The storage
Hollow type air storing cavity is formed on exhaust tube and the interior guiding between pump barrel；It is slided in pump barrel and the lower pump barrel in the interior guiding
Dynamic to be connected with assembly for plunger, the top of the assembly for plunger is equipped with upward-traveling valves assembly, and the lower part of the assembly for plunger is equipped with down
Move about valve assembly, and the top of the upward-traveling valves assembly is connected with pull rod.
2. being oriented to efficient air-trapping oil-well pump in hollow type as described in claim 1, it is characterised in that: pump barrel in the interior guiding
Lower end be extended have protrude into it is described storage exhaust tube in guiding degassing extension pipe, it is described guiding degassing extension pipe tube wall on
Equipped with gas crossover passage.
3. being oriented to efficient air-trapping oil-well pump in hollow type as claimed in claim 2, it is characterised in that: the guiding degassing extension
Pipe extends to the lower end of the storage exhaust tube.
4. being oriented to efficient air-trapping oil-well pump in hollow type as claimed in claim 2, it is characterised in that: the gas crossover passage
It is set as gas vent, the gas vent is provided with multiple along the outer wall of the guiding degassing extension pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695703.4U CN208184945U (en) | 2018-05-10 | 2018-05-10 | Efficient air-trapping oil-well pump is oriented in hollow type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695703.4U CN208184945U (en) | 2018-05-10 | 2018-05-10 | Efficient air-trapping oil-well pump is oriented in hollow type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184945U true CN208184945U (en) | 2018-12-04 |
Family
ID=64429601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820695703.4U Active CN208184945U (en) | 2018-05-10 | 2018-05-10 | Efficient air-trapping oil-well pump is oriented in hollow type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969886A (en) * | 2020-07-22 | 2022-01-25 | 陕西卓远能源科技有限公司 | Tubular oil well pump |
-
2018
- 2018-05-10 CN CN201820695703.4U patent/CN208184945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969886A (en) * | 2020-07-22 | 2022-01-25 | 陕西卓远能源科技有限公司 | Tubular oil well pump |
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