CN208669292U - New multistage sand control air trap device - Google Patents
New multistage sand control air trap device Download PDFInfo
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- CN208669292U CN208669292U CN201821242282.6U CN201821242282U CN208669292U CN 208669292 U CN208669292 U CN 208669292U CN 201821242282 U CN201821242282 U CN 201821242282U CN 208669292 U CN208669292 U CN 208669292U
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- sand control
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Abstract
The utility model discloses a kind of new multistage sand control air trap devices, it is constituted including sequentially connected reverse separator, spiral separator combination, exhaust valve, the spiral separator combination includes that at least two spiral separator tandem compound forms, and passes through the second intermediate box cupling connection between adjacent spiral separator；The reverse separator is provided with inside and outside filter sand desanding structure.The natural law that liquid flows when the utility model is extracted out according to liquid in well by oil well pump, designed in conjunction with the principle of liquid flow forces, have the characteristics that high temperature resistant, it is corrosion-resistant, be not easy to plug, gas-tight, sand control, it is safe and reliable, installation it is simple and convenient, can reuse for a long time；The utility model completes the separation of entire gas, liquid, sand by the objective principle of naturally occurring, and it is separated by multistage filtering, reach gas-tight, sand control purpose, is provided simultaneously with high temperature resistant, corrosion-resistant, the features such as not blocking, therefore there is positive promotional value.
Description
Technical field
The utility model relates to a kind of common tool of oil exploitation, in specifically a kind of petroleum sucker rod pump exploitation
New multistage sand control air trap device used.
Background technique
With the development of society, especially scientific and technical progress, is greatly facilitated the rapid development of social productive forces, especially
It is in the plurality of devices technology-intensive type such as device fabrication, resource exploration field, and even more achievement shows protrusion.
With the rapid development of quickly propelling for process of industrialization, especially transportation, for resources such as fuel
Demand increasingly increases severely；And the demand of the petroleum as traditional fuel mainstay is then more urgent, therefore, improves petroleum and surveys
Equipment is visited, the technology content of equipment is improved to promote pump quality and efficiency, is extremely urgent.
Screen casing most common tool in the exploitation of petroleum sucker rod pump as petroleum industry, has non-during petroleum extraction
Normal important role, common screen casing are that the hole that 50-80 diameter is 5mm is beaten on tube wall, flow into well liquid directly by duct
Oil well pump, such screen casing neither gas-tight nor sand control；It is currently used there are also other two kinds of sand control screens i.e.: wire mesh is anti-
Sandpipe and porous ceramics sand-proof pipe, such as Patent No.: 200620012375.0 " multilayer stainless steel wire mesh cloth sand control screen ",
The web material of metal silk screen sand-proof screen is stainless steel, and acid resistance and alkali resistance are all very poor, in process of production very short time
It is inside just easy to liquid in the well by complicated component to corrode, to lose sand controlling result；" the oilfield of 1st phase in 2001
It is mechanical " in " development and application of self-vibrating gas-sand control installation " text disclose a kind of porous ceramics sand control screen, due to this screen casing
Pore radius is small, although have many advantages, such as high temperature resistant, it is corrosion-resistant can be used on the more oil well of crude oil impurity, be easy to hair
Raw blocking, causes pump efficiency low or pumping is not fuel-displaced, and both screen casings do not have anti-airway dysfunction.Existing unidirectional sand control gas-tight dress
It is poor for the effect of sand control and gas-tight although expected effect can be played to a certain extent by setting, one can not be passed through
Level structure can be realized as thorough effect.
Therefore, the sand control gas-tight equipment for improving existing field of petroleum exploitation is a good problem to study.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of by multistage sand control and anti-
The setting of depressed structure reaches the accurate filtering for sand gas contained in petroleum, and equipment repairs replacement side using multistage installation
Just, while increasing equipment using effect and quality, it is anti-that the new multistage sand control effectively controlled is reached for equipment cost
Device of air.
Purpose of the utility model is realized as follows:
New multistage sand control air trap device, including the combination of sequentially connected reverse separator (B), spiral separator, exhaust
Valve (15) is constituted, it is characterised in that: the spiral separator combination includes at least two spiral separator (C) series connection group
It closes, passes through the second intermediate box cupling (D) connection between adjacent spiral separator (C)；Reverse separator (B) setting
There is inside and outside filter sand desanding structure.
With the central tube 2 of fuel feed hole (3) and lower ending opening on the reverse separator (B)), reverse separator (B)
Lower end connect by lower box cupling (1) with sand sediment pipe, is provided with helical duct (8) in spiral separator (C), on exhaust valve (15)
With one-way vent (12), one-way vent (12) is connected to oil sets annular space (A), and the upper end of exhaust valve (15) passes through the
Two intermediate box cuplings (D) connect adjacent spiral separator (C) or are connect by upper box cupling (13) with oil pick-up tube and oil well pump, spiral
There are oil discharge passage (14) between separator (C) and oil pick-up tube.
Reverse separator (B) includes the central tube (2) of reverse separation outer tube (4) and lower ending opening, inversely separates outer tube (4)
It is upper that there are fuel feed hole (3), it inversely separates in outer tube (4) and is equipped with central tube (2)；The outer filter sand knot of the reverse separator (B)
Structure is the copper wire cloth with mesh hole being coated on the reverse separation outer tube (4) of fuel feed hole (3) outside.The bottom end position of central tube (2)
Below fuel feed hole (3).Spiral separator (C) includes spiral separation outer tube (10) and spiral separation column (7)；The spiral point
Flight (9) are equipped with from column (7), spiral separation outer tube (10) and spiral separation column (7), flight form spiral between (9)
The lower end in channel (8), spiral separation outer tube (10) is divided by the first intermediate box cupling (6) with outer tube (4) connection, spiral is inversely separated
It is connect by the connector (5) with fluid passage with central tube (2) from column (7).The exhaust valve (15) includes valve body
(11), it is provided with one-way vent (12) on valve body (11), one-way vent (12) is connected to oil sets annular space (A).
Positive beneficial effect: the natural law that liquid flows when the utility model is extracted out according to liquid in well by oil well pump,
Designed in conjunction with the principle of liquid flow forces, have high temperature resistant, it is corrosion-resistant, be not easy to plug, gas-tight, sand control, using safe
Reliably, simple and convenient, the features such as can reusing for a long time, is installed；The utility model gas-tight, sand controlling result are good, and service life is long,
Reliable performance can significantly extend oil well repair free period and improve crude output, greatly save production cost.The utility model
The separation of entire gas, liquid, sand is completed by the objective principle of naturally occurring, and is separated by multistage filtering, is come
Reach gas-tight, sand control purpose, is provided simultaneously with high temperature resistant, corrosion-resistant, the features such as not blocking, therefore there is positive promotion price
Value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure are as follows: lower box cupling 1, central tube 2, fuel feed hole 3, reverse separation outer tube 4, connector 5, the first intermediate box cupling 6, spiral
It is splitter 7, helical duct 8, flight 9, spiral separation outer tube 10, valve body 11, one-way vent 12, upper box cupling 13, fuel-displaced logical
Road 14, exhaust valve 15, oil sets annular space A, reverse separator B, spiral separator C, the second intermediate box cupling D.
Specific embodiment
New multistage sand control air trap device, mainly by sequentially connected reverse separator, spiral separator, exhaust valve structure
At with the central tube of fuel feed hole and lower ending opening on reverse separator, the lower end of reverse separator passes through lower box cupling and sand setting
Pipe connection, spiral separator have helical duct, have one-way vent, one-way vent and oil sets annular space on exhaust valve
Connection, the upper end of exhaust valve are connect by upper box cupling with oil pick-up tube and oil well pump, have between spiral separator and oil pick-up tube
Oily channel.Change original liquid motion direction works as oil pump plunger piston according to hydromechanical principle to reverse separator emphatically
When uplink, mixing liquid enters reverse separator by fuel feed hole, moves downward first, after the bottom opening for reaching central tube
Direction is rapidly changed, is moved upwards by central tube, it is produced since the gas in oil pick-up tube, liquid, the quality of sand are different
Centrifugal force it is also different, under the action of different gravity and centrifugal force, complete sand grains, liquid, gas first time separation；
By first time, the liquid of separation is continued up into after spiral separator, is led in spiral rapidly by original linear motion
It is changed into screw in road, generates different centrifugal force again and sand grains, liquid, gas generate helical duct inside and outside wall
Different frictional force, to change sand grains, liquid, the movement velocity of gas and direction, this completes sand grains, liquid
Second of separation of body, gas；Mixing liquid passes through overhead-liquid quilt of the high speed rotation in spiral separator of spiral separator
Outmost turns are rotated to, oil pick-up tube and oil well pump are entered by oil discharge passage.Gas after separation is then by the middle part of spiral separator
Air collecting chamber is formd after reaching the bottom of exhaust valve, after gas buildup is to certain pressure, exhaust valve automatically opens unidirectional row
Stomata is exhausted.The middle and lower part for not concentrated on spiral separator then by the net a small amount of sand grains of reverse separator separation, works as pumping
When fuel feed pump plunger downlink, liquid is moved downwardly to static sand grains rapidly in sand sediment pipe.Petroleum liquid is mixed to pass through inversely
The first time separation that separator is completed is completed second after separating using spiral separator screw, is flowed into oil well pump
It is sufficiently extracted into surface line, the sand of heavier mass then moves downwardly into sand sediment pipe under the action of gravity and centrifugal force
It is interior, it will not enter in oil well pump and sand card occurs and oil well pump is caused to wear, gas then passes through the one-way vent on exhaust valve
It is discharged into oil sets annular space, since exhaust valve is unidirectional hair, therefore into oil well pump is interior gas lock, Jin Erying will not occur for gas
The degree of filling for ringing oil well pump, causes pump efficiency poor, reduces oily well yield.Reverse separator is mainly by inversely separating outer tube and lower end
The central tube of opening is constituted, and reverse separate has fuel feed hole on outer tube, and reverse separate is equipped with central tube in outer tube, mixing liquid is logical
It crosses fuel feed hole and enters between reverse separation outer tube and central tube and first move downward, reach the pumping behind the bottom of central tube in oil well pump
It is rapidly moved upwards into central tube under the action of suction；The quantity of fuel feed hole is 60-100；It is good in order to reach
The bottom end of separating effect, central tube will be no less than 80cm lower than the lowermost fuel feed hole bottom；Spiral separator is mainly by spiral
Outer tube, spiral separation column composition are separated, there is flight, spiral separation outer tube and spiral separation column, spiral on spiral separation column
Helical duct is formed between piece, makes the mixing liquid screw into spiral separator, the lower end of spiral separation outer tube passes through
First intermediate box cupling is connect by the connector with fluid passage with central tube with outer tube connection, spiral separation column is inversely separated；
Exhaust valve includes valve body, also has one-way vent on valve body, and when reaching certain pressure, one-way vent opens discharge
In mixed gas to oil sets annular space.As shown in Figure 1, the gas-tight, sand control screen, by sequentially connected oil sets annular space
B, spiral separator C, exhaust valve 15 are constituted, with the central tube 2 of fuel feed hole 3 and lower ending opening, oil jacket on oil sets annular space B
The lower end of annular space B is connect by lower box cupling 1 with sand sediment pipe, and spiral separator C has helical duct 8, is had on exhaust valve 15
There is one-way vent 12, one-way vent 12 is connected to oil sets annular space A, and the upper end of exhaust valve 15 passes through upper box cupling 13 and pumping
Oil pipe and oil well pump connection, have oil discharge passage 14 between spiral separator C and oil pick-up tube.Oil sets annular space B is mainly by inverse
It is constituted to separation outer tube 31 and central tube 2, reverse separate has 80 fuel feed holes 3 on outer tube 31, reverse separate sets in outer tube 31
There is central tube 2, mixing liquid is entered between reverse separation outer tube 31 and central tube 2 by fuel feed hole 3, reaches the bottom of central tube 2
Rapidly moved upwards under the action of the suction force of oil well pump into central tube 2 behind portion, the lowermost end of central tube 2 it is low go out into
3 bottom 100cm of oilhole；Spiral separator C is mainly made of spiral separation outer tube 10, spiral separation column 7, on spiral separation column 7
With flight 9, the lower end of spiral separation outer tube 10 is divided by the first intermediate box cupling 6 with the connection of outer tube 31, spiral is inversely separated
It is connect by the connector 5 with fluid passage with central tube 2 from column 7, spiral separation outer tube 10 and flight 9, spiral separation column
Helical duct 8 is formed between 23, can make the mixing liquid screw into spiral separator C；The valve body 11 of exhaust valve 15
On also have one-way vent 12, one-way vent 12 is through to oil sets annular space A, when reaching certain pressure, unidirectionally
Gas vent 12 opens discharge gas.The separation process that this programme carries out multiple sand control and multiple gas-liquid in oil pumping process is: the
Sand control: realization is filtered by the copper wire cloth being arranged in outside fuel feed hole；
Second of sand control: when oil pump plunger piston uplink, mixing liquid enters reverse separation 4 He of outer tube by fuel feed hole 3
It is first moved downward between central tube 33, when reaching 33 bottom opening of central tube, the work of the suction force in oil pump plunger piston uplink
It is moved upwards with lower unexpected 180 ° of steering, this divertical motion causes the sand in liquid in the dual work of gravity and centrifugal force
It is lowered into sand sediment pipe with lower throwing, to avoid or greatly reduce the sand amount into spiral separator C；
Third time sand control: it after mixing liquid enters spiral separator C, is suddenly become in helical duct 8 by linear motion
Rotary motion, generate again different centrifugal force make sand grains, liquid, gas to 10 inner wall of spiral separation outer tube and flight 9,
Spiral separation column 7 produces different frictional force, when oil pump plunger piston downlink due to liquid be it is static, sand grains settles rapidly
To sand sediment pipe.
First time gas-liquid separation: when oil-pumping plunger uplink, gas-liquid enter simultaneously reverse separation outer tube 4 and central tube 33 it
Between, liquid can quickly sink under gravity, and gas then initially enters central tube 33 and reaches exhaust by spiral separator C
It is discharged into after valve 15 in oil sets annular space A；
Second of gas-liquid separation: it is advanced into spiral separator C on central tube 33 when mixing liquid passes through, gas and liquid
Rise together around 8 high speed rotation of helical duct, liquid is thrown to outer ring under the influence of centrifugal force, and gas is then from centre
Rise, be discharged by the one-way vent 12 of exhaust valve 15, liquid then passes through oil discharge passage 14 into oil pick-up tube.
According to exploitation oil quality, the spiral separator of multistage series winding is set, may be implemented gas-liquid intracorporal for liquid into
Row multistage separating for several times.
The natural law that liquid flows when the utility model is extracted out according to liquid in well by oil well pump, in conjunction with liquid flow forces
Principle designs, have high temperature resistant, it is corrosion-resistant, be not easy to plug, gas-tight, sand control, safe and reliable, the simple side of installation
Just, the features such as can reusing for a long time；The utility model gas-tight, sand controlling result are good, and service life is long, reliable performance, Ke Yi great
The extension oil well repair free period of amplitude simultaneously improves crude output, greatlys save production cost.The utility model is by naturally occurring
Objective principle completes the separation of entire gas, liquid, sand, and is separated by multistage filtering, to have reached gas-tight, sand control
Purpose is provided simultaneously with high temperature resistant, corrosion-resistant, the features such as not blocking, therefore has positive promotional value.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. new multistage sand control air trap device, including the combination of sequentially connected reverse separator (B), spiral separator, exhaust valve
(15) it constitutes, it is characterised in that: the spiral separator combination includes at least two spiral separator (C) tandem compound
It forms, passes through the second intermediate box cupling (D) connection between adjacent spiral separator (C)；The reverse separator (B) is provided with
Inside and outside filter sand desanding structure；With the central tube 2 of fuel feed hole (3) and lower ending opening on the reverse separator (B)), inversely
The lower end of separator (B) is connect by lower box cupling (1) with sand sediment pipe, is provided with helical duct (8) in spiral separator (C), is arranged
There are one-way vent (12) on air valve (15), one-way vent (12) is connected to oil sets annular space (A), exhaust valve (15)
Upper end connects adjacent spiral separator (C) by the second intermediate box cupling (D) or passes through upper box cupling (13) and oil pick-up tube and oil pumping
Pump connection, has oil discharge passage (14) between spiral separator (C) and oil pick-up tube；Reverse separator (B) includes that reverse separation is outer
The central tube (2) of (4) and lower ending opening is managed, inversely separating on outer tube (4) has fuel feed hole (3), inversely separates and sets in outer tube (4)
There are central tube (2)；The outer filter sand structure of the reverse separator (B) is to be coated on the reverse separation outer tube of fuel feed hole (3) outside
(4) copper wire cloth with mesh hole on.
2. new multistage sand control air trap device according to claim 1, it is characterised in that: the quantity of fuel feed hole (3) is 60
~100.
3. new multistage sand control air trap device according to claim 1, it is characterised in that: the bottom end of central tube (2) is located at
Below fuel feed hole (3).
4. new multistage sand control air trap device according to claim 1, it is characterised in that: spiral separator (C) includes spiral shell
Rotation separation outer tube (10) and spiral separation column (7)；The spiral separation column (7) is equipped with flight (9), spiral separation outer tube
(10) helical duct (8) are formed between spiral separation column (7), flight (9), the lower end of spiral separation outer tube (10) passes through the
One intermediate box cupling (6) separates outer tube (4) connection with reverse, and spiral separation column (7) is by the connector (5) with fluid passage in
Heart pipe (2) connection.
5. new multistage sand control air trap device according to claim 1, it is characterised in that: the exhaust valve (15) includes
Have valve body (11), be provided on valve body (11) one-way vent (12), one-way vent (12) and oil sets annular space (A) are even
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242282.6U CN208669292U (en) | 2018-08-03 | 2018-08-03 | New multistage sand control air trap device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242282.6U CN208669292U (en) | 2018-08-03 | 2018-08-03 | New multistage sand control air trap device |
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| Publication Number | Publication Date |
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| CN208669292U true CN208669292U (en) | 2019-03-29 |
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ID=65833136
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| CN201821242282.6U Active CN208669292U (en) | 2018-08-03 | 2018-08-03 | New multistage sand control air trap device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485970A (en) * | 2019-09-18 | 2019-11-22 | 东北石油大学 | A kind of exhaust sand control installation for oil well pump |
| CN110939426A (en) * | 2019-11-19 | 2020-03-31 | 东北石油大学 | Centrifugal separation mechanism and co-well injection and production device using same |
| RU211091U1 (en) * | 2021-11-12 | 2022-05-19 | Акционерное общество "Новомет-Пермь" | SUBMERSIBLE GAS SEPARATOR |
| CN114961690A (en) * | 2022-04-21 | 2022-08-30 | 宜宾学院 | Double-layer tube type series spiral hydrate in-situ separation and desanding device |
-
2018
- 2018-08-03 CN CN201821242282.6U patent/CN208669292U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485970A (en) * | 2019-09-18 | 2019-11-22 | 东北石油大学 | A kind of exhaust sand control installation for oil well pump |
| CN110485970B (en) * | 2019-09-18 | 2021-10-29 | 东北石油大学 | Exhaust sand prevention device for oil well pump |
| CN110939426A (en) * | 2019-11-19 | 2020-03-31 | 东北石油大学 | Centrifugal separation mechanism and co-well injection and production device using same |
| CN110939426B (en) * | 2019-11-19 | 2021-09-28 | 东北石油大学 | Centrifugal separation mechanism and co-well injection and production device using same |
| RU211091U1 (en) * | 2021-11-12 | 2022-05-19 | Акционерное общество "Новомет-Пермь" | SUBMERSIBLE GAS SEPARATOR |
| CN114961690A (en) * | 2022-04-21 | 2022-08-30 | 宜宾学院 | Double-layer tube type series spiral hydrate in-situ separation and desanding device |
| CN114961690B (en) * | 2022-04-21 | 2023-08-15 | 宜宾学院 | Double-layer tube type series spiral hydrate in-situ separation sand removal device |
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