CN208220758U - A kind of oil well anti-drain desanding device - Google Patents
A kind of oil well anti-drain desanding device Download PDFInfo
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- CN208220758U CN208220758U CN201820428363.9U CN201820428363U CN208220758U CN 208220758 U CN208220758 U CN 208220758U CN 201820428363 U CN201820428363 U CN 201820428363U CN 208220758 U CN208220758 U CN 208220758U
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- drain
- desanding device
- oil well
- desanding
- well anti
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Abstract
The utility model relates to a kind of oil well anti-drain desanding devices, belong to oilfield machinery technical field.The utility model has developed a kind of sedimentation of collection, filtering, the novel of sand recycling function return drain desanding device, the fracturing outlet liquid, crude oil, sand at scene can all be recycled, recovered liquid is set to reuse, desanding process labor intensity mitigates, production efficiency is improved to greatest extent, realizes energy conservation and environmental protection；The utility model liner uses polyurethane wear resistant mill lining plate of composite, elasticity with rubber-like material, has the characteristics that rigid liner plate again, in addition itself wear resistance is high, corrosion resistance is good, therefore this composite material liner plate has unique abrasive nature, form the static mode combined with dynamic hydrocyclone, using abrasion resistant polyurethane as inner lining material, and use automatic control system, with wide adaptation range, the advantages such as washed-out sand is high-efficient, wearability is strong, it is of great significance to viscous crude desanding with oil recovery.
Description
Technical field
The present invention relates to a kind of oil well anti-drain desanding devices, belong to oilfield machinery technical field.
Background technique
Fracturing technology is a main technique measure of well production increment, is generallyd use for each oil field.With horizontal well point
The popularization of the technologies such as section fracturing reform, volume fracturing, pressing crack construction scale constantly expand.It is generated about after each well pressure break
1000m3Return drain, these are returned in drain containing a large amount of biogum, sand, petroleum and other chemical addition agents, are had
The characteristics of pollutant concentration is big, pollution sources disperse.It, can be to ambient enviroment and surface drainage if returning drain to deal with improperly and outlet
It causes seriously to pollute, be especially continuously increased in the Northwest of water shortage with water pressure.And the implementation of new environmental law, to oil gas field
The dynamics of environmental protection is substantially improved in development process, largely returns the crucial institute how drain is treated as oil gas field Green Development
?.Therefore, fracturing outlet liquid processing technique is increasingly by everybody concern.
Currently, the processing method of fracturing flow-back fluid of oil well is to be returned to be discharged into mud settling tank, steam it naturally in mud settling tank
Hair, toxic and harmful gas combustion in situ, and recycled sand by manpower, this method large labor intensity, occupation area of equipment
Greatly, it especially will cause environmental pollution, do not meet the theory of oilfield safety, environmental protection development, and biogum cannot be recycled
It recycles, causes to waste.
Although cyclone separator has in separation of solid and liquid field, structure is simple, treating capacity is big, separating rate is fast, behaviour
Make the advantages that facilitating, but cyclone returns drain except there are several big defects: hydrocyclone structure for sand separation for oil well
Size once it is determined that, processing capacity also accordingly determines, and fracturing flow-back fluid of oil well discharge capacity is non-constant, cause cyclone work not
Normally；Cyclone realizes mainly by centrifugal force and is separated by solid-liquid separation that sand grains can generate cyclone inner wall and be seriously worn, service life
It is short；Especially fracturing flow-back fluid of oil well sand is higher than content, and cyclone underflow opening causes Severe blockage, influences site operation.Therefore,
Fracturing flow-back fluid of oil well desanding assigned tasks are difficult to realize using cyclone separation process.It is asked for existing for existing desanding device
Topic, develops a kind of collection sedimentation, drain desanding device is returned in filtering, the new of sand recycling function, and the pressure break in the hope of reaching at the scene is returned
Drain, crude oil, sand, pernicious gas all recycle, and recovered liquid is enable to reuse, and desanding process labor intensity mitigates, most
Limits improve production efficiency, realize that energy conservation and environmental protection seems most important.
Summary of the invention
Present invention mainly solves the technical issues of: for domestic current mud settling tank recycling, large labor intensity, equipment takes up an area face
Product is big, especially will cause environmental pollution, sand grains can lead to the problem of cyclone inner wall and be seriously worn, and the present invention provides one kind
Oil well anti-drain desanding device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention:
A kind of oil well anti-drain desanding device, including feed pipe, feed cavity, Kong Guan, filter core, sealing cover, impeller, rotation
Axis, overflow port, prevention blocking device, overflow pipe, underflow opening, shell, it is characterised in that: filtering desanding device is equipped in feed cavity, by hole
Pipe, filter core, sealing cover composition, feed cavity bottom end are impeller and the cyclone that rotation axis forms, and rotation axis lower end is overflow port, even
It is connected to overflow pipe.
With Kong Guanwei inner frame in the filtering desanding device, filter core is the 40 mesh stainless steel mesh wrapped up in outside.
The sand grains bigger than filtration media pore diameters can first be blocked and be deposited on strainer by the filtering desanding device
Upper formation filter cake, filter cake can intercept suspension solid phase particles more tiny in liquid phase.
The sealing cover is openable, facilitates the sand grains discharge in filtering desanding device.
The cyclone is by external motor input kinetic energy impeller rotation, so that liquid be driven to become rotating from static
Movement makes liquid obtain certain static pressure, and then carries out two-phase laminated flow.
The impeller is the blade wheel structure of centrifugal blade, and portion not only acts as pressurization in the device, moreover it is possible to drive
Liquid is rotated, and forms rotational flow, and can form negative pressure in its inlet, has the function of self-priming.
Shell (12) liner is polyurethane wear resistant mill lining plate of composite.
The beneficial effects of the present invention are:
(1) present invention has developed a kind of sedimentation of collection, filtering, the novel of sand recycling function return drain desanding device, can general
Fracturing outlet liquid, crude oil, the sand at scene all recycle, and recovered liquid is enable to reuse, and desanding process labor intensity mitigates,
Production efficiency is improved to greatest extent, is realized " energy conservation and environmental protection "；
(2) liner of the present invention uses polyurethane wear resistant mill lining plate of composite, the elasticity with rubber-like material, and has
Have the characteristics of rigid liner plate, in addition itself wear resistance is high, corrosion resistance is good, therefore this composite material liner plate have it is unique
Abrasive nature forms the static mode combined with dynamic hydrocyclone, using abrasion resistant polyurethane as inner lining material, and adopts
With automatic control system, there is wide adaptation range, the advantages such as washed-out sand is high-efficient, wearability is strong, to viscous crude desanding and oil recovery
It is of great significance.
Detailed description of the invention
Fig. 1 is a kind of organigram of oil well anti-drain desanding device of the present invention.
Wherein, 1, feed pipe；2, feed cavity；3, rotary shaft；4, filter core；5, sealing cover；6, impeller；7, rotation axis；8, it overflows
Head piece；9, prevention blocking device；10, overflow pipe；11, underflow opening；12, shell.
Specific embodiment
Firstly, in the feed liquid injection filtering desanding device with sand, the filtration through via barrel 3, filter core 4, big sand grains
It is first blocked and is deposited on strainer and form filter cake, under filter cake again intercepts suspension solid phase particles more tiny in liquid phase
Coming, filtering removes big sand grains, enters back into feed cavity 2, and kinetic energy impeller 6 is inputted by external motor by cyclone and is rotated,
To drive liquid to become rotary motion from static, liquid in rotation is set to generate powerful centrifugal force, the liquid of rotation is along eddy flow
The shell of device moves downward, and liquid is made to obtain certain static pressure, flows to form three-dimensional spiral flowing, outside in internal liquid
It is the contour stealth downward along wall, inside is upward inward eddy of the bosom to overflow port, and the heavy in liquid hands down
Outside eddy flow moves downward, and is discharged by underflow opening, and the lightweight inward eddy that hands down moves upwards, and is discharged through overflow port, to realize
The separation of two-phase in liquid.
Claims (7)
1. a kind of oil well anti-drain desanding device, including feed pipe (1), feed cavity (2), hole pipe (3), filter core (4), sealing cover
(5), impeller (6), rotation axis (7), overflow port (8), prevention blocking device (9), overflow pipe (10), underflow opening (11), shell (12), it is special
Sign is: being equipped with filtering desanding device in feed cavity (2), is made of hole pipe (3), filter core (4), sealing cover (5), feed cavity (2)
The cyclone that bottom end is impeller (6) and rotation axis (7) forms, rotation axis (7) lower end are overflow port (8), are connected to overflow pipe
(10).
2. a kind of oil well anti-drain desanding device according to claim 1, it is characterised in that: the filtering desanding device
In with hole pipe (3) be inner frame, filter core (4) is the 40 mesh stainless steel mesh wrapped up in outside.
3. a kind of oil well anti-drain desanding device according to claim 1, it is characterised in that: the filtering desanding device
Can the sand grains bigger than filtration media pore diameters be first blocked and be deposited on strainer and form filter cake, filter cake can will be in liquid phase
More tiny suspension solid phase particles intercept.
4. a kind of oil well anti-drain desanding device according to claim 1, it is characterised in that: the sealing cover (5) can
It opens, facilitates the sand grains discharge in filtering desanding device.
5. a kind of oil well anti-drain desanding device according to claim 1, it is characterised in that: the cyclone is by outside
Motor inputs kinetic energy impeller (6) rotation, so that liquid be driven to become rotary motion from static, obtains liquid certain
Static pressure, and then carry out two-phase laminated flow.
6. a kind of oil well anti-drain desanding device according to claim 1, it is characterised in that: the impeller (6) be from
The blade wheel structure of heart pump blade, portion not only acts as pressurization in the device, moreover it is possible to drive liquid to be rotated, form rotation
Flowing, and negative pressure can be formed in its inlet, have the function of self-priming.
7. a kind of oil well anti-drain desanding device according to claim 1, it is characterised in that: described shell (12) liner
For polyurethane wear resistant mill lining plate of composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428363.9U CN208220758U (en) | 2018-03-28 | 2018-03-28 | A kind of oil well anti-drain desanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428363.9U CN208220758U (en) | 2018-03-28 | 2018-03-28 | A kind of oil well anti-drain desanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208220758U true CN208220758U (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820428363.9U Expired - Fee Related CN208220758U (en) | 2018-03-28 | 2018-03-28 | A kind of oil well anti-drain desanding device |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924931A (en) * | 2019-05-13 | 2020-11-13 | 中国石油化工股份有限公司 | Model selection method of desanding cyclone for polymer injection back discharge treatment |
-
2018
- 2018-03-28 CN CN201820428363.9U patent/CN208220758U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111924931A (en) * | 2019-05-13 | 2020-11-13 | 中国石油化工股份有限公司 | Model selection method of desanding cyclone for polymer injection back discharge treatment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |