CN206158690U - Shale gas well station desander - Google Patents
Shale gas well station desander Download PDFInfo
- Publication number
- CN206158690U CN206158690U CN201621251025.XU CN201621251025U CN206158690U CN 206158690 U CN206158690 U CN 206158690U CN 201621251025 U CN201621251025 U CN 201621251025U CN 206158690 U CN206158690 U CN 206158690U
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- China
- Prior art keywords
- shale gas
- gas well
- desander
- well station
- reflector
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Abstract
The utility model discloses a shale gas well station desander, which comprises a housin, be provided with the whirl board in the casing, whirl board entry communicates the medium inflow entrance, and whirl board export intercommunication has filter equipment, the filter equipment below is provided with the reflector, and the filter equipment top is provided with the gas -liquid export. Adopt the utility model discloses collect hydrocyclone separation and filtering separation in an organic whole, form two -stage combination formula desander, can effectively remove the sand separation, separate respond wellly, solved the water jacket furnace and resulted in the coil pipe elbow to be pierced through owing to the sand grain washes away, throttle control valve valve element abrasion's problem.
Description
Technical field
The utility model is related to oil-gas mining field, and in particular to a kind of shale gas well station desander.
Background technology
Shale gas exploitation be different from conventional oil gas-field exploitation, be due to shale gas gas-bearing reservoir be tight stratum, the way of exploitation
It is to form gas channel by sand fracturing man-made fracture, is drained to pit shaft from stratum mined subsequently into ground installation.Its
Middle sand fracturing enters stratum and the sand grains being embedded in crack, plays a part of supporting crack and keeps fracture opening, but part
Sand grains be it is loose be present in stratum, terminate when exploitation with pressing crack construction, this part sand grains can successively with return discharge opeing and
Gas stream is rejected to ground.This sand grains is different from common rock sand grains, and it is artificial porcelain granule, very rigid, in gas stream
In the strong souring of sand grains surface duct and equipment will be caused to be damaged within a short period of time.Therefore in shale gas exploitation
In, oil gas out should carry out first desanding from well head.
At present the desanding device in shale gas exploitation is broadly divided into hydrocyclone and filters two kinds of desander.Spiral-flow type is removed
Sand device mostly is vertical structure, is to be removed the sand grains of different densities and Oil-gas Separation using centrifugal principle, and the method can greatly
Part sand grains is removed, but due to the complexity of FIH fluidised form, is easily defined slug, section and is emerged in large numbers gushing as, this fluid
Dynamic property will cause eddy flow in desander discontinuous and separating effect variation, and the part sand grains that causes of meeting discontinuity is mixed in gas stream
Enter into the follow-up system that installs pipes；Filter desander and mostly be horizontal type structure, be mainly made up of filter core, housing, quick operating valve, filter
Core is divided into two kinds of mesh type and slot type, with mesh mesh number and gap width control desanding precision, due to haydite it is thinner（Particle diameter
0.12mm—0.42mm）, it is desirable to filter core slit very little, sand grains easily adheres to blocking, to guarantee circulation area, often does slit
It is larger, in 0.3mm, sand grains of the granularity less than 0.3mm is appointed so can enter into subsequent pipeline system to general control with fluid.With
Situation will all cause desanding unsuccessful in upper two, have a lot of water jacket furnaces to cause coil pipe elbow quilt because sand grains washes away aborning
Pierce through, the abrasion of throttling control valve valve element brings greater loss to production and operation.
Utility model content
The utility model aims to provide a kind of shale gas well station desander, is that one kind collects cyclonic separation and is separated by filtration in one
The two-stage combined type desander of body.Annular space of the cyclonic separation beyond cartridge filter carries out one-level separation, most sand grains
By centrifugal to outer wall, gas-liquid flows out through filtering layer from oil gas vent in central medium, and sand grains is blocked in filter cylinder outer surface, Jing
Eddy flow washing returns to annular space, and bottom is deposited in the presence of backspin and gravity, and Jing sand mouth excludes desander, with solution
State problem.
For achieving the above object, the technical solution of the utility model is as follows：
A kind of shale gas well station desander, including housing, it is characterised in that：Spiral board, eddy flow are provided with the housing
Plate entrance is communicated to inlet of the medium, and spiral board outlet has filter；The filter lower section is provided with reflector,
Filter top is provided with gas liquid outlet.
Further, annular housing is provided with the housing, and filter is arranged at annular housing with reflector
It is interior.
Further, the housing bottom is provided with taper sand hopper, and is provided with the mouth that shakes out below taper sand hopper.
Further, the spiral board is specially spiral stream guidance band.
Further, the filter is lauter tub, and lauter tub bottom is provided with level pressure bleeder valve.
Further, the lauter tub is communicated to gas liquid outlet by flowing out adapter.
Further, the reflector includes cylinder section, the pyramid type reflector being arranged on cylinder section.
Further, the reflector top is provided with passage.
Further, the cylinder section periphery is provided with multiple broken whirlpool plates.
The beneficial effects of the utility model are：The utility model takes two-stage desanding, and the first order is that eddy flow removes big portion
Sub-sand grain, mitigates the load that desanding is filtered in the second level significantly, and the pressure reduction formed so inside and outside filtering layer is less, can be by filter cylinder hole
Seam is made thinner so that desanding precision is higher, can accomplish to remove the haydite of sand fracturing 100%.
Secondly, the utility model using the eddy flow formed outside filter cylinder agitation, in time to being attached to the sand grains on filter cylinder surface
Washing so as to annular space is returned to from newly, relieves and filter cylinder is blocked, and makes filter cylinder remain clean conditions, without the need for people
Work cleaning replacement filter core, while releasing heavy artificial work, makes well station accomplish long period steady production free of discontinuities.
And it is possible to pass through to select the appropriate outspoken footpath of sand（Sand mouth adopts hard wear-resistant material, detachable structure）,
Realize that sediment outflow automates serialization, whole process is without the need for manually operating.
Description of the drawings
Fig. 1 is the shale gas well station desander external structure schematic diagram that the utility model is provided.
Fig. 2 be in Fig. 1 A-A to sectional view.
Fig. 3 is B-B direction sectional view in Fig. 1.
Mark in figure：1 is housing, 2 is spiral board, 3 is lauter tub, 4 is level pressure bleeder valve, 5 is reflector, 6 is passage,
7 for broken whirlpool plate, 8 be taper sand hopper, 9 be the mouth that shakes out, 10 be inlet of the medium, 11 to flow out adapter, 12 being gas liquid outlet.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described further with specific embodiment.
As shown in Figure 1-Figure 3, it is provided with spiral board in a kind of shale gas well station desander, including housing 1, the housing 1
2, the entrance of spiral board 2 is communicated to inlet of the medium 10, and the outlet of spiral board 2 has filter；The filter lower section sets
Reflector 5 is equipped with, filter top is provided with gas liquid outlet 12.The spiral board 2 is specially spiral stream guidance band.
Annular housing is provided with the housing 1, and filter is arranged in annular housing with reflector 5.It is described
The bottom of housing 1 is provided with taper sand hopper 8, and the mouth 9 that shakes out is provided with below taper sand hopper 8.
The filter is lauter tub 3, and the bottom of lauter tub 3 is provided with level pressure bleeder valve 4.The lauter tub 3 is by flowing out adapter
11 are communicated to gas liquid outlet 12.
The reflector 5 includes cylinder section, the pyramid type reflector being arranged on cylinder section.The reflector top is provided with
Passage 6.The cylinder section periphery is provided with multiple broken whirlpool plates 7.
When in use, the gas-liquid medium for being contaminated with a large amount of grains of sand is passed into spiral board 2 from inlet of the medium 10, that is, be passed into
In spiral stream guidance band, under pressure, when gas-liquid sand three-phase reaches 2 lower end of spiral board, now sand is past under gravity use
Under fall, but also certain rotary speed v, when sand reaches 5 region of reflector, sand pushes up end-to-edge through reflector 5
Slide, when whirlpool plate 7 is broken through reflector 5, broken whirlpool plate 7 plays brokenly whirlpool effect to sand, and now sand is in gravity independent role
Under fall conical hopper bottom.Now gravity settling velocity is more than the sand rate of climb, it is ensured that sand sinks always.Sand
Reach cone bottom shake out mouth 9 when, keep valve wide open, the mouth 9 that shakes out plays a protective role to valve, can change little according to operating mode
Hole size.So desander is with regard to energy continuous desanding, sand discharge, it is not necessary to clean.
When gas-liquid sand three-phase reaches filter cylinder position by spiral board 2, sand can be attached on filter screen, due to now gas-liquid sand
When under certain pressure is acted on through spiral board 2, sand constantly adheres to three-phase, but gas-liquid sand three-phase also constantly washes away filter cylinder
Filter screen, it is ensured that too many gravel and adhesion will not be adhered on filter screen.
And the utility model is provided with level pressure bleeder valve 4 simultaneously, when there is damage, such as:Well kick mistake
Greatly, pressure raising speed is excessively violent, and the inside and outside differential pressure of filter cylinder 3 can be caused to increase, and may exceed its intensity ability to bear, limits when pressure reduction is reached
During value processed, now, level pressure bleeder valve 4 is automatically opened up, and is limited pressure reduction and is continued to rise, and protection filter cylinder 3 is unlikely because of the excessive damage of pressure reduction.
Using two-stage desanding of the present utility model, the first order is that eddy flow removes most of sand grains, and second level mistake is mitigated significantly
Filter the load of sand so that desanding precision is higher.Can effectively carry out except sand separation, good separation solves water jacket furnace
Coil pipe elbow is caused to be pierced because sand grains washes away, the problem of throttling control valve valve element abrasion.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. a kind of shale gas well station desander, including housing, it is characterised in that：Spiral board, spiral board are provided with the housing
Entrance is communicated to inlet of the medium, and spiral board outlet has filter；The filter lower section is provided with reflector, mistake
Filter device top is provided with gas liquid outlet.
2. shale gas well station desander according to claim 1, it is characterised in that：Annular chamber is provided with the housing
Body, and filter and reflector be arranged in annular housing.
3. shale gas well station desander according to claim 1, it is characterised in that：The housing bottom is provided with conical sand
Bucket, and it is provided with the mouth that shakes out below taper sand hopper.
4. shale gas well station desander according to claim 1, it is characterised in that：The spiral board is specially spiral stream guidance
Band.
5. shale gas well station desander according to claim 1, it is characterised in that：The filter be lauter tub, lauter tub
Bottom is provided with level pressure bleeder valve.
6. shale gas well station desander according to claim 5, it is characterised in that：The lauter tub is by flowing out adapter connection
To gas liquid outlet.
7. shale gas well station desander according to claim 1, it is characterised in that：The reflector includes cylinder section, sets
Put the pyramid type reflector on cylinder section.
8. shale gas well station desander according to claim 7, it is characterised in that：The reflector top is provided with ventilation
Hole.
9. shale gas well station desander according to claim 7, it is characterised in that：The cylinder section periphery is provided with many
Individual broken whirlpool plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251025.XU CN206158690U (en) | 2016-11-22 | 2016-11-22 | Shale gas well station desander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251025.XU CN206158690U (en) | 2016-11-22 | 2016-11-22 | Shale gas well station desander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158690U true CN206158690U (en) | 2017-05-10 |
Family
ID=58660562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621251025.XU Active CN206158690U (en) | 2016-11-22 | 2016-11-22 | Shale gas well station desander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158690U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138936A (en) * | 2017-06-15 | 2019-01-04 | 中国石油天然气股份有限公司 | Perforating job auxiliary device |
| CN109236245A (en) * | 2018-10-31 | 2019-01-18 | 长江大学 | Shale gas well sand water dispatch plunger device |
| CN109432877A (en) * | 2018-11-27 | 2019-03-08 | 中国石油工程建设有限公司 | Three-in-one vertical grit catcher and sand removing process |
| CN109488278A (en) * | 2018-12-20 | 2019-03-19 | 中国石油集团川庆钻探工程有限公司 | The classification sand removing process that shale gas well uses |
| CN112554862A (en) * | 2020-12-03 | 2021-03-26 | 四川科宏石油天然气工程有限公司 | Cyclone separator for shale gas exploitation |
| WO2022095943A1 (en) * | 2020-11-05 | 2022-05-12 | 广东美的白色家电技术创新中心有限公司 | Cyclone separator |
| CN114856496A (en) * | 2022-06-30 | 2022-08-05 | 四川华宇石油钻采装备有限公司 | Cyclone filtering integrated sand remover |
-
2016
- 2016-11-22 CN CN201621251025.XU patent/CN206158690U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138936A (en) * | 2017-06-15 | 2019-01-04 | 中国石油天然气股份有限公司 | Perforating job auxiliary device |
| CN109236245A (en) * | 2018-10-31 | 2019-01-18 | 长江大学 | Shale gas well sand water dispatch plunger device |
| CN109236245B (en) * | 2018-10-31 | 2021-04-13 | 长江大学 | Shale gas well sand water discharging plunger |
| CN109432877A (en) * | 2018-11-27 | 2019-03-08 | 中国石油工程建设有限公司 | Three-in-one vertical grit catcher and sand removing process |
| CN109488278A (en) * | 2018-12-20 | 2019-03-19 | 中国石油集团川庆钻探工程有限公司 | The classification sand removing process that shale gas well uses |
| WO2022095943A1 (en) * | 2020-11-05 | 2022-05-12 | 广东美的白色家电技术创新中心有限公司 | Cyclone separator |
| CN112554862A (en) * | 2020-12-03 | 2021-03-26 | 四川科宏石油天然气工程有限公司 | Cyclone separator for shale gas exploitation |
| CN114856496A (en) * | 2022-06-30 | 2022-08-05 | 四川华宇石油钻采装备有限公司 | Cyclone filtering integrated sand remover |
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