CN109594960A - The visual experimental apparatus and its visualization sandpack column of analog composite foam profile control - Google Patents
The visual experimental apparatus and its visualization sandpack column of analog composite foam profile control Download PDFInfo
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- CN109594960A CN109594960A CN201910013051.0A CN201910013051A CN109594960A CN 109594960 A CN109594960 A CN 109594960A CN 201910013051 A CN201910013051 A CN 201910013051A CN 109594960 A CN109594960 A CN 109594960A
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- 238000012800 visualization Methods 0.000 title claims abstract description 54
- 239000006260 foam Substances 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 230000000007 visual effect Effects 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 50
- 239000007924 injection Substances 0.000 claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 claims abstract description 31
- 238000003780 insertion Methods 0.000 claims abstract description 23
- 230000037431 insertion Effects 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 25
- 239000004005 microsphere Substances 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000005341 toughened glass Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000004088 foaming agent Substances 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000010410 layer Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101000688582 Homo sapiens SH3 domain-containing kinase-binding protein 1 Proteins 0.000 description 1
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 102100024244 SH3 domain-containing kinase-binding protein 1 Human genes 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
This application discloses a kind of visual experimental apparatus of analog composite foam profile control and its visualization sandpack columns.The visualization sandpack column includes: two pieces of rectangular transparent plates, injection pipe, production pipe, upper plate and lower plate；Two pieces of rectangular transparent plates are arranged in parallel；The injection pipe and the production pipe are separately positioned on the upper side and lower side in the channel between two pieces of transparent plates, and the injection pipe and the production pipe all have the insertion groove with sieve；The upper plate and the lower plate are separately positioned on the upper side and lower side in the channel between two pieces of transparent plates；Two pieces of rectangular transparent plates, the insertion groove of the injection pipe, the insertion groove of the production pipe, the upper plate form inner cavity together with the lower plate is by adhesive bonds.The visual experimental apparatus of the application can environment in the heterogeneous channelling stratum of accurate simulation complexity, complete the exact evaluation to the profile control effect of novel built foaming agent.
Description
Technical field
This application involves but be not limited to oil-gas field development technical field, be particularly, but not limited to a kind of simulation and heterogeneous alter
Flow the visual experimental apparatus of composite foam profile control and its visualization sandpack column in stratum.
Background technique
The water flooding effectiveness in Bohai Sea part oil field is deteriorated year by year, and part well group or block have entered high water cut rate, " control
Water is surely oily " key issues of difficulty is gradually increased, and moisture content is high is prominent.The main reason for causing these problems is that offshore oilfield is raw
Payzone system is complicated, and after the waterflooding extraction of many years, reservoir layer is interior, interlayer contradiction is prominent, and injection water channeling is serious.At this stage,
Injection water is inefficient or inefficient cycle phenomenon is increasingly severe, and difficulty of governance also gradually increases, and influences the long-acting exploitation in oil field.
Although current oil field has carried out well profile modification work, rate of water cut increase is slowed down to a certain extent, through excessive
After the operation of round, effect is worse and worse.The profile control effect for compounding foaming agent is preferable, and is suitable for the profile control of complex condition
Work.Compounding foaming agent synergistic effect be increasingly becoming component part increasingly important in oil exploitation industry, this for
The laboratory evaluation of the profile control effect of novel built foaming agent under complex stratum condition also has higher requirement, accordingly,
It needs to research and develop the experimental model that can simulate composite foam integral profile control under complex stratum condition.
Summary of the invention
This application provides the visual experimental apparatus and its sandpack column of a kind of analog composite foam profile control, the visualizations
Experimental provision can environment in the heterogeneous channelling stratum of accurate simulation complexity, to complete the tune to novel built foaming agent
Cut open the exact evaluation of effect.
Specifically, this application provides a kind of visualization sandpack column of analog composite foam profile control, the visualization is filled out
Sand mo(u)ld type includes: two pieces of rectangular transparent plates, injection pipe, production pipe, upper plate and lower plate；
Two pieces of rectangular transparent plates are arranged in parallel；
The injection pipe and the production pipe are separately positioned on the channel between two pieces of rectangular transparent plates
Left and right side, the injection pipe and the production pipe all have the insertion groove with sieve, and the injection pipe has entrance, institute
Stating production pipe has outlet；
The upper plate and the lower plate are separately positioned on the upside in the channel between two pieces of rectangular transparent plates
And downside, jack is provided in the upper plate and the lower plate；
Two pieces of rectangular transparent plates, the injection pipe insertion groove, it is described production pipe insertion groove, it is described on
Plate forms inner cavity, is filled with glass microsphere in the inner cavity together with the lower plate is by adhesive bonds.
In the embodiment of the present application, the visualization sandpack column can also include zonal isolation item, the zonal isolation
Item is arranged in the insertion groove of the injection pipe.
In the embodiment of the present application, the length of two pieces of rectangular transparent plates and the ratio of width are identical, can be with
It is 3:1-5:1.
In the embodiment of the present application, the visualization sandpack column can also include fixed frame, and the fixed frame is fixed on
The outside of two pieces of rectangular transparent plates.
In the embodiment of the present application, the transparent plate can be tempered glass plate.
In the embodiment of the present application, the upper plate can be steel plate, poly (methyl methacrylate) plate or armorplate glass, and the lower plate can
Think steel plate, poly (methyl methacrylate) plate or armorplate glass.
In the embodiment of the present application, the upper plate and the lower plate can be steel plate, and the upper plate and it is described under
4 jacks can be had on plate.
In the embodiment of the present application, the top of the inner cavity can be the glass microsphere of 100-120 mesh filled with granularity, in
Portion can be the glass microsphere of 60-80 mesh filled with granularity, and lower part can be the glass microsphere of 160-180 mesh filled with granularity.
Present invention also provides a kind of visual experimental apparatus of analog composite foam profile control, the visual experimental apparatus
Including pump, intermediate receptacle, liquid container, caisson, gas flow controller, six-way valve, back-up sand is visualized as described above
Model, data gathering system, data processing system, back-pressure valve, product collecting container, control valve and triple valve；
The entrance of the pump is connect by pipeline with the liquid container, and the outlet of the pump is distinguished by the triple valve
Connect with one end of the first pipeline and the second pipeline, the other end of first pipeline and second pipeline respectively with it is described can
Entrance depending on changing the injection pipe of sandpack column connects, and is provided with control valve on first pipeline；
The intermediate receptacle and the six-way valve are arranged on second pipeline, and one end of the intermediate receptacle
It is connect with the outlet of the pump, the other end of the intermediate receptacle is connect with the six-way valve, the six-way valve and the injection
The entrance of pipe connects, and between the outlet and the intermediate receptacle of the pump and the entrance of the six-way valve and the injection pipe
Between be provided with control valve；
The caisson is connect by pipeline with the six-way valve, and the gas flow controller is arranged in the gas storage
Between device and the six-way valve, and control valve is provided between the caisson and the gas flow controller；
The data gathering system includes pressure sensor and photographic device, and the pressure sensor passes through the visualization
Jack on the upper plate and lower plate of sandpack column is inserted into the inner cavity, and the photographic device is arranged in the visualization back-up sand mould
Type side；
The data processing system is connect with the pressure sensor and the photographic device, is configured to from described
The data-signal of pressure sensor and the photographic device is handled；
The outlet of the production pipe of the visualization sandpack column is connect by pipeline with the product collecting container, and
And it is provided with back-pressure valve between the outlet and the product collecting container of the production pipe, the product collecting container is configured to
It is enough that the volume of the liquid of its internal reservoir is measured.
In the embodiment of the present application, scale can be had on the product collecting container.
The visual experimental apparatus of the application can environment in the heterogeneous channelling stratum of accurate simulation complexity, thus complete
The exact evaluation of the profile control effect of pairs of novel built foaming agent.In addition, the visual experimental apparatus of the application can also simulate
Given layer position profile control under complex stratum condition, to study influence of the different layers position injection phase to integral profile control effect.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the application.The purpose of the application and other advantages can by the application and
Specifically noted structure is achieved and obtained in attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this
The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the structural schematic diagram of the visual experimental apparatus of the embodiment of the present application；
Fig. 2 is the main view of the visualization sandpack column of the embodiment of the present application；
Fig. 3 is the left view of the visualization sandpack column of the embodiment of the present application；
Fig. 4 is the setting schematic diagram of the zonal isolation item of the visualization sandpack column of the embodiment of the present application；
Fig. 5 is the structural schematic diagram of the zonal isolation item of the visualization sandpack column of the embodiment of the present application.
Label in attached drawing indicates:
1- pumps 2- intermediate receptacle 3- liquid container
4- caisson 5- gas flow controller 6- six-way valve
7- visualizes sandpack column 701- transparent plate 702- injection pipe
703- produces pipe 704- insertion groove 705- zonal isolation item
706- fixed frame 707- bolt 8- data gathering system
801- pressure sensor 9- data processing system 10- back-pressure valve
11- product collecting container 12- control valve 13- triple valve
Specific embodiment
For the purposes, technical schemes and advantages of the application are more clearly understood, below in conjunction with attached drawing to the application
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
The embodiment of the present application provides a kind of visualized experiment dress for simulating composite foam profile control in heterogeneous channelling stratum
Set and its visualize sandpack column.As shown in Figure 1, the visual experimental apparatus include pump 1, intermediate receptacle 2, liquid container 3,
Caisson 4, gas flow controller 5, six-way valve 6, visualization sandpack column 7, data gathering system 8, data processing system
9, back-pressure valve 10, product collecting container 11, control valve 12 and triple valve 13.
The entrance of the pump 1 is connect by pipeline with the liquid container 3, and the outlet of the pump 1 passes through the triple valve
13 connect with one end of one end of the first pipeline and the second pipeline respectively, the other end of first pipeline and second pipeline
The other end connect respectively with the visualization sandpack column 7, be provided with control valve 12 on first pipeline.
The intermediate receptacle 2 and the six-way valve 6 are arranged on second pipeline, and the intermediate receptacle 2
One end connect with the outlet of the pump 1, and the other end of the intermediate receptacle 2 is connect with the six-way valve 6, the six-way valve 6 and
The visualization sandpack column 7 connects, and between the outlet and the intermediate receptacle 2 of the pump 1 and the six-way valve 6 with
Control valve 12 is provided between the visualization sandpack column 7.
The caisson 4 is connect by pipeline with the six-way valve 6, and the gas flow controller 5 is arranged described
Between caisson 4 and the six-way valve 6, and control is provided between the caisson 4 and the gas flow controller 5
Valve 12 processed.
As shown in Figures 2 and 3, the visualization sandpack column 7 includes: two pieces of rectangular transparent plates 701, injection pipes
702, pipe 703, upper plate and lower plate are produced；
Two pieces of rectangular transparent plates 701 are arranged in parallel；
The injection pipe 702 and the production pipe 703 are separately positioned between two pieces of rectangular transparent plates 701
Channel left and right side, the injection pipe 702 and the production pipe 703 all have the insertion groove 704 with sieve, described
Injection pipe 702 has an entrance, first pipeline and second pipeline pass through respectively the entrance of the injection pipe 702 with it is described
Sandpack column 7 is visualized to connect；The production pipe 703 has outlet, which passes through pipeline and the product collecting container 11
Connection, and back-pressure valve 10 is provided between the outlet and the product collecting container 11, the product collecting container 11 configures
For that can be measured to the volume of the liquid of its internal reservoir；
The upper plate and the lower plate are separately positioned on the upper of the channel between two pieces of rectangular transparent plates 701
Jack is provided in side and downside, the upper plate and the lower plate；
Two pieces of rectangular transparent plates 701, the insertion groove 704 of the injection pipe 702, the production pipe 703
Insertion groove 704, the upper plate and the lower plate pass through together with adhesive bonds, form inner cavity, are filled with glass in the inner cavity
Glass microballoon.
The data gathering system 8 includes pressure sensor 801 and photographic device, and the pressure sensor 801 passes through institute
The jack stated on the upper plate and lower plate of visualization sandpack column 7 is inserted into the inner cavity, the photographic device setting it is described can
Depending on changing 7 side of sandpack column.
The data processing system 9 is connect with the pressure sensor 801 and the photographic device, be configured to from
The data-signal of the pressure sensor 801 and the photographic device is handled.
As shown in Figure 4 and Figure 5, in the embodiment of the present application, the visualization sandpack column 7 can also include zonal isolation
Item 705, the zonal isolation item 705 are arranged in the insertion groove 704 of the injection pipe 702.The zonal isolation item 705 is used for
Packer used in offshore oilfield injection string is simulated, zonal isolation item can be adjusted according to marine actual conditions in visualization back-up sand
Packing position and length in model.Although compound foaming agent profile control using more and more extensive, " commingled water injection " is opened
The offshore oilfield of originating party formula, influence of the different implanted layer positions to composite foam integral profile control effect is not also very in bad ground
Solution.When the visualization sandpack column 7 includes zonal isolation item 705, compounding foaming agent can be injected in different layers position, carried out
Given layer position profile control, to study under complex stratum condition, influence of the different layers position injection phase to integral profile control effect.The layer position
Insulating item 705 can be rubber strip, can be by adhesive bonds in the insertion groove 704.
In the embodiment of the present application, the pump 1 can be pumped using constant speed and constant pressure, for example, HSB-1 type constant speed and constant pressure pumps.
In the embodiment of the present application, the transparent plate 701 can be tempered glass plate.
In the embodiment of the present application, the size of two pieces of rectangular transparent plates 701 is identical, specifically two
The length of the rectangular transparent plate 701 of block and the ratio of width are identical, can be 3:1-5:1, for example, length can be with
For 60cm, width can be 20cm.A general marine sealing layer position includes multiple oil reservoirs, and thickness is mostly more than 100 meters, is also had
Tens meters.Injection-production well is spaced about 400-450m.The application is studied mainly for big layer position (100m or more) profile control effect.Root
According to live sealing layer position and well spacing situation, and consider to test practical value, the Aspect Ratio of visualization sandpack column 7 can be set
For 3:1-5:1, i.e., the length of the described transparent plate 701 and the ratio of width are 3:1-5:1.
Rectangular visualization sandpack column 7 does not have limitation in simulated formation thickness, not the limitation of injector producer distance
Property, and closer to the Aspect Ratio of true well, visuality is more preferable, is conducive to the preferably envelope of observation injection foam in a model
Stifled and transport conditions.In addition, the Aspect Ratio of the visualization sandpack column 7 of the embodiment of the present application is 3:1-5:1, cooperate specific mesh
Several glass microsphere fillings ensure that injector producer distance maximumlly simultaneously so that simulated formation permeability is greater than 0.06 darcy
Also effective driving radius is met, and meets oil reservoir starting pressure and the model principle of similitude.
In the embodiment of the present application, the visualization sandpack column 7 can also include fixed frame 706, the fixed frame 706
Be fixed on the outside of two pieces of rectangular transparent plates 701, clamp the visualization sandpack column, thus to it is described can
Compressive resistance support is provided depending on changing sandpack column 7.The fixed frame 706 can be the frame made of steel plate.
In the embodiment of the present application, the fixed frame 706 can be fixed on the transparent plate 701 by bolt 707
Outside.
In the embodiment of the present application, the upper plate can be steel plate, poly (methyl methacrylate) plate or armorplate glass, and the lower plate can
Think steel plate, poly (methyl methacrylate) plate or armorplate glass.
In the embodiment of the present application, the top of the inner cavity can be the glass microsphere of 100-120 mesh filled with granularity, in
Portion can be the glass microsphere of 60-80 mesh filled with granularity, and lower part can be the glass microsphere of 160-180 mesh filled with granularity.
In the embodiment of the present application, the injection pipe 702 and the production pipe 703 can use note commonly used in the art
Enter pipe and production pipe, insertion groove 704 and the injection pipe 702 or the production pipe 703 are an entirety, the injection pipe 702
Or the production pipe 703 is connected to by the sieve on the insertion groove 704 with the inner cavity, and passes through the insertion groove 704
Prevent the glass microsphere in the inner cavity from entering the injection pipe 702 and the production pipe 703.
In the embodiment of the present application, the caisson 4 can be gas cylinder, and gas therein can need for composite foam agent
The nitrogen wanted.
In the embodiment of the present application, scale can be had on the product collecting container 11, for example, the collection of products holds
Device 11 can be graduated cylinder.
Using the embodiment of the present application visual experimental apparatus when, first according to experiment demand utilization sealant by the layer
Position packing item 705, which is bonded in the insertion groove 704 of the injection pipe 702, simulates packer used in offshore oilfield flow string,
Then by two pieces of rectangular transparent plates 701, the lower plate, the insertion groove 704 of the injection pipe 702 and the production
The insertion groove 704 of pipe 703 bonds together, and forms the inner cavity of visualization sandpack column 7；Circularity >=50% is filled in the lumen
Different-grain diameter glass microsphere simulates inhomogeneous formation (positive rhythm, the anti-rhythm), and loads larger mesh number at the middle part of inner cavity
The fluid-channeling channel in glass microsphere simulated formation region；Then be bonded the upper plate, by pressure sensor 801 be inserted into the upper plate and
In jack in the lower plate, and connection relationship connects the visualization sandpack column 7 with other assemblies as described above
It is connected together, the inner cavity of the visualization sandpack column 7 is closed at this time.
The water flooding that will be stored in the liquid container 3 using the pump 1 is with the injection rate of 0.5mL/min by first
Pipeline is pumped into the inner cavity of the visualization sandpack column 7, until the outlet of the production pipe 703 has been saturated after being discharged one hour
At the porosity of the calculating visualization sandpack column 7.The crude oil that will be stored in the intermediate receptacle 2 followed by the pump 1
It is pumped into the inner cavity of the visualization sandpack column 7 with the injection rate of 0.5mL/min by the second pipeline, simulates the original reservoir
Condition.
It is pumped with the injection rate of 1mL/min by the first pipeline using the water that the pump 1 will store in the liquid container 3
Enter it is described visualization sandpack column 7 inner cavity in, simulate displacement in flooding process, record water injection rate and corresponding oil production,
Water yield records the process of channelling and the generation of fingering phenomenon using photographic device.Then composite foam system is put into described
Between in container 2, the composite foam system stored in the intermediate receptacle 2 is led to the injection rate of 1mL/min using the pump 1
It crosses the second pipeline to be pumped into the six-way valve 6, while the gas being stored in the caisson 4 is pumped into the six-way valve 6
In, gas flow is controlled with the gas flow controller 5, makes gas and composite foam system with 1:1 in the six-way valve 6
Volume ratio mixed, and be injected into the inner cavity of the visualization sandpack column 7 by the second pipeline, simulate live foam
Then transfer drive operation continues to be pumped into water drive after Fluid Dynamics by the first pipeline with the injection rate of 1mL/min.Remember in experimentation
The injection rate and corresponding oil production, water yield of composite foam system and water are recorded, and is remembered by the data processing system 9
The pressure change of each different location in inner cavity during record displacement in flooding, composite foam transfer drive, and institute is recorded by photographic device
State the situation of change and composite foam distribution situation of oil saturation in visualization sandpack column 7.
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of visualization sandpack column of analog composite foam profile control, which is characterized in that the visualization sandpack column includes:
Two pieces of rectangular transparent plates, injection pipe, production pipe, upper plate and lower plate；
Two pieces of rectangular transparent plates are arranged in parallel；
The injection pipe and the production pipe are separately positioned on the left side in the channel between two pieces of rectangular transparent plates
And right side, the injection pipe and the production pipe all have the insertion groove with sieve, the injection pipe has entrance, the life
Producing pipe has outlet；
The upper plate and the lower plate are separately positioned on the upside in the channel between two pieces of rectangular transparent plates under
Jack is provided in side, the upper plate and the lower plate；
Two pieces of rectangular transparent plates, the insertion groove of the injection pipe, the production insertion groove of pipe, the upper plate and
The lower plate together, is formed inner cavity, is filled with glass microsphere in the inner cavity by adhesive bonds.
2. visualization sandpack column according to claim 1 further includes zonal isolation item, the zonal isolation item setting exists
In the insertion groove of the injection pipe.
3. visualization sandpack column according to claim 1, wherein the length of two pieces of rectangular transparent plates with
The ratio of width is identical, is 3:1-5:1.
4. visualization sandpack column according to claim 1, further includes fixed frame, the fixed frame be fixed on two pieces it is rectangular
The outside of the transparent plate of shape.
5. visualization sandpack column described in any one of -4 according to claim 1, wherein the transparent plate is tempered glass
Plate.
6. visualization sandpack column described in any one of -4 according to claim 1, wherein the upper plate is steel plate, organic glass
Glass plate or armorplate glass, the lower plate are steel plate, poly (methyl methacrylate) plate or armorplate glass.
7. visualization sandpack column according to claim 6, wherein the upper plate and the lower plate are steel plate, and
4 jacks are had on the upper plate and the lower plate.
8. visualization sandpack column described in any one of -4 according to claim 1, wherein the top of the inner cavity is filled with grain
Degree is the glass microsphere of 100-120 mesh, and middle part is the glass microsphere of 60-80 mesh filled with granularity, and under-filled have the granularity to be
The glass microsphere of 160-180 mesh.
9. a kind of visual experimental apparatus of analog composite foam profile control, which is characterized in that the visual experimental apparatus includes
Pump, intermediate receptacle, liquid container, caisson, gas flow controller, six-way valve, according to claim 1 any one of -8 institute
Visualization sandpack column, data gathering system, data processing system, back-pressure valve, product collecting container, control valve and the threeway stated
Valve；
The entrance of the pump is connect by pipeline with the liquid container, and the outlet of the pump passes through the triple valve respectively with the
The connection of one end of one pipeline and the second pipeline, the other end of first pipeline and second pipeline respectively with the visualization
The entrance of the injection pipe of sandpack column connects, and is provided with control valve on first pipeline；
The intermediate receptacle and the six-way valve are arranged on second pipeline, and one end of the intermediate receptacle and institute
The outlet connection of pump is stated, the other end of the intermediate receptacle is connect with the six-way valve, the six-way valve and the injection pipe
Entrance connection, and between the outlet and the intermediate receptacle of the pump between the six-way valve and the entrance of the injection pipe
It is provided with control valve；
The caisson is connect by pipeline with the six-way valve, and the gas flow controller is arranged in the caisson
Control valve is provided between the six-way valve, and between the caisson and the gas flow controller；
The data gathering system includes pressure sensor and photographic device, and the pressure sensor passes through the visualization back-up sand
Jack on the upper plate and lower plate of model is inserted into the inner cavity, and the photographic device is arranged in the visualization sandpack column one
Side；
The data processing system is connect with the pressure sensor and the photographic device, is configured to from the pressure
The data-signal of sensor and the photographic device is handled；
The outlet of the production pipe of the visualization sandpack column is connect by pipeline with the product collecting container, and institute
It states and is provided with back-pressure valve between the outlet and the product collecting container of production pipe, the product collecting container is configured to pair
The volume of the liquid of its internal reservoir measures.
10. visual experimental apparatus according to claim 9, wherein have scale on the product collecting container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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