CN209539345U - The visual experimental apparatus and its sandpack column of analog composite foam given layer position profile control - Google Patents
The visual experimental apparatus and its sandpack column of analog composite foam given layer position profile control Download PDFInfo
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- CN209539345U CN209539345U CN201920020888.3U CN201920020888U CN209539345U CN 209539345 U CN209539345 U CN 209539345U CN 201920020888 U CN201920020888 U CN 201920020888U CN 209539345 U CN209539345 U CN 209539345U
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Abstract
This application discloses a kind of visual experimental apparatus of analog composite foam given layer position profile control and its visualization sandpack columns.The visualization sandpack column includes: two pieces of transparent plates, injection pipe, production pipe, upper plate and lower plate；Two pieces of transparent plates are arranged in parallel；Injection pipe and production pipe are separately positioned on the upper side and lower side in the channel between two pieces of transparent plates, and injection pipe and production pipe all have insertion groove, zonal isolation item are provided in the insertion groove of injection pipe；Upper plate and lower plate are separately positioned on the upper side and lower side in the channel between two pieces of transparent plates；Two pieces of transparent plates, the insertion groove of injection pipe, the insertion groove for producing pipe, upper plate and lower plate pass through together with adhesive bonds, form inner cavity.The visual experimental apparatus of the application can environment in the heterogeneous channelling stratum of accurate simulation complexity, study influence of the bad ground difference implanted layer position to integral profile control effect, 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 given layer position 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.The synergistic effect of compounding foaming agent has been increasingly becoming component part increasingly important in oil exploitation industry, but for
The offshore oilfield of " commingled water injection " development scheme, influence of the bad ground difference decanting point to composite foam integral profile control effect is also
It not quite understands.For the laboratory evaluation of the profile control effect of the novel built foaming agent under complex stratum condition, there has also been more for this
High requirement accordingly needs to research and develop to simulate and compares different implanted layer positions composite foam under complex stratum condition and integrally adjust
The experimental model cutd open.
Utility model content
This application provides the visual experimental apparatus and its sandpack column of a kind of analog composite foam given layer position profile control, should
Visual experimental apparatus can environment in the heterogeneous channelling stratum of accurate simulation complexity, and can be injected for different layers position
Composite foam studies influence of the bad ground difference decanting point to integral profile control effect, to complete to novel built foaming agent
Given layer position profile control effect exact evaluation.
Specifically, this application provides a kind of visualization sandpack column of analog composite foam given layer position profile control, it is described can
It include: two pieces of transparent plates, injection pipe, production pipe, upper plate and lower plate depending on changing sandpack column；
Two pieces of transparent plates are arranged in parallel；
The injection pipe and the production pipe are separately positioned on the left side and the right side in the channel between two pieces of transparent plates
Side, the injection pipe and the production pipe all have the insertion groove with sieve, are provided with layer in the insertion groove of the injection pipe
Position packing item, the injection pipe have entrance, and the production pipe has outlet；
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, institute
It states and is provided with jack in upper plate and the lower plate；
Two pieces of transparent plates, the insertion groove of the injection pipe, the production insertion groove of pipe, the upper plate and described
Lower plate together, is formed inner cavity, is filled with glass microsphere in the inner cavity by adhesive bonds.In the embodiment of the present application,
The size of two pieces of transparent plates is identical, can be rectangle, and the ratio of length and width is identical to be 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 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 given layer position profile control, the visualization is real
Experiment device include pump, intermediate receptacle, liquid container, caisson, gas flow controller, six-way valve, it is as described above visually
Change sandpack column, 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.Meanwhile 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 visualization for simulating composite foam given layer position profile control in heterogeneous channelling stratum
Experimental provision and its visualization sandpack column.As shown in Figure 1, the visual experimental apparatus includes 1, intermediate receptacle 2, liquid of pump
Container 3, caisson 4, gas flow controller 5, six-way valve 6, visualization sandpack column 7, data gathering system 8, at data
Reason 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 to 5, 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
Zonal isolation item 705 is provided in the insertion groove 704 of injection pipe 702, the injection pipe 702 has entrance, first pipeline
The entrance for passing through the injection pipe 702 respectively with second pipeline is connect with the visualization sandpack column 7；The production pipe
703 have outlet, which is connect by pipeline with the product collecting container 11, and the outlet and the collection of products hold
Be provided with back-pressure valve 10 between device 11, the product collecting container 11 be configured to the volume of the liquid of its internal reservoir into
Row measurement；
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.
The zonal isolation item 705, can be according to marine practical for simulating packer used in offshore oilfield injection string
Situation adjusts packing position and length of the zonal isolation item in visualization sandpack column.Although compounding the application of foaming agent profile control
It is more and more extensive, but for the offshore oilfield of " commingled water injection " development scheme, different implanted layers position is to compound vacuole in bad ground
The influence of foam integral profile control effect is also not quite understood.It, can when the visualization sandpack column 7 includes zonal isolation item 705
To inject compounding foaming agent in different layers position, given layer position profile control is carried out, to study under complex stratum condition, position is injected in different layers position
Set the influence to integral profile control effect.The zonal isolation item 705 can be rubber strip, can be by adhesive bonds described
In 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 described two pieces 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 (9)
1. a kind of visualization sandpack column of analog composite foam given layer position profile control, which is characterized in that the visualization back-up sand mould
Type includes: two pieces of transparent plates, injection pipe, production pipe, upper plate and lower plate；
Two pieces of transparent plates are arranged in parallel；
The injection pipe and the production pipe are separately positioned on the left and right side in the channel between two pieces of transparent plates, institute
It states injection pipe and the production pipe all has the insertion groove with sieve, be provided with zonal isolation in the insertion groove of the injection pipe
Item, the injection pipe have entrance, and the production pipe has outlet；
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, it is described on
Jack is provided in plate and the lower plate；
Insertion groove, the upper plate and the lower plate of two pieces of transparent plates, the insertion groove of the injection pipe, the production pipe
Together by adhesive bonds, inner cavity is formed, is filled with glass microsphere in the inner cavity.
2. visualization sandpack column according to claim 1, wherein the length of two pieces of transparent plates and the ratio of width
Example is identical, is 3:1-5:1.
3. visualization sandpack column according to claim 1, further includes fixed frame, the fixed frame is fixed on described in two pieces
The outside of transparent plate.
4. visualization sandpack column according to any one of claim 1-3, wherein the transparent plate is tempered glass
Plate.
5. visualization sandpack column according to any one of claim 1-3, 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.
6. visualization sandpack column according to claim 5, wherein the upper plate and the lower plate are steel plate, and
4 jacks are had on the upper plate and the lower plate.
7. visualization sandpack column according to any one of claim 1-3, 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.
8. a kind of visual experimental apparatus of analog composite foam given layer position profile control, which is characterized in that the visualized experiment dress
It sets including pump, intermediate receptacle, liquid container, caisson, gas flow controller, six-way valve, according to claim 1 appoint in -7
Visualization sandpack column, data gathering system, data processing system, back-pressure valve, product collecting container, control valve described in one
And triple 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.
9. visual experimental apparatus according to claim 8, wherein have scale on the product collecting container.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088879A (en) * | 2021-11-16 | 2022-02-25 | 中国石油大学(北京) | Carbon dioxide water-based three-phase foam internal phase evolution and cooperative plugging regulation testing device and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088879A (en) * | 2021-11-16 | 2022-02-25 | 中国石油大学(北京) | Carbon dioxide water-based three-phase foam internal phase evolution and cooperative plugging regulation testing device and application thereof |
| CN114088879B (en) * | 2021-11-16 | 2022-07-29 | 中国石油大学(北京) | Carbon dioxide water-based three-phase foam internal phase evolution and cooperative plugging regulation testing device and application thereof |
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