CN208203245U - A kind of supercritical CO2Take sand sanding visual simulation system - Google Patents
A kind of supercritical CO2Take sand sanding visual simulation system Download PDFInfo
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- CN208203245U CN208203245U CN201820072301.9U CN201820072301U CN208203245U CN 208203245 U CN208203245 U CN 208203245U CN 201820072301 U CN201820072301 U CN 201820072301U CN 208203245 U CN208203245 U CN 208203245U
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Abstract
The utility model relates to a kind of supercritical COs to take sand sanding visual simulation system, it is characterised in that: including supercritical CO module, injection module, mulling module, die body module and control of export module；The supercritical CO of use takes sand sanding visual simulation system, by the CO in the circulatory system, injection module is injected into mulling module after liquefaction, it is injected into after being stirred in mixing sand tank by the CO and sand of liquid in die body module through the flowing and laying of photographing module observation of liquid state CO and sand in rock stratum, the system is used for the performance of CO dry method fracturing fluid solid-carrying performance under different phase, realize visualization, structure is simple, measurement accuracy is high, it is easy to implement, mixing speed, temperature and pressure is adjustable, the quantitative measurment of CO fracturing fluid solid-carrying performance under can be realized in larger pressure and temperature from liquid to supercriticality, reliable solid-carrying performance data are provided for FRACTURING DESIGN and field test.
Description
Technical field
The utility model relates to unconventional oil and gas storey increase design field more particularly to a kind of supercritical COs2Taking sand sanding can
Depending on changing simulation system.
Background technique
Supercritical CO 2 dry method pressure break is the clean fracturing technological means of a kind of hyposmosis and untraditional reservoir pressure break, is increased
Laying form etc. of the prop-carrying capacity, proppant of supercritical CO 2 after viscous in crack plays fracturing effect vital
Effect.
During equipment is required to be clearly observed pressing crack construction and the row of returning, proppant different experimental materials with
Migration path and whaleback form under different experiment systems inside crack, the optimization for construction parameter in FRACTURING DESIGN provide guarantor
Barrier.
It is used to support agent migration Study on settling rule of formation sand and construction parameter optimizes, large-scale visual results of fracture simulation system is through visual
Plate can be clearly observed the migration rule of proppant and the whaleback form of formation during pressing crack construction process and the row of returning,
It is fuzzy pointedly to solve the problems, such as that proppant lays knowledge of regularity in crack.By changing experiment condition, can study not
The impact effect that same experimental material lays proppant from different experiment systems, thus it is preferred that construction material, Optimizing construction
Parameter determines the row's of returning system, final to realize that proppant distribution optimizes.
The development and test of pressure break new technology and new material etc. are carried out, large-scale visual results of fracture simulation system can altitude simulation reality
It is new to be suitable for New Fracturing Fluid, proppant, new process for the various features such as temperature, fracturing fluid leak, the reservoir lithology of border reservoir
The research of technology, such as fiber fracturing technology, high-speed channel Fracturing Technique Study, fracturing technology is designed to be had with evaluation
Significance.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of visualizations, and structure is simple, and measurement accuracy is high, are easy to real
It applies, mixing speed, temperature and pressure are adjustable, CO under can be realized in larger pressure and temperature from liquid to supercriticality2
The quantitative measurment of fracturing fluid solid-carrying performance provides the overcritical of reliable solid-carrying performance data for FRACTURING DESIGN and field test
CO2Take sand sanding visual simulation system.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of supercritical CO2Take the visualization of sand sanding
Simulation system, innovative point are: including supercritical CO2Module, injection module, mulling module, die body module and outlet
Control module；The supercritical CO2Module, injection module, mulling module, die body module and control of export module are successively led to
Cross sprue connection forming circuit；
The supercritical CO2Module includes CO2Gas cylinders group and CO2Liquefying plant；The CO2Gas cylinders group and CO2Liquefying plant
It is sequentially connected；The CO2Gas cylinders group includes several gas cylinder units being mutually in parallel, each CO2The output end of gas cylinder unit collect after simultaneously
It is associated on sprue；The CO2Liquefying plant includes liquid collecting tank and refrigeration unit；The refrigeration unit is in parallel with liquid collecting tank, collection
Flow container is connected in parallel on sprue；
The injection module includes several pumping units being mutually in parallel, and the output end of each pumping unit is connected in parallel on sprue
On；
The mulling module includes that mixing sand tank, high-pressure spiral add sand pump and thickener injection pump, and the mixing sand tank is connected on
On sprue, the spiral adds sand pump to be connected in parallel on mixing sand tank；The thickener injection pump is connected on mixing sand tank；
The die body block coupled in series mulling module output end, the die body module include model unit and
Model end socket；The model unit has several, and two model units, which are symmetrical arranged, forms a model group, between the model group
Mutually it is connected in series to form the main part of die body module；The model end socket is separately positioned on die body module bodies part
Both ends are respectively arranged with inlet and liquid outlet on the model end socket；An accommodating chamber is formed among two model unit, it should
Rock stratum is filled in accommodating chamber；The side of the model unit is provided with several visual windows；
For the control of export block coupled in series in the output end of die body module, the control of export module includes gas-liquid-solid
Separator, drying separator and back pressure valve group；The gas-liquid-solid separator, drying separator and back pressure valve group are sequentially connected in series in master
On runner, the back pressure valve group includes a pair of counterbalance valve in parallel, the output end and CO of the counterbalance valve2The output end of gas cylinders group
It is connected in series.
Further, each CO2The output end of gas cylinder unit has been independently arranged control valve and pressure gauge.
Further, the pumping unit includes plunger pump and check valve, and plunger pump is connected with check valve, check valve it is defeated
Outlet is connected in parallel on sprue.
Further, the agitating paddle being driven by motor is provided in the mixing sand tank.
Further, the input terminal and output end of the die body module are respectively arranged with a pressure test table.
Further, the mixing sand tank of the mulling module and die body module are arranged in a temperature control box.
Further, several photographing modules are provided on the outside of the die body module.
Utility model has the advantages that
1) supercritical CO used in the utility model2Sand sanding visual simulation system is taken, it will be in the circulatory system
CO2Injection module is injected into mulling module after liquefaction, passes through the CO of liquid2It is injected into after being stirred in mixing sand tank with sand
Pass through photographing module observation of liquid state CO in die body module2With flowing and laying condition of the sand in rock stratum, the utility model
The supercritical CO of offer2Sand sanding visual simulation system is taken for CO under different phase2The property of dry method fracturing fluid solid-carrying performance
Can, visualization is realized, structure is simple, and measurement accuracy is high, and easy to implement, mixing speed, temperature and pressure are adjustable, Neng Goushi
CO under now in larger pressure and temperature from liquid to supercriticality2The quantitative measurment of fracturing fluid solid-carrying performance is FRACTURING DESIGN
Reliable solid-carrying performance data are provided with field test.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is a kind of supercritical CO of the utility model2Take sand sanding visual simulation system schematic diagram.
Specific embodiment
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among the embodiment described range.
A kind of supercritical CO as shown in Figure 12Take sand sanding visual simulation system, including supercritical CO2Module 1, injection
Module 2, mulling module 3, die body module 4 and control of export module 5；The supercritical CO2Module 1, is mixed injection module 2
Sand mo(u)ld block 3, die body module 4 and control of export module 5 pass sequentially through a sprue 6 connection forming circuit.
Supercritical CO2Module 1 includes CO2Gas cylinders group 11 and CO2Liquefying plant 12；The CO2Gas cylinders group 11 and CO2Liquefaction dress
12 are set to be sequentially connected；The CO2Gas cylinders group 11 includes several gas cylinder units 111 being mutually in parallel, each CO2Gas cylinder unit 11 it is defeated
Outlet is connected in parallel on sprue 6 after collecting；The CO2Liquefying plant 12 includes liquid collecting tank 121 and refrigeration unit 122；The system
Cold group 122 is in parallel with liquid collecting tank 121, and liquid collecting tank 121 is connected in parallel on sprue 6.
Injection module 2 includes several pumping units 21 being mutually in parallel, and the output end of each pumping unit 21 is connected in parallel on mainstream
On road 6.
Mulling module 3 adds sand pump 32 and thickener injection pump 33 including mixing sand tank 31, high-pressure spiral, and the mixing sand tank 31 is gone here and there
It is associated on sprue 6, the spiral adds sand pump 32 to be connected in parallel on mixing sand tank 31；The thickener injection pump 33 is connected to mixing sand tank
On 31；
Die body module 4 is connected on the output end of mulling module 3, and the die body module 4 includes model unit 41
With model end socket 42；The model unit 41 has several, and two model units 41, which are symmetrical arranged, forms a model group, the mould
It is mutually connected in series to form the main part 43 of die body module between type group；The model end socket 42 is separately positioned on die body mould
The both ends in block main body portion 43 are respectively arranged with inlet and liquid outlet on the model end socket 42；Among two model unit
An accommodating chamber is formed, rock stratum is filled in the accommodating chamber；The side of the model unit 41 is provided with several visual windows 44.
Control of export module 5 is connected on the output end of die body module 4, and the control of export module 5 includes gas-liquid-solid
Separator 51, drying separator 52 and back pressure valve group 53；The gas-liquid-solid separator 51, drying separator 52 and back pressure valve group 53
Be sequentially connected in series on sprue 6, the back pressure valve group 53 includes a pair of in parallel counterbalance valve, the output end of the counterbalance valve 53 with
CO2The output end of gas cylinders group 11 is connected in series.
Each CO2The output end of gas cylinder unit 11 has been independently arranged control valve and pressure gauge.
Pumping unit 21 includes plunger pump 211 and check valve 212, and plunger pump 211 is connected with check valve 212, check valve 212
Output end be connected in parallel on sprue 6.
The agitating paddle being driven by motor is provided in mixing sand tank 31.
The input terminal and output end of die body module 4 are respectively arranged with a pressure test table.
The mixing sand tank 31 and die body module 4 of mulling module 3 are arranged in a temperature control box.
The outside of die body module 4 is provided with several photographing modules 7.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of supercritical CO2Take sand sanding visual simulation system, it is characterised in that: including supercritical CO2Module, injection mould
Block, mulling module, die body module and control of export module；The supercritical CO2Module, injection module, mulling module, mould
Type main body module passes sequentially through a sprue with control of export module and connects forming circuit；
The supercritical CO2Module includes CO2Gas cylinders group and CO2Liquefying plant；The CO2Gas cylinders group and CO2Liquefying plant is successively
It is connected；The CO2Gas cylinders group includes several gas cylinder units being mutually in parallel, each CO2The output end of gas cylinder unit is connected in parallel on after collecting
On sprue；The CO2Liquefying plant includes liquid collecting tank and refrigeration unit；The refrigeration unit is in parallel with liquid collecting tank, liquid collecting tank
It is connected in parallel on sprue；
The injection module includes several pumping units being mutually in parallel, and the output end of each pumping unit is connected in parallel on sprue；
The mulling module includes that mixing sand tank, high-pressure spiral add sand pump and thickener injection pump, and the mixing sand tank is connected on mainstream
On road, the spiral adds sand pump to be connected in parallel on mixing sand tank；The thickener injection pump is connected on mixing sand tank；
For the die body block coupled in series in the output end of mulling module, the die body module includes model unit and model
End socket；The model unit has several, and two model units, which are symmetrical arranged, forms a model group, between the model group mutually
Series connection forms the main part of die body module；The model end socket is separately positioned on the two of die body module bodies part
It holds, is respectively arranged with inlet and liquid outlet on the model end socket；An accommodating chamber, the appearance are formed among two model unit
It receives intracavitary filled with rock stratum；The side of the model unit is provided with several visual windows；
For the control of export block coupled in series in the output end of die body module, the control of export module includes gas-liquid-solid separation
Device, drying separator and back pressure valve group；The gas-liquid-solid separator, drying separator and back pressure valve group are sequentially connected in series in sprue
On, the back pressure valve group includes a pair of counterbalance valve in parallel, the output end and CO of the counterbalance valve2The output end of gas cylinders group is mutually gone here and there
Connection.
2. a kind of supercritical CO according to claim 12Take sand sanding visual simulation system, it is characterised in that: described each
CO2The output end of gas cylinder unit has been independently arranged control valve and pressure gauge.
3. a kind of supercritical CO according to claim 12Take sand sanding visual simulation system, it is characterised in that: the pump
Sending unit includes plunger pump and check valve, and plunger pump is connected with check valve, and the output end of check valve is connected in parallel on sprue.
4. a kind of supercritical CO according to claim 12Take sand sanding visual simulation system, it is characterised in that: described mixed
The agitating paddle being driven by motor is provided in silo.
5. a kind of supercritical CO according to claim 12Take sand sanding visual simulation system, it is characterised in that: the mould
The input terminal and output end of type main body module are respectively arranged with a pressure test table.
6. a kind of supercritical CO according to claim 12Take sand sanding visual simulation system, it is characterised in that: described mixed
The mixing sand tank and die body module of sand mo(u)ld block are arranged in a temperature control box.
7. a kind of supercritical CO according to claim 12Take sand sanding visual simulation system, it is characterised in that: the mould
Several photographing modules are provided on the outside of type main body module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072301.9U CN208203245U (en) | 2018-01-17 | 2018-01-17 | A kind of supercritical CO2Take sand sanding visual simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072301.9U CN208203245U (en) | 2018-01-17 | 2018-01-17 | A kind of supercritical CO2Take sand sanding visual simulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203245U true CN208203245U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820072301.9U Expired - Fee Related CN208203245U (en) | 2018-01-17 | 2018-01-17 | A kind of supercritical CO2Take sand sanding visual simulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343406A (en) * | 2018-01-17 | 2018-07-31 | 江苏联友科研仪器有限公司 | A kind of supercritical CO2Take sand sanding visual simulation system |
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2018
- 2018-01-17 CN CN201820072301.9U patent/CN208203245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343406A (en) * | 2018-01-17 | 2018-07-31 | 江苏联友科研仪器有限公司 | A kind of supercritical CO2Take sand sanding visual simulation system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20220117 |