CN206205866U - A kind of microcosmic visualization displacement simulation system - Google Patents
A kind of microcosmic visualization displacement simulation system Download PDFInfo
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- CN206205866U CN206205866U CN201621178261.3U CN201621178261U CN206205866U CN 206205866 U CN206205866 U CN 206205866U CN 201621178261 U CN201621178261 U CN 201621178261U CN 206205866 U CN206205866 U CN 206205866U
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Abstract
The utility model discloses the microcosmic visualization displacement simulation system of one kind, including high-resolution observation and acquisition system, drive system；The high-resolution observation and acquisition system include microscope amplification system, dynamic capture system, illuminator, stage system and image collection processing system；The microscope amplification system includes microscope and Zoom control panel；The dynamic capture system is a high-speed camera；The illuminator includes cold light source, colour temperature colour filter, halogen bulb, single branch optical fiber, transmitted light annex；The stage system includes hand operated focalizing mechanism, large-scale base, LED lamp source, and the LED lamp source can be lifted with objective table, while being adjusted to light source.The utility model is operated by reducing intermediate receptacle quantity and whole-course automation, reduces artificial burden；By removing six-way valve, it is ensured that water oil flow process is continuous；Pass through heating system simultaneously, it is ensured that intermediate receptacle temperature is constant, reach experiment demand, improve the effect of experiment.
Description
Technical field
The utility model is related to a kind of microcosmic visualization displacement simulation system, belongs to oil-gas field development technical field.
Background technology
At present, in the research of oilfield exploitation procedure, had become from macroscopic view to microcosmic development it is irresistible become
Gesture.Micromodel largely occurs, and in the microscopic simulation test of oil-gas mining.Micromodel species is various, glass
Micromodel is shown one's talent in the application of numerous micromodels.Make the development that glass model be unable to do without photoetching technique, photoetching
Elite in technology is photolithographic techniques.Microcosmic oil drive system is that oil-gas field development studied more scientific research in recent years in testing
Mesh, by the visual microcosmic oil drive model of ultramicroscopic observation, can intuitively observe profit seepage flow situation in a model
And residual oil distribution situation in etching model.Simultaneously by microscope in real time the displacement of reservoir oil when each step mobility status of fluid transmit
To computer, for research oil displacement process provides intuitively data.
Microphysics simulation is exactly by the micro- of microscopical amplification, video recording and image processing techniques Study In Reservoir fluid
Flow event is seen, so as to disclose the microscopic distribution of fluid in porous media.The China of Application No. 201510236593.6
Patent《A kind of microscopic displacement experiment system and microscopic displacement experiment method based on CT digital cores》, it is by the way of
The change that Fluid in Pore is distributed is reproduced with CT scan technology, its high cost, speed are slow, easily occur two during reproduced picture
Secondary deviation；The Chinese patent of Application No. 201410642984.3《Heavy crude heat extraction microscopic displacement experiment system》, it is in displacement
Continuous, constant pressure needed for experiment can not be reached；The Chinese patent of Application No. 201410500078.X《A kind of viscous crude two dimension
Microcosmic visualization displacement simulation experimental system and its application method》, its observing system for being used is high-definition camera, and is imaged
The resolution ratio of machine system can not usually be clearly observed the situation of micromodel under experimental situation；Application No.
200820123024.6 Chinese patent《Clamping device for high temperature high pressure microscopic experiment》, hold in the middle of the model only one of which that it is used
Device, it is impossible to realize various displacements, and intermediate receptacle, without insulation effect, influences experimental results；Current microphysics
Although displacement model can simulate the distribution situation of profit in displacement process, because the limitation of device can not be reduced preferably
The condition of displacement, do not reach experimental simulation essence and, prior art, be mostly by multiple intermediate receptacles be connected to six lead to
On valve, the UNICOM from different intermediate receptacles is realized by the passage for converting six-way valve, because six-way valve reversal switch is present artificially
Time interval, can exist and enter the fluid of rock core and be back to six-way valve in the case where pressure has been injected, produce experimental error；And use
Pneumatic control component is controlled, and in moment reversal switch, it is possible to reduce the influence of backflow, is tested more accurate.
Utility model content
Regarding to the issue above, to solve problems of the prior art, the utility model provides one kind and can provide perseverance
Constant-pressure, image recognition degree displacement observation device high.Its object is to：
(1) after high-resolution observation and the trial-production of acquisition system are processed, image recognition rate is high, can clearly observe stream
The flow performance of body, can well describe and calculate in big fine pore structure under oil and water zonation state and different conditions in hole
Profit intensity value.
(2) after the trial-production of displacement system is processed, the displacement pressure of stabilization can be formed, in water drive and other displacement processes
In observe the seepage flow characteristics of fluid, and the displacement dynamic of various fluids in displacement process can well be described, to mechanism of oil displacement
Carry out the discussion of profound level.
The technical solution of the utility model is as follows：
A kind of microcosmic visualization displacement simulation system, including high-resolution observation and acquisition system, drive system；
Characterized in that, the high-resolution observation and acquisition system include microscope amplification system, dynamic capture system, photograph
Bright system, stage system and image collection processing system；The microscope amplification system includes microscope and Zoom control face
Plate；The dynamic capture system is a high-speed camera；The illuminator include cold light source, colour temperature colour filter, halogen bulb,
Single branch optical fiber, transmitted light annex；The stage system includes hand operated focalizing mechanism, large-scale base, LED lamp source, the LED
Source can be lifted with objective table, while being adjusted to light source；
The drive system includes vacuumizing saturation system, voltage-regulating system, data acquisition and analysis system, water injecting pump, oil storage
Intermediate receptacle and water storage intermediate receptacle；It is described to vacuumize saturation system；The saturation system that vacuumizes is provided with vavuum pump and pipeline；
The water injecting pump is connected through in pneumatic control component connection oil storage intermediate receptacle, water storage intermediate receptacle and polymer
Between container, oil storage intermediate receptacle, water storage intermediate receptacle and the polymer intermediate receptacle port of export are equipped with check valve, by check valve
Pipeline brings together and is connected to the arrival end of model clamper afterwards, the port of export connection graduated cylinder of model clamper；
The model clamper is positioned in stage system, and stage system upper surface is clear glass, model clamping
Device is positioned on glass, and glass lower section is provided with illuminator, the loophole at Alignment model clamper center；
The dynamic capture system and microscope amplification system are installed together, after high-speed camera is connected to microscope,
And image collection processing system is transferred data to, it is controlled by Zoom control panel focusing.
Further, the pneumatic control component includes pneumatic operated valve, magnetic valve, air compressor machine, model China treasured CV310 types.
Further, it is enclosed with the electric monocrystalline connected by heating tape on the oil storage intermediate receptacle and water storage intermediate receptacle
Silicon chip, constitutes heating system, and heating tape is provided with switch, and the temperature of heating system can be by switch-mode regulation.
Further, the voltage-regulating system uses constant speed displacement, coordinates dynamic capture system, by the way of constant pressure displacement
In pressure range value for 0.001-0.8MPa carries out pressure regulation.
Further, the change of the data acquisition and analysis system and accessory system to pressure is monitored and controls, and adopts
Data acquisition and issuance operation is carried out to it with computer.
Further, the arrival end of the microcosmic clip-model has two joints, and the port of export connects a joint, convenient to turn
Beam body is circulated before model is entered to fluid, it is ensured that fluid can faster into the interstitial space of model.
Further, the illuminator uses transmitted light, gooseneck type bi-directional light guide and the LED of cold light source 1500LCD
Light source.
After the completion of microcosmic visualization etching modelling, it is put into special model clamper, system is amplified using microscope
System, dynamic capture system, high speed video system, illuminator, stage system and image collection processing system be combined with each other
Flow performance of the fluid in porous media can just be observed.
It is of the present utility model to be beneficial in that：
The present invention reduces intermediate receptacle quantity by the existing displacement simulation system of simplification, is controlled by controller pneumatic
Control assembly, it is to avoid the complicated property of six-way valve operation, operates more simple, saves manpower and time；Because six-way valve falls
Change switch and there is artificial time interval, the fluid that can exist into rock core is back to six-way valve in the case where pressure has been injected, and produces
Raw experimental error；And pneumatic control component control is used, in moment reversal switch, it is possible to reduce the influence of backflow, test more smart
It is accurate；Meanwhile, by controller pneumatic control component is controlled to control the switch of the poly- intermediate receptacle of profit, can more accurately control
Injection rate processed, reaches the purpose of automatic conversion；Intermediate receptacle of the invention, is equipped with heating tape, the effect with heating and thermal insulation,
The fabulous simulated formation temperature of energy, realizes heat insulation effect, further improves the accuracy of test.
Brief description of the drawings
Fig. 1 is experimental procedure flow chart；
Fig. 2 is the picture of interception in experimental result and correlated process；
Fig. 3 is the preceding observation effect of true core Visualization Model transformation before LED illumination System transformation；
Fig. 4 is observation effect after the preceding true core Visualization Model transformation of LED illumination System transformation；
Fig. 5 is intermediate receptacle profile；
Fig. 6 is piston inner structure schematic diagram.
In figure：1st, water injecting pump；2nd, pneumatic control component；21st, jettron；3rd, polymer intermediate receptacle；4th, in the middle of oil storage
Container；5th, water storage intermediate receptacle；6th, monocrystalline silicon piece；7th, graduated cylinder；8th, pressure sensor；9th, stage system；10th, clamper mould
Type；11st, microscope amplification system；12nd, computer.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and specific implementation
The utility model is described in detail.
The utility model mainly includes high-resolution observation and acquisition system, drive system；
High-resolution is observed and acquisition system includes microscope amplification system 11, dynamic capture system, illuminator, objective table
System 9 and image collection processing system：
(1) microscope amplification system
Microscope amplification system 11 includes microscope and Zoom control panel., it is necessary to should in experimental observation gatherer process
The feature of minute fluid is observed with microscopical amplification acquisition function, the utility model uses 230 times of microscope, then
The camera lens for adding 100 times is observed, and increased field range, and working range becomes big, and two kinds of camera lenses can make the best use of the advantages mutually
Benefit is short, each plays a role.
(2) dynamic capture system
General camera system 1s could shoot a dynamic picture, and the hasty breaching for so resulting in fluid is difficult to be caught
Catch, so that, the utility model adds level height shooting machine and the behavioral characteristics of microfluid is caught, and capture rate can reach
1630 frames/second.
(3) illuminator
Illuminator includes cold light source, colour temperature colour filter, halogen bulb, single branch optical fiber, transmitted light annex etc..The utility model
Illuminator using the transmitted light of cold light source 1500LCD, gooseneck type bi-directional light guide and LED light source, reflected light and transmitted light
Mutually coordinated cooperation, can clearly observe the pore throat character and the flow performance of profit of the rock in model after improvement, change
Enter effect as shown in Figure 3.
(4) stage system 9
Stage system 9 includes hand operated focalizing mechanism, large-scale base etc., and LED lamp source can be lifted with objective table,
Light source is adjusted simultaneously, the demand of different experiments can be met.
(5) image collection processing system
In dynamic capture-process, camera acquisition to picture and picture transmission in the software of computer 12, by transmission
Animation, can intuitively observe the process fluid flow of oily expelling water, water drive oil, polymer flooding and other chemical floodings, and residual
A series of micro-flow characteristics such as excess oil distribution situation, the startup of residual oil；Difference can be analyzed by analysis software simultaneously
The gray value of form and aspect, calculates different oil-water ratio distributions.
Drive system includes vacuumizing saturation system, voltage-regulating system, liquid-storage system and data acquisition and analysis system.Make
Microcosmic visualization etching model can be fabricated to reusable microcosmic Visualization Model using clamper model 10, while can guarantee that
The enabling fluid flow under certain displacement pressure, coordinates image capture system also to capture the flowing details of fluid.
(1) saturation system is vacuumized
With constantly carrying out for saturated oils, many bubbles, gas block phenomenon can be produced to hinder profit during saturated oils
Into can not only cause the pressure of entrance increases, and influences the actual flow process of fluid.So before water filling or oiling
Increased and vacuumize saturation system.Oil storage intermediate receptacle 4 or water storage intermediate receptacle 3, its internal cross section figure is as shown in figure 5, work as P1>
During P2, the water meeting extrusion piston E in A chambers, and then the driving of fluid in B chambers is promoted, current piston E is generally entity, P1, P2 pressure
Power difference is larger and directly acts on piston E, easily causes the fluctuation of piston, causes displacement pressure to be unable to constant pressure displacement, this reality
Novel improved piston inner structure is used, as shown in fig. 6, by script solid piston internal modifications into upper and lower two cavitys, and piston
Top, bottom are respectively provided with a hole, and when intermediate receptacle works, fluid enters in cavity D via small hole at bottom part first, now P1>
P1 ', and whole piston E drives up the fluid in B, the fluid in B is squeezed in flowing into cavity C via top aperture, this
When cavity C in pressure be P2 ', P1 ' promote in the middle of valve piston F drive up, final P1 '>P2 ', now P1 ', P2 ' make jointly
For valve piston E, because pressure difference of the pressure difference of P1 ', P2 ' less than P1, P2, the effect that now piston is under pressure is smaller, energy
Enough slow down fluctuation, final basic holding constant pressure drives.
(2) heating system
Water storage intermediate receptacle 5, oil storage intermediate receptacle 4, polymer intermediate receptacle 3 are enclosed with what is connected by heating tape respectively
Electric monocrystalline silicon piece, constitutes heating system, controls to be heated and be incubated by the switch on heating tape, the fabulous simulated formation of energy
Temperature, realizes heat insulation effect, further improves the accuracy of test.
(3) voltage-regulating system
Using constant speed displacement, the fluid in model occurs the phenomenons such as breakthrough, jump, in order to coordinate dynamic capture system,
By the way of constant pressure displacement, and by constantly experiment, the pressure range value for finding a stabilization is the utility model
0.001—0.8MPa.On this pressure range, can not only ensure flow of fluid, while ensureing fluid in porous media
Flow regime can be collected.
(4) liquid-storage system
Liquid-storage system is not only the collection including model outflow end liquid, but including amount of liquid in whole displacement flow
Control.Because microcosmic displacement process is slower, the pore volume of microcosmic visualization etching model is smaller, so above
The residual liquid of the hole of pipeline and very little can all influence subsequent liquid distribution dynamic feature and final calculating, so
Oil, water, other chemical flooding liquid are all attached by the pipeline of determination diameter, because Visualization Model is to coordinate clamper model
10 use, to avoid the liquid in the front end gap of clamper model 10 from influenceing follow-up displacement, so to clamper model before displacement
10 arrival ends inject the circulation of liquid.
(5) data acquisition and analysis system and accessory system
In displacement process, the change using data collecting system to pressure is monitored and controls.In displacement system
Maximum accessory system is the improvement of microcosmic clip-model, and original microcosmic Visualization Model is needed by two pieces of glass sinterings
Form, but sintering difficulty it is high, success rate is low, and sintering after model figure be likely to occur rough phenomenon, so
To this, we assemble clamper model 10, clamper model 10 can not only enable two pieces of slides only be combined together shape
Into microcosmic runner, and sealing is fine.The arrival end of clamper model 10 has two joints, and the port of export connects a joint, side
Just metaideophone fluid is circulated before model is entered to fluid, it is ensured that fluid can faster into the interstitial space of model.
After the completion of microcosmic visualization etching modelling, it is put into special clamper model 10, is amplified using microscope
System 11, dynamic capture system, high speed video system, illuminator, stage system 9 and image collection processing system it is mutual
With reference to can just observe flow performance of the fluid in porous media.
A kind of application method of microcosmic visualization displacement simulation system, its specific experiment step is as follows：
1. crude oil under normal temperature is vacuumized, is removed bubble therein；
2. solution is prepared；
3. model is installed：Microcosmic visualization is etched into model to be placed in model clamper 10, gas testing after installation sees that its is close
Feng Xingyu is connective；If air tight and port of export air-flow outflow continuous-stable proceeds by next step experiment；
4. flow is connected, water injecting pump 1 is connected with pneumatic control component 2, by water storage intermediate receptacle 5, oil storage intermediate receptacle
4th, the outer wrap monocrystalline silicon piece 6 of polymer intermediate receptacle 3, monocrystalline silicon piece 6 is connected with, and will hold in the middle of water storage intermediate receptacle 5, oil storage
Device 4, the outlet line of polymer intermediate receptacle 3 are connected after converging with model clamper 10, and pressure sensor 8 is connected on into model clamping
The pressure difference of the two ends of device 10, the arrival end of measurement model clamper 10 and the port of export；
5. computer 12 and related software interface are opened, if good related video recording parameter；Pneumatic control is operated by jettron 21
Component processed 2 controls the working condition of water storage intermediate receptacle 5, oil storage intermediate receptacle 4, polymer intermediate receptacle 3；
6. microcosmic visualization is etched into model to vacuumize, then saturation water, the color of water is purple or blueness, is set full
And water pressure；
7. saturated oils, constant pressure saturated oils, the color of oil is red, and oily expelling water in model to oil is completely filled with；
8. water drive oil, with constant pressure displacement oil, the image of experimentation is enrolled with computer and video camera, calculates harvesting
Rate；
9. polymer solution or other fluid constant pressures inject the displacement of reservoir oil, the residual oil situation after observing oil-driving, and enroll drive
Dynamic image during replacing；
10. image is analyzed, the recovery ratio in different displacement stages is calculated；The microcosmic visualization etching model of cleaning, terminates experiment.
Fig. 2,3,4 are the picture of experimental result and correlated process, are respectively amplified to 10 μm, 100 μm, 500 μm of figure,
By the way that after the trial-production of pumped vacuum systems, crude oil saturation degree is very high；After changing a social system processing, high-resolution observation and acquisition system can be clear
The flowing for capturing fluid of Chu, the fluid identification of shades of colour is very high, and image capturing system can be facilitated to be known well
Not, the multiple of amplification can see the change of pore throat details, meet requirement of experiment, can be clear very well by the light-source system after improvement
See pore throat character relation.
The above is only preferred embodiment of the present utility model, it is noted that the utility model is not limited to
Mode is stated, on the premise of the utility model principle is not departed from, moreover it is possible to further improve, it is new that these improvement also should be regarded as this practicality
The protection domain of type.
Claims (7)
1. a kind of microcosmic visualization displacement simulation system, including high-resolution is observed and acquisition system, drive system；
Characterized in that, the high-resolution observation and acquisition system include microscope amplification system, dynamic capture system, illumination system
System, stage system and image collection processing system；The microscope amplification system includes microscope and Zoom control panel；Institute
It is a high-speed camera to state dynamic capture system；The illuminator includes cold light source, colour temperature colour filter, halogen bulb, single branch
Optical fiber, transmitted light annex；The stage system includes hand operated focalizing mechanism, large-scale base, LED lamp source, and the LED lamp source can
Lifted with objective table, while being adjusted to light source；
The drive system include vacuumizing saturation system, voltage-regulating system, data acquisition and analysis system, water injecting pump, in the middle of oil storage
Container, water storage intermediate receptacle, polymer intermediate receptacle；The saturation system that vacuumizes is provided with vavuum pump and pipeline；
The water injecting pump is connected through and held in the middle of pneumatic control component connection oil storage intermediate receptacle, water storage intermediate receptacle and polymer
Device, oil storage intermediate receptacle, water storage intermediate receptacle and the polymer intermediate receptacle port of export are equipped with check valve, by being managed after check valve
Road brings together and is connected to the arrival end of model clamper, the port of export connection graduated cylinder of model clamper；
The model clamper is positioned in stage system, and stage system upper surface is clear glass, and model clamper is put
It is placed on glass, glass lower section is provided with illuminator, the loophole at Alignment model clamper center；
The dynamic capture system and microscope amplification system are installed together, after high-speed camera is connected to microscope, and will
Data transfer is controlled to image collection processing system by Zoom control panel focusing.
2. one kind according to claim 1 is microcosmic visualizes displacement simulation system, it is characterised in that the pneumatic control group
Part includes pneumatic operated valve, magnetic valve, air compressor machine, jettron, model China treasured CV310 types.
3. one kind according to claim 1 is microcosmic visualizes displacement simulation system, it is characterised in that hold in the middle of the oil storage
The monocrystalline silicon piece connected by heating tape is enclosed with device, water storage intermediate receptacle and polymer intermediate receptacle, heating system is constituted,
Heating tape is provided with switch, and the temperature of heating system can be by switch-mode regulation.
4. one kind according to claim 1 is microcosmic visualizes displacement simulation system, it is characterised in that the voltage-regulating system is adopted
Use constant speed displacement, coordinate dynamic capture system, use the mode of constant pressure displacement in pressure range value for 0.001-0.8MPa is carried out
Pressure regulation.
5. one kind according to claim 1 is microcosmic visualizes displacement simulation system, it is characterised in that the data acquisition point
The change of analysis system and accessory system to pressure is monitored and controls, and is operated on it using computer.
6. one kind according to claim 1 is microcosmic visualizes displacement simulation system, it is characterised in that the microcosmic clamping mould
The arrival end of type has two joints, and the port of export connects a joint, facilitates metaideophone fluid to be followed to fluid before model is entered
Ring, it is ensured that fluid can faster into the interstitial space of model.
7. one kind according to claim 1 is microcosmic visualizes displacement simulation system, it is characterised in that the illuminator is adopted
With the transmitted light of cold light source 1500LCD, gooseneck type bi-directional light guide and LED light source.
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| CN201621178261.3U CN206205866U (en) | 2016-11-03 | 2016-11-03 | A kind of microcosmic visualization displacement simulation system |
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| CN201621178261.3U CN206205866U (en) | 2016-11-03 | 2016-11-03 | A kind of microcosmic visualization displacement simulation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285583A (en) * | 2016-11-03 | 2017-01-04 | 西南石油大学 | A kind of microcosmic visualization displacement simulation system and using method thereof |
| CN108181209A (en) * | 2018-01-08 | 2018-06-19 | 中国海洋石油集团有限公司 | A kind of heavy crude reservoir fluid starting pressure gradient measuring device |
| CN109113695A (en) * | 2018-10-08 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of Profile Control in Injection Well visual experimental apparatus and its experimental method |
-
2016
- 2016-11-03 CN CN201621178261.3U patent/CN206205866U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285583A (en) * | 2016-11-03 | 2017-01-04 | 西南石油大学 | A kind of microcosmic visualization displacement simulation system and using method thereof |
| CN106285583B (en) * | 2016-11-03 | 2019-09-13 | 西南石油大学 | The microcosmic visualization displacement simulation system of one kind and its application method |
| CN108181209A (en) * | 2018-01-08 | 2018-06-19 | 中国海洋石油集团有限公司 | A kind of heavy crude reservoir fluid starting pressure gradient measuring device |
| CN109113695A (en) * | 2018-10-08 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of Profile Control in Injection Well visual experimental apparatus and its experimental method |
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Granted publication date: 20170531 Effective date of abandoning: 20190913 |