CN109209362A - Simulate the experimental system, micromodel and its fixed device of reservoir condition - Google Patents
Simulate the experimental system, micromodel and its fixed device of reservoir condition Download PDFInfo
- Publication number
- CN109209362A CN109209362A CN201811046304.6A CN201811046304A CN109209362A CN 109209362 A CN109209362 A CN 109209362A CN 201811046304 A CN201811046304 A CN 201811046304A CN 109209362 A CN109209362 A CN 109209362A
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- China
- Prior art keywords
- micromodel
- agent
- drive
- drain
- fixed device
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
Abstract
The present invention relates to a kind of experimental system for simulating reservoir condition, micromodel and its fixed devices, the fixed device of micromodel includes fixing seat and micromodel arranged on the fixing seat, the micromodel is equipped with the drive agent entrance flowed into for driving agent, the drain for the raffinate outflow for driving agent inlet is additionally provided in the micromodel, the drive agent entrance is connected to drain.The drain being connected to drive agent entrance for raffinate outflow is set in micromodel, it can be discharged by drain by fluid extra in agent entrance and diversion trench is driven after the completion of previous step, make the drive agent in later step from pollution, the precision for improving the drive agent injection rate of experimental program, to improve the accuracy of displacement of reservoir oil image analysis；In addition, emptying circuit can also play the role of balancing pressure difference.
Description
Technical field
The present invention relates to a kind of experimental system for simulating reservoir condition, micromodel and its fixed devices.
Background technique
With micromodel microcosmic oil drive experimental method, the boundary of oil, water, the chemical agent seepage flow in pore network can be observed
The mechanism of face phenomenon and interaction thus allows for microscopic remaining oil signature analysis and tertiary oil recovery Displacement Efficiency.
Since the resistance to pressure of micromodel itself is poor, in-place oil is difficult to flow at normal temperature mostly, and the past usually exists
Microcosmic oil drive experiment is carried out using simulation oil under normal temperature and pressure, and the result of study of the oil displacement experiment of simulation oil is lacked under room temperature
Oil reservoir is representative；In addition, needing manually to dismantle device in oil displacement experiment, excessive crude oil, extra chemical agent and note are excluded
Enter the raffinates such as water, carry out next step experiment after assembling again, this experiment method is not only unable to continuous experiment, reduces experiment effect
Rate, but also will affect the accuracy of experimental result.It can be carried out at high temperature under high pressure after micromodel is improved at present microcosmic
Oil displacement experiment, as Authorization Notice No. is CN104265255B, authorized announcement date is one disclosed in the Chinese patent of 2017.01.25
The microcosmic visualization displacement simulation experimental system of kind viscous crude two dimension and its application method, the experimental system for simulating include clamper and put
The micromodel in clamper is set, the structure for being used to fix micromodel in clamper constitutes fixing seat, micromodel
It drives agent entrance to connect with water, oil and displacing medium, is equipped with diversion trench between the vadose region and drive agent entrance of micromodel.Due to
In micromodel no matter entrance or export all only one, cannot empty driven in micromodel it is dead in agent entrance and diversion trench
Volume and raffinate cannot really simulate progress chemical flooding and water drive under the conditions of oil reservoir therefore, it is difficult to control the injection rate for driving agent
The alternately displacement of reservoir oil.
Summary of the invention
The purpose of the present invention is to provide a kind of experimental systems for simulating reservoir condition, to solve simulation in the prior art
Experimental system is difficult to control the injection rate for driving agent, cannot really simulate and carry out chemical flooding under the conditions of oil reservoir and replace the displacement of reservoir oil with water drive
The problem of；The object of the invention is also to provide a kind of fixed dresses of the micromodel of experimental system for the simulation reservoir condition
It sets and micromodel.
To achieve the above object, the technical solution of the fixed device of micromodel of the present invention is: the fixed device packet of micromodel
Fixing seat and micromodel arranged on the fixing seat are included, the micromodel is equipped with the drive agent entrance flowed into for driving agent, institute
The drain being additionally provided in micromodel for the raffinate outflow for driving agent inlet is stated, the drive agent entrance is connected to drain.
The oil inlet of the micromodel, which leaves, drives the setting of agent entrance.Oil inlet makes without using agent entrance is driven from oil inlet
The crude oil of entrance will not pollute drive agent.
The oil inlet and drain of the micromodel are the same opening.In the case where guaranteeing the accurate situation of experimental result,
Reduce the opening in micromodel.
It the vadose region of the micromodel and drives and is equipped with diversion trench between agent entrance, be used on the diversion trench and drain
The position of connection is far from drive agent entrance and close to vadose region.Reduce influence of the raffinate in diversion trench to experimental result.
The drive agent inlet be connected with drive agent clamping head, it is described drive agent clamping head be equipped with for water drive water drive mouth and
Chemical flooding mouth for chemical flooding.Two entrances are set on one clamping head, ensure that experiment oil and drive agent have respective lead to
Road, and close to real working condition.
At the drain be equipped with emptying clamping head, the emptying clamping head include clamping head ontology and compression supporting element,
Connection clamping head ontology is equipped between the clamping head ontology and compression supporting element and compresses the pipeline of supporting element.Guarantee clamping head
It can be according to the Adjusting Shape position of model with supporting element is compressed.
The pipeline is spiral shape.Bad arrangement when avoiding pipeline longer.
The fixed device of the micromodel further includes the autoclave for accommodating fixing seat.
It is equipped in the autoclave for irradiating micromodel so that microimaging equipment can monitor the light of micromodel
Source.Light source setting guarantees that the effect of shooting is preferable in autoclave.
The technical solution of micromodel of the present invention is: micromodel, and the micromodel is equipped with the drive flowed into for driving agent
The drain of agent entrance and the discharge of the raffinate for driving agent inlet, the drive agent entrance are connected to drain.
The oil inlet of the micromodel, which leaves, drives the setting of agent entrance.
The oil inlet and drain of the micromodel are the same opening.
It the vadose region of the micromodel and drives and is equipped with diversion trench between agent entrance, be used on the diversion trench and drain
The position of connection is far from drive agent entrance and close to vadose region.
The technical solution that the present invention simulates the experimental system of reservoir condition is: it includes micro- for simulating the experimental system of reservoir condition
The pipeline seeing model fixing device and connect with micromodel fixed device, the fixed device of the micromodel include fixing seat and
Micromodel arranged on the fixing seat, the micromodel are equipped with the drive agent entrance flowed into for driving agent, the micromodel
On be additionally provided with drain for the raffinate outflow for driving agent inlet, the drive agent entrance is connected to drain.
The oil inlet of the micromodel, which leaves, drives the setting of agent entrance.
The oil inlet and drain of the micromodel are the same opening.
It the vadose region of the micromodel and drives and is equipped with diversion trench between agent entrance, be used on the diversion trench and drain
The position of connection is far from drive agent entrance and close to vadose region.
The drive agent inlet be connected with drive agent clamping head, it is described drive agent clamping head be equipped with for water drive water drive mouth and
For the chemical flooding mouth of chemical flooding, the water drive mouth is connected with the water drive pipeline for carrying out water drive to micromodel, describedization
Drive mouth is learned to be connected with for the chemical flooding pipeline to micromodel progress chemical flooding.
The quantity of the chemical flooding pipeline is at least two.
At the drain be equipped with emptying clamping head, the emptying clamping head include clamping head ontology and compression supporting element,
Connection clamping head ontology is equipped between the clamping head ontology and compression supporting element and compresses the pipeline of supporting element, the compression
Support member is connected with blowdown piping, and the oil circuit for injecting crude oil is connected on the blowdown piping.
The pipeline is spiral shape.
The fixed device of the micromodel further includes the autoclave for accommodating fixing seat.
It is equipped in the autoclave for irradiating micromodel so that microimaging equipment can monitor the light of micromodel
Source.
The beneficial effects of the present invention are: the emptying being connected to drive agent entrance for raffinate outflow is arranged in micromodel
Mouthful, it can be discharged by drain by fluid extra in agent entrance and diversion trench is driven after the completion of previous step, make latter step
Drive agent in rapid improves the precision of the drive agent injection rate of experimental program, to improve displacement of reservoir oil image analysis from pollution
Accuracy；In addition, emptying circuit can also play the role of balancing pressure difference.
Detailed description of the invention
Fig. 1 is the schematic diagram of the specific embodiment 1 of the experimental system of present invention simulation reservoir condition；
Fig. 2 is the schematic diagram of the fixed device of micromodel of the specific embodiment 1 of the experimental system of present invention simulation reservoir condition；
Fig. 3 is the schematic diagram of micromodel in Fig. 2；
Fig. 4 is the structural schematic diagram for driving agent clamping head in Fig. 2 at A；
Fig. 5 is the structural schematic diagram for being vented clamping head in Fig. 2 at B；
Fig. 6 is the structural schematic diagram of production end clamping head at C in Fig. 2.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of the experimental system of simulation reservoir condition of the invention simulates oil reservoir item as shown in Figures 1 to 6
The experimental system of part includes insulating box 22, and crude oil container 1501 is equipped in insulating box 22 and drives agent container, 1501 He of crude oil container
It drives agent container and is respectively connected with displacement pump 18, the tube outlet of the tube outlet of crude oil container 1501 and drive agent container is and autoclave
Micromodel 4 in 2 is connected to.As shown in Figure 1, driving agent container includes water container 1401 and chemical receptacle, in the present embodiment, change
The type for learning agent container is three kinds, including the first chemical receptacle 1101, the second chemical receptacle 1201, third chemical receptacle
1301, in other embodiments, it can need to increase or decrease the number of species of chemical receptacle according to experiment.Water container 1401
It is equipped with the water valve of control water drive between micromodel 4, the change of control chemical flooding is equipped between chemical receptacle and micromodel 4
Agent valve is learned, the oil valve that control crude oil enters is equipped between crude oil container 1501 and micromodel 4；In the pipeline of crude oil container 1501
It is equipped with emptying circuit 9, extra fluid can be discharged by emptying circuit 9 after the completion of previous step, make later step
In drive agent from pollution, improve experimental program drive agent injection rate precision, to improve the standard of displacement of reservoir oil image analysis
True property.
In the present embodiment, opens displacement pump 18 and first empty water route, then empty oil circuit, micromodel is installed in autoclave 2
4, micromodel 4 is placed in autoclave 2, and the distilled water being filled with by distilled water container 23 is full of around micromodel 4, according to
Experiment needs to be arranged insulating box 22,2 temperature of autoclave, heats to it, tracks pressure using servomechanism and pressure sensor 19 and becomes
Change, micromodel 4 is made to be in the same time control to simulate the pressure environment of oil reservoir and solve the problems, such as the pressure-resistant of model in certain confining pressure
System tracking pump 17 pressurizes to autoclave 2 and back-pressure valve 5, adjusts pressure change at any time.It is equipped in the top of autoclave 2 for observing
The stereomicroscope 20 of micromodel 4, stereomicroscope 20 are connected with displacement image analyzer 21, pass through 2 upper end of autoclave
Seepage flow characteristics in the acquisition in real time of glass vision panel 1 and monitoring 4 oil displacement experiment of micromodel.There is heating and heat-insulating device in autoclave 2
8, can carry out simulated formation temperature to autoclave heating, outside insulating box and autoclave can not heating and thermal insulation the installation of part pipeline plus
Hot attemperator.
In microcosmic oil drive experiment under the conditions of pervious high temperature and pressure oil reservoir, the arrival end of micromodel only one enter
Mouthful, only one outlet of outlet end, the route of connectivity port is simpler, due to that cannot empty dead volume in micromodel and residual
Liquid, therefore, it is difficult to accurately control the different injection rates for driving agent.As shown in Figures 2 and 3, by the microcosmic of experimental system in the present embodiment
The arrival end of model 4, which is changed to, drives agent entrance 42 and drain 43 two openings, drives the connection of agent entrance 42 there are many agent pipeline is driven, respectively
It drives agent pipeline to be controlled by respective valve, avoidable fluid is interfered with each other and polluted, and drain is connected with emptying circuit, to arrange
Empty raffinate, and play the role of balancing pressure difference, it is controlled by respective valve, wherein saturation oil-in and drain 43 share one
Opening makes drain 43 while having injection saturated oils and emptying effect；In the present embodiment, drive agent entrance 42 and vadose region 41 it
Between be equipped with diversion trench 45, what drain 43 was connected to diversion trench 45 is located proximate to vadose region 41, avoids drive agent entrance and water conservancy diversion
Influence of the raffinate to experiment in slot.It is micromodel vadose region 41 between the drive agent entrance 42 and outlet 44 of micromodel 4.Such as
Described in Fig. 2, fixing seat 3 is equipped in autoclave 2, micromodel 4 is installed in fixing seat 3 by clamping head, and fixing seat 3 is microcosmic
The lower section of model 4 is equipped with light source 7 and for the heating and heat-insulating device 8 to 2 heating and thermal insulation of autoclave, and the upper end of autoclave 2 is set
Have transparent windowpane 1 so that Stereo microscope can under the irradiation of light source 7 seepage flow characteristics in real-time monitoring micromodel 4.
The arrival end of autoclave 2 is equipped with a-quadrant and B area, is equipped at a-quadrant and drives agent clamping head, drives agent clamping head outside autoclave 2
It is communicated with the first chemical flooding pipeline 11, the second chemical flooding pipeline 12, third chemical flooding pipeline 13 and water drive pipeline 14；B area
Place is equipped with emptying clamping head, and emptying clamping head is communicated with oil circuit 15 and emptying road 9 outside autoclave 2.The outlet end of autoclave 2
Equipped with the region C, it is equipped with production end clamping head at the region C, production end clamping head is communicated with export pipeline 10, sets on export pipeline 10
There is back-pressure valve 5, the manual pump 6 for manually adjusting back-pressure valve 5 is connected on back-pressure valve 5；The outside of fixing seat 3 be also communicated with pressure with
Track pipeline 16, the other end of pressure tracking pipeline be connected with tracking pump 17, tracking pump can to autoclave and back-pressure valve pressurization with
Pressure change is adjusted in real time, guarantees that the inside and outside compression of micromodel is consistent.
In the present embodiment, the drive agent clamping head of a-quadrant is as shown in figure 4, driving agent clamping head includes the first bayonet of band in Fig. 2
105 the first collet 102 and pressure cap 110,102 upper bed body of the first collet have the first clamping screw of the first clamping pad of band 103
101, lower bed body has a first through hole 104 with the level, drives agent clamping head and is equipped with two-way, all the way with internal first through hole 104 of leaving the bed
It communicates, the through-hole through its first bayonet 105 and fixing seat 3 connects with external water drive pipeline 14, and another way is logical in lower bed body first
On the outside of the bed body in hole 104, it is connected to the through-hole of fixing seat 3 by pressure cap 110 and pressure ring 111 through the first pipeline 109, and with external first
Chemical flooding pipeline 11 connects, and can also set several chemical flooding pipelines in the through hole of autoclave pedestal certainly more.First collet 102
The first bayonet 105 at be equipped with the first sealing ring 106, pipeline between water drive pipeline 14 and the first bayonet 105 is equipped with water drive
Valve 107, the pipeline between the first chemical flooding pipeline 11 and pressure ring 111 are equipped with chemical flooding valve 108.When installation, microcosmic mould
The seepage port of type 4 is downward, and micromodel 4 drives agent entrance 42 to the first through hole 104 of the lower bed body of the first collet 102, then twists
Tight first clamping screw 101.Drive agent clamping head cooperation emptying clamping head accurately controls the various injection rates for driving agent, is discharged more
It is chemical to oil reservoir is simulated can to efficiently accomplish researcher for remaining fluid and flushing channel, raising displacement of reservoir oil image analysis accuracy
Drive the design of various experimental programs.
In the present embodiment, the emptying clamping head of B area is as shown in figure 5, emptying clamping head includes the second collet 202 in Fig. 2
With the compression supporting element 206 of the second bayonet of band 207, the upper bed body of the second collet 202 has the second locking of the with pressure second tight pad 203
Bolt 201, lower bed body have the second through-hole 204 with the level to connect through bed body internal channel with the second pipeline 205 on the outside of bed body, and second
Pipeline 205, which is connected to, to be compressed on supporting element 206, and second by compressing 206 built-in channel of supporting element and through compressing supporting element 206 blocks
Mouth 207 and the through-hole of fixing seat 3 connect with external oil way 15 and emptying road 9, and oil circuit 15 is equipped with oil valve 209, are vented on road 9 and set
There is blow valve 210；The second bayonet 207 for compressing supporting element 206 is equipped with the second sealing ring 208, to guarantee sealing performance.Installation
When, 4 seepage port of micromodel is downward, and the drain 43 of micromodel 4 is directed at the second through-hole 24, then tightens the second clamping screw
201, it is connected between the second collet and compression supporting element by coiled and flexible second pipeline, in order to micromodel
Micromodel is adjusted in place when installation, and the second bayonet for compressing supporting element injects in autoclave base plate through holes, this is logical
Kong Jiyu oil circuit is connected, and is connected with emptying road, and production during water drive and a variety of chemical floodings can be emptied by emptying road
Raw various raffinates, balance displacement pressure, cleaning inlet and channel, by the control of respective valve be carry out oil inlet operate or
Empty raffinate operation.
In the present embodiment, the production end clamping head in the region C is as shown in fig. 6, production end clamping head includes third collet in Fig. 2
302, the upper bed body of third collet 302 has the third clamping screw 301 with third clamping pad 303, and lower bed body has with the level
Three through-holes 304 are communicated with internal channel of leaving the bed, the through-hole on third bayonet 305 and fixing seat 3 through third collet 302 with it is external
Export pipeline 10 connects, and third bayonet 305 is equipped with third sealing ring 306, to guarantee sealing performance.When installation, micromodel 4
Seepage port it is downward, the outlet 44 of micromodel 4 is directed at the third through-hole 304 of the lower bed body of third collet 302, then tightens third
Clamping screw 301.
The experimental system of simulation reservoir condition of the invention is in experiment, and 1) oil valve and production end valve are opened, first micro-
It sees in model 4 and crude oil is injected by drain 43 by oil circuit 15, then carry out water drive, open water valve at this time, close oil valve, injection
Water enters first through hole 104 by the first bayonet 105 on drive agent clamping head, then enters micromodel 4 by first through hole 104
Until water drive terminates；2) the first chemical flooding is then carried out, water drive valve and production end valve are closed, opens the first chemical flooding pipe
Road valve and blow valve, the first chemical agent enter first through hole 104 by the through-hole of fixing seat 3 and the first pipeline 109, pass through glass
Window 1 sees that the first chemical agent drives agent entrance 42 in micromodel 4 and comes out, through diversion trench 45 from drain 43 by extra water and
After air is displaced, closes blow valve and open production end valve, the first chemical agent is made to enter micromodel, after reaching injection rate,
Close the first chemical agent valve.When carrying out other chemical floodings or subsequent waterflooding, operating procedure is such as step 2.Pass through the mould
The experimental system of quasi- reservoir condition can make water and chemical agent, from pollution, injection accurately be controlled by experimental program in experiment
Extra fluid is discharged in amount, improves displacement of reservoir oil image analysis accuracy.
Above-mentioned specific embodiment 1 is that the experimental system of present invention simulation reservoir condition is preferred forms, in other realities
It applies in example, can according to need and corresponding structure is adjusted or is simplified.
The present invention simulates the specific embodiment 2 of the experimental system of reservoir condition, simulates the experimental system of reservoir condition, including
The fixed device of micromodel and the pipeline connecting with the fixed device of micromodel, the fixed device of the micromodel includes fixing seat
With micromodel arranged on the fixing seat, the micromodel is equipped with the drive agent entrance flowed into for driving agent, the microcosmic mould
The drain for the raffinate outflow for driving agent inlet is additionally provided in type, the drive agent entrance is connected to drain.Driving agent entrance can
Agent is driven to be connected to required for various experiments, also can according to need the drive agent entrance that one or more is set；Drain
It can be set in the middle position for driving agent entrance and vadose region import, also can be set in vadose region close in micromodel
The position of import.
The present invention simulates the specific embodiment 3 of the experimental system of reservoir condition, as to the further excellent of specific embodiment 2
Change, in order to avoid crude oil and drive agent influence each other, in the present embodiment, the oil inlet of the micromodel leaves drive agent entrance and sets
It sets.In other embodiments, oil inlet and drive agent entrance may be the same opening.
The present invention simulates the specific embodiment 4 of the experimental system of reservoir condition, as to the further excellent of specific embodiment 3
Change, it is described in the present embodiment in order to reduce the opening in micromodel in crude oil and on the basis of drive agent and will not influence each other
The oil inlet and drain of micromodel are the same opening.In other embodiments, oil inlet and drain can also separate
Setting.
The present invention simulate reservoir condition experimental system specific embodiment 5, as to specific embodiment 2-4 any one
Advanced optimize, in order to reduce influence of the raffinate to experiment for driving agent entrance, in the present embodiment, the seepage flow of the micromodel
Diversion trench is equipped between area and drive agent entrance, the position for being used to be connected to drain on the diversion trench is far from drive agent entrance and leans on
Nearly vadose region.In other embodiments, the position that drain is connected to diversion trench also can be set in the middle position of diversion trench,
The present invention simulate reservoir condition experimental system specific embodiment 6, as to specific embodiment 2-4 any one into
One-step optimization, in order to make the experimental system do different types of experiment, in the present embodiment, the drive agent inlet is connected with drive agent
Clamping head, the agent clamping head that drives are equipped with the water drive mouth for being used for water drive and the chemical flooding mouth for chemical flooding, the water drive mouth
It is connected with the water drive pipeline for carrying out water drive to micromodel, the chemical flooding mouth is connected with for micromodel
Learn the chemical flooding pipeline driven.In other embodiments, water drive pipeline or chemical flooding pipeline can be only set on the clamping head.
The present invention simulates the specific embodiment 7 of the experimental system of reservoir condition, as to the further excellent of specific embodiment 6
Change, in order to observe influence of the different chemical flooding agent to micromodel, in the present embodiment, the quantity of the chemical flooding pipeline is at least
Two.In other embodiments, chemical flooding pipeline can be set one.
The present invention simulate reservoir condition experimental system specific embodiment 8, as to specific embodiment 2-4 any one
Advanced optimize, in order to make the experimental system do different types of experiment, in the present embodiment, emptying is equipped at the drain
Clamping head, the emptying clamping head include clamping head ontology and compress supporting element, the clamping head ontology and compress supporting element it
Between be equipped with connection clamping head ontology and compress the pipeline of supporting element, the compression supporting element is connected with blowdown piping, the emptying
The oil circuit for injecting crude oil is connected on pipeline.Oil circuit and blowdown piping are put together, blowdown piping only for crude oil into
Enter once, subsequent drive agent enters from drive agent entrance to flow out, keep away from blowdown piping using blowdown piping, only raffinate etc.
Exempt to influence other due to the more difficult removal of crude oil and drive agent.In other embodiments, oil circuit can also be arranged and is driving agent inlet.
The present invention simulates the specific embodiment 9 of the experimental system of reservoir condition, as to the further excellent of specific embodiment 8
Change, in order to avoid arrangement bad when pipeline is longer, in the present embodiment, the pipeline is spiral shape.In other embodiments, pipe
Line can be designed to linear.
The present invention simulates the specific embodiment 10 of the experimental system of reservoir condition, as any one to specific embodiment 2-4
A advanced optimizes, described in the present embodiment in order to enable the fixing seat of experimental system high temperature high voltage resistant in experiment
The fixed device of micromodel further includes the autoclave for accommodating fixing seat.In other embodiments, fixing seat is general heatproof
The fixing seat of pressure resistance does the microcosmic oil drive experiment under normal temperature and pressure.
The present invention simulates the specific embodiment 11 of the experimental system of reservoir condition, as to the further of specific embodiment 10
Optimization is equipped in the present embodiment, in the autoclave in order to reduce the use of light source bracket for irradiating micromodel so that aobvious
Micro- picture pick-up device can monitor the light source of micromodel.In other embodiments, under light source can be set outside autoclave
Side.
The specific embodiment of the fixed device of micromodel of the present invention, the fixed device of micromodel in the present embodiment with it is above-mentioned
Simulate the structure of the fixed device of micromodel any one of in the specific embodiment 1-11 of the experimental system of reservoir condition
Identical, it will not go into details.
The specific embodiment of micromodel of the present invention, the reality of micromodel and above-mentioned simulation reservoir condition in the present embodiment
The structure of any one of micromodel is identical in the specific embodiment 1-5 of check system, and it will not go into details.
Claims (10)
1. micromodel fixes device, including fixing seat and micromodel arranged on the fixing seat, set in the micromodel
There is the drive agent entrance flowed into for driving agent, it is characterised in that: the raffinate outflow for driving agent inlet is additionally provided in the micromodel
Drain, the drive agent entrance is connected to drain.
2. the fixed device of micromodel according to claim 1, it is characterised in that: the oil inlet of the micromodel leaves
Drive the setting of agent entrance.
3. the fixed device of micromodel according to claim 2, it is characterised in that: the oil inlet of the micromodel with put
It eats dishes without rice or wine as the same opening.
4. the fixed device of micromodel according to claim 1 to 3, it is characterised in that: the micromodel
Diversion trench is equipped between vadose region and drive agent entrance, the position for being used to be connected to drain on the diversion trench is far from drive agent entrance
And close to vadose region.
5. the fixed device of micromodel according to claim 1 to 3, it is characterised in that: the drive agent inlet
It is connected with and drives agent clamping head, the agent clamping head that drives is equipped with the water drive mouth for being used for water drive and the chemical flooding mouth for chemical flooding.
6. the fixed device of micromodel according to claim 1 to 3, it is characterised in that: set at the drain
There is an emptying clamping head, the emptying clamping head includes clamping head ontology and compresses supporting element, the clamping head ontology and compresses branch
Connection clamping head ontology is equipped between support member and compresses the pipeline of supporting element.
7. the fixed device of micromodel according to claim 6, it is characterised in that: the pipeline is spiral shape.
8. the fixed device of micromodel according to claim 1 to 3, it is characterised in that: the micromodel is solid
Determining device further includes the autoclave for accommodating fixing seat.
9. micromodel, it is characterised in that: the micromodel is equipped with for the drive agent entrance of drive agent inflow and for driving agent entrance
The drain of the raffinate discharge at place, the drive agent entrance are connected to drain.
10. simulating the experimental system of reservoir condition, it is connect including the fixed device of micromodel and with the fixed device of micromodel
Pipeline, it is characterised in that: the fixed device of the micromodel includes fixing seat and micromodel arranged on the fixing seat, described
Micromodel is equipped with the drive agent entrance flowed into for driving agent, and the raffinate outflow for driving agent inlet is additionally provided in the micromodel
Drain, the drive agent entrance is connected to drain.
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| CN201811046304.6A CN109209362B (en) | 2018-09-07 | 2018-09-07 | Experimental system for simulating oil reservoir conditions, microscopic model and fixing device of microscopic model |
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|---|---|---|---|
| CN201811046304.6A CN109209362B (en) | 2018-09-07 | 2018-09-07 | Experimental system for simulating oil reservoir conditions, microscopic model and fixing device of microscopic model |
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| CN109209362B CN109209362B (en) | 2022-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943189A (en) * | 2021-05-06 | 2021-06-11 | 海安县石油科研仪器有限公司 | High-sealing-performance water-flooding simulation system equipment for fractured reservoirs |
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