CN106285662A - Fractured reservoir physical model splits storage than quantitative control methodin and device - Google Patents
Fractured reservoir physical model splits storage than quantitative control methodin and device Download PDFInfo
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- CN106285662A CN106285662A CN201610786282.1A CN201610786282A CN106285662A CN 106285662 A CN106285662 A CN 106285662A CN 201610786282 A CN201610786282 A CN 201610786282A CN 106285662 A CN106285662 A CN 106285662A
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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
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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
- 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
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Abstract
The embodiment of the present invention provides a kind of fractured reservoir physical model to split storage than quantitative control methodin and device.Fractured reservoir physical model of the present invention splits storage and compares quantitative control methodin, compare by obtaining to be placed storage of splitting, and measured by the pore volume of the Fracture System of water flooding regime fracture type reservoir physical model, and then the oil mass volume to be placed of matrix system is determined according to the to be placed pore volume splitting the Fracture System that storage is compared and measurement obtains, oil mass volume to be placed according to matrix system uses the oil mass in limited vacuum-saturated mode fracture type reservoir physical model to carry out fixing quantity, fractured reservoir physical model after acquisition process, the storage of splitting of the fractured reservoir physical model after this process splits storage ratio than equal to be placed, thus the storage of splitting realizing fixing quantity fractured reservoir physical model is compared.
Description
Technical field
The present embodiments relate to the Physical Experiment technology in fissured porous medium seepage research, particularly relate to one and split
Seam property physical models of reservoir splits storage than quantitative control methodin and device.
Background technology
The reserves of fractured reservoir are made up of with matrix system two parts Fracture System, and wherein, the reserves of Fracture System account for
The ratio of the gross reserves of fractured reservoir is referred to as splitting storage ratio.During waterflooding extraction, water can be altered rapidly along crack into, crack
System quickly water logging.Matrix system then carries out profit exchange by imbibition effect and Fracture System under capillary force effect.Split
The recovery percent of reserves of seam system and matrix system has together decided on the recovery percent of reserves of fractured reservoir.Generally, matrix system
Recovery percent of reserves Fracture System to be far below, two great diversityes of system development effect make to split storage and are compared to Fractured oil
The development effectiveness hidden has conclusive impact.Therefore, in fractured reservoir seepage flow and exploitation PHYSICAL MODELING OF IN, it is necessary to tight
Lattice control critical eigenvalue physical models of reservoir split storage ratio so that it is with actual oil reservoir, there is similarity, such that it is able to be used for studying pre-
Survey actual effect of reservoir development, Optimal Development scheme.
But, in the manufacturing process of fractured reservoir physical model, the pore volume of matrix system and selected model
Material is correlated with, and the pore volume of Fracture System is limited to physical model method for building up and machining accuracy, its most difficult control, institute
With so that use this fractured reservoir physical model can not preferably predict the effect of reservoir development of reality, and the suitability is relatively
Difference.
Summary of the invention
The embodiment of the present invention provides a kind of fractured reservoir physical model to split storage ratio quantitative control methodin and device, to realize
The storage of splitting of fixing quantity fractured reservoir physical model is compared.
" limited vacuum-saturated mode " involved by the embodiment of the present invention refers specifically to limited evacuation and saturated mode,
Refer specifically to after limited evacuation processes, then saturated liquid, this liquid can be water can also be oil.
First aspect, the embodiment of the present invention provides a kind of fractured reservoir physical model to split storage ratio quantitative control methodin, bag
Include:
Obtain to be placed storage of splitting to compare；
Inside fractured reservoir physical model, water is filled by the vacuum point on the base of fractured reservoir physical model；
Injected to described fractured reservoir physical model by the vacuum point on the top surface of fractured reservoir physical model
Gas, and open the vacuum point on described base, water within fractured reservoir physical model described in described gas displacement, passes through
Vacuum point extraction on described base, until the vacuum point on described base stops water outlet, the volume of record output water, by described
The volume of output water is as the pore volume of the Fracture System of described fractured reservoir physical model；
Described fractured reservoir physics is determined than the pore volume with described Fracture System according to described to be placed storage of splitting
The oil mass volume to be placed of the matrix system of model；
Oil mass volume to be placed according to described matrix system uses and splits described in limited vacuum-saturated mode fixing quantity
Oil mass in seam property physical models of reservoir, the fractured reservoir physical model after acquisition process；
Wherein, described fractured reservoir physical model includes the vacuum point on multiple base and the vacuum on multiple top surface
Point, the storage of splitting of the fractured reservoir physical model after described process is compared than equal to described to be placed storage of splitting.
Second aspect, the embodiment of the present invention provides a kind of fractured reservoir physical model to split storage ratio quantitative control device, bag
Include:
Split storage ratio acquisition module, compare for obtaining to be placed storage of splitting；
Fracture System pore volume measurements module, for by the vacuum point on the base of fractured reservoir physical model to
Water is filled inside fractured reservoir physical model；Split to described by the vacuum point on the top surface of fractured reservoir physical model
Seam property physical models of reservoir injects gas, and opens the vacuum point on described base, fractured reservoir described in described gas displacement
Water within physical model, by the vacuum point extraction on described base, until the vacuum point on described base stops water outlet, note
The volume of record output water, using the volume of described output water as the pore-body of the Fracture System of described fractured reservoir physical model
Long-pending；
Matrix system reserves determine module, for according to the described to be placed pore-body splitting storage ratio and described Fracture System
The oil mass volume to be placed of the long-pending matrix system determining described fractured reservoir physical model；
Matrix system reserves control module, uses limited vacuum for the oil mass volume to be placed according to described matrix system
Oil mass in fractured reservoir physical model described in saturated mode fixing quantity, the fractured reservoir physics mould after acquisition process
Type；
Wherein, described fractured reservoir physical model includes the vacuum point on multiple base and the vacuum on multiple top surface
Point, the storage of splitting of the fractured reservoir physical model after described process is compared than equal to described to be placed storage of splitting.
Embodiment of the present invention fractured reservoir physical model splits storage ratio quantitative control methodin and device, to be placed by obtaining
Split storage ratio, and measured by the pore volume of the Fracture System of water flooding regime fracture type reservoir physical model, and then
The pore volume storing up than and measuring the Fracture System obtained according to be placed splitting determines the oil mass volume to be placed of matrix system,
Oil mass volume to be placed according to matrix system uses the oil in limited vacuum-saturated mode fracture type reservoir physical model
Measure and carry out fixing quantity, the fractured reservoir physical model after acquisition process, the fractured reservoir physical model after this process
Split storage and split storage ratio than equal to be placed, thus the storage of splitting realizing fixing quantity fractured reservoir physical model is compared so that use
The effect of reservoir development of reality can preferably be predicted by fractured reservoir physical model after this process.And the embodiment of the present invention
Method can realize different splitting storage ratio for same fractured reservoir physical model, add physical model the suitability and
Utilization rate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is that fractured reservoir physical model of the present invention splits the flow chart stored up than quantitative control methodin embodiment one；
Fig. 2 is that fractured reservoir physical model of the present invention splits the flow chart stored up than quantitative control methodin embodiment two；
Fig. 3 A is the perspective view of fractured reservoir physical model；
Fig. 3 B is the front view of fractured reservoir physical model；
Fig. 4 is that fractured reservoir physical model of the present invention splits the structural representation stored up than quantitative control device embodiment one；
Fig. 5 is that fractured reservoir physical model of the present invention splits the structural representation stored up than quantitative control device embodiment two.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Fig. 1 is that fractured reservoir physical model of the present invention splits the flow chart stored up than quantitative control methodin embodiment one, such as Fig. 1
Shown in, the method for the present embodiment may include that
Step 101, obtain and to be placed split storage ratio.
Wherein, what this was to be placed splits storage than the value splitting storage ratio referring specifically to control critical eigenvalue physical models of reservoir.Fractured
Physical models of reservoir includes that matrix system and Fracture System, matrix system and Fracture System all include hole, to store up in hole
Fractured reservoir in the oil gas field that oil simulation is actual.Concrete, the fractured reservoir physical model of the embodiment of the present invention is concrete
For the fractured reservoir seepage flow mechanism in actual oil-gas field development field and development process being entered by the way of Physical Experiment
Row research.The fractured reservoir physical model of the embodiment of the present invention had built up and for initial dry before performing step 101
Dry state, makes in this fractured reservoir physical model oil storage by performing step 101 to step 105 and splits storage ratio and wait to set for this
That puts splits storage ratio, i.e. simulates the fractured reservoir in actual oil-gas field development with this fractured reservoir physical model.
Step 102, by the vacuum point on the base of fractured reservoir physical model in fractured reservoir physical model
Portion fills water.
Concrete, the base of the fractured reservoir physical model of the embodiment of the present invention and top surface are provided with several and bore
Hole, this boring may be used for vacuum and can be used for saturated, and vacuum refers specifically to the substrate system so that fractured reservoir physical model
There is no any material in the hole of system and Fracture System, saturated refer specifically to the matrix system so that fractured reservoir physical model and
Gassy or liquid in the hole of Fracture System, gas can be to control or other gases, and liquid can be water, oil
Or other liquid.This boring is referred to as vacuum point by the embodiment of the present invention.
Step 103, by the vacuum point on the top surface of fractured reservoir physical model to described fractured reservoir physics
Model injects gas, and opens the vacuum point on described base, inside fractured reservoir physical model described in described gas displacement
Water, by the vacuum point extraction on described base, until the vacuum point on described base stops water outlet, the body of record output water
Long-pending, using the volume of described output water as the pore volume of the Fracture System of described fractured reservoir physical model.
Concrete, the Fracture System of fracture type reservoir physical model just can be completed by step 102 and step 103
The measurement of pore volume.
Step 104, according to described to be placed split storage than and the pore volume of described Fracture System determine described Fractured
The oil mass volume to be placed of the matrix system of physical models of reservoir.
Concrete, owing to the pore volume of Fracture System is the reserves of Fracture System, according to splitting the definition storing up ratio,
Know when splitting the reserves stored up than (to be placed split storage than) and Fracture System, just may determine that reserves (the i.e. substrate system of matrix system
The oil mass volume to be placed of system).
Step 105, use limited vacuum-saturated mode quantitative according to the oil mass volume to be placed of described matrix system
Make the oil mass in described fractured reservoir physical model, the fractured reservoir physical model after acquisition process.
Wherein, by the oil mass of step 105 fixing quantity fractured reservoir physical model so that the Fractured oil after process
The storage of splitting hiding physical model splits storage ratio than equal to be placed in step 101, thus utilizes the fractured reservoir thing after process
Reason Model on Crack storage is studied than for the to be placed actual fractured reservoir splitting storage ratio.
Further, the detailed description of the invention of step 102 can be: by the vacuum point on base to initial dry splitting
The stable water filling of low speed in seam property physical models of reservoir, water can be altered into so that the water in Fracture System preferentially along Fracture System
Position slowly and uniformly rises, and meanwhile, a part of water can enter in matrix system due to imbibition effect, when fractured reservoir thing
When all vacuum points on the top surface of reason model have solid stream of water output, stop saturated.Now this fractured reservoir physics mould
Water is filled inside type.
Further, the detailed description of the invention of step 103 can be: on the top surface by fractured reservoir physical model
Multiple vacuum points to the internal steady gas injection of low speed of fractured reservoir physical model, open the base of fractured reservoir physical model
On vacuum point carry out the extraction of water, now, the water within fractured reservoir physical model can gradually under the driving effect of gas
It is plucked out of, and owing to gas phase is the non-wetted phase of matrix system for aqueous phase, so the water in matrix system cannot be replaced by gas drive
Out, the water of extraction is Fracture System output, when the vacuum point on the base of fractured reservoir physical model no longer has water
During output, stopping gas drive process, the volume of record output water, the volume of this output water is the pore volume of Fracture System.
The present embodiment, by obtaining the to be placed storage ratio that splits, and by water flooding regime fracture type reservoir physical model
The pore volume of Fracture System measures, and then splits storage ratio according to be placed and measure the pore-body of the Fracture System obtained
The long-pending oil mass volume to be placed determining matrix system, uses limited vacuum-saturated according to the oil mass volume to be placed of matrix system
Oil mass in mode fracture type reservoir physical model carries out fixing quantity, acquisition process after fractured reservoir physical model,
The storage ratio that splits of the fractured reservoir physical model after this process splits storage ratio equal to be placed, thus realizes fixing quantity Fractured
The storage of splitting of physical models of reservoir is compared so that use the fractured reservoir physical model after this process can preferably predict the oil of reality
Hide development effectiveness.And the method for the embodiment of the present invention can realize different splitting for same fractured reservoir physical model
Storage ratio, adds the suitability and the utilization rate of physical model.
Use several specific embodiment below, the technical scheme of embodiment of the method shown in Fig. 1 is described in detail.
Fig. 2 is that fractured reservoir physical model of the present invention splits the flow chart stored up than quantitative control methodin embodiment two, Fig. 3 A
For the perspective view of fractured reservoir physical model, Fig. 3 B is the front view of fractured reservoir physical model, such as Fig. 2 institute
Showing, the method for the present embodiment may include that
Step 201, obtain and to be placed split storage ratio.
Step 202, by the vacuum point on the base of fractured reservoir physical model in fractured reservoir physical model
Portion fills water.
Step 203, by the vacuum point on the top surface of fractured reservoir physical model to described fractured reservoir physics
Model injects gas, and opens the vacuum point on described base, inside fractured reservoir physical model described in described gas displacement
Water, by the vacuum point extraction on described base, until the vacuum point on described base stops water outlet, the body of record output water
Long-pending, using the volume of described output water as the pore volume of the Fracture System of described fractured reservoir physical model.
Wherein, step 201 to the detailed description of the invention of step 203 specifically may refer to the step 101 of embodiment illustrated in fig. 1
To the explanation of step 103, repeat the most one by one.It should be noted that the fractured reservoir physics of the embodiment of the present invention
It is that non-physical model establishment stage fixing quantity splits storage ratio in the experimental stage that model splits storage than quantitative control methodin, and the present invention is real
Execute the fractured reservoir physical model of example to split storage and can realize different splitting on same physical model than quantitative control methodin
Storage ratio, can be effectively improved the utilization rate of physical model.Will be understood, the method for the embodiment of the present invention can also be with thing
The method that reason model is set up combines, and carries out Physical Experiment, for actual crack in the way of more closing to reality fractured reservoir
Property flow through oil reservoir mechanism and exploitation law study be provided with effect technique means.The fractured reservoir physical model of the embodiment of the present invention
There is certain resistance to pressure, form the percolating medium closed that is hedged off from the outer world, and on the top of fractured reservoir physical model
On surface and it is provided with multiple vacuum point on base, these uniform and intensive being distributed on the grid of crack of vacuum point, specifically may be used
To see Fig. 3 A and Fig. 3 B, the vacuum point on multiple bases is evenly distributed on four bases of fractured reservoir physical model,
Vacuum point on multiple top surfaces is evenly distributed on the top surface of fractured reservoir physical model.Equally distributed vacuum point can
So that uniformity about displacement process is effectively ensured in the method for the embodiment of the present invention.
Step 204, according to described to be placed split storage than and the pore volume of described Fracture System determine described Fractured
The oil mass volume to be placed of the matrix system of physical models of reservoir.
Wherein, step 204 is specifically as follows: according to formulaDetermine described fractured reservoir physical model
The oil mass volume V to be placed of matrix system2, wherein, V1For the pore volume of described Fracture System, λ is described to be placed to split storage
Ratio.
Step 2051, by the vacuum point on described top surface, described fractured reservoir physical model is carried out at evacuation
Reason so that described fractured reservoir physical model is in partial vacuum state.
Concrete, entered by the vacuum point fracture type reservoir physical model on the top surface of fractured reservoir physical model
Row evacuation, extracts major part air in fractured reservoir physical model so that it is be in partial vacuum state.
Step 2052, utilize negative pressure that water sucks described fractured reservoir physical model by the vacuum point on described base
Internal.
Concrete, after performing step 2051, then utilized by the vacuum point on the base of fractured reservoir physical model
Water is sucked in Fractured physical model by negative pressure.Now the Fracture System of fractured reservoir physical model is filled with water, and substrate
Sillar periphery in system is saturated water, and inside is residual air mass.Afterwards, by step 2053 and step 2054 to Fractured
Saturated oils in physical models of reservoir, the fractured reservoir physical model after acquisition process.
Step 2053, by the vacuum point on described base, described fractured reservoir physical model is carried out at evacuation
Reason, until the volume of the water extracted out adds the oil mass volume to be placed of described matrix system equal to the pore volume of described Fracture System
Time, stop evacuation and process.
Concrete, by the vacuum point fracture type reservoir physical model evacuation on the base of seam property physical models of reservoir,
It is made to be again introduced into partial vacuum state.Due to the expansion of the internal residual air mass of the sillar in matrix system, the rock of matrix system
Part water in block can be drawn out of, and the water yield is extracted in metering simultaneously out, when extracting water yield volume out equal to V1Add V2Time stop evacuation.
Step 2054, utilize negative pressure that oil sucks described fractured reservoir physical model by the vacuum point on described base
Inside, the fractured reservoir physical model after acquisition process.
Concrete, utilize negative pressure to be sucked by oil in fractured reservoir physical model by the vacuum point on base, now crack
Property physical models of reservoir Fracture System be initially filled with oil, and the sillar periphery of matrix system is fat oil, and centre is water, internal
Being air mass, the most now the reserves of matrix system are V2.After above-mentioned steps, splitting of the fractured reservoir physical model after this process
Storage ratio is λ.
The present embodiment, by obtaining the to be placed storage ratio that splits, and by water flooding regime fracture type reservoir physical model
The pore volume of Fracture System measures, and then splits storage ratio according to be placed and measure the pore-body of the Fracture System obtained
The long-pending oil mass volume to be placed determining matrix system, by limited vacuum-saturated mode fracture type reservoir physical model
Oil mass carries out controller perturbation, the fractured reservoir physical model after acquisition process, the fractured reservoir physical model after this process
Split storage than equal to the to be placed storage ratio that splits, thus realize fixing quantity fractured reservoir physical model split storage ratio so that make
The effect of reservoir development of reality can be preferably predicted with the fractured reservoir physical model after this process.And the embodiment of the present invention
Method can realize different splitting storage ratio for same fractured reservoir physical model, add the suitability of physical model
And utilization rate.The method utilizing the embodiment of the present invention can use a physical model realization that difference is split splitting under the conditions of storage is compared
The simulation of seam property oil reservoir.
It should be noted that the method for the embodiment of the present invention is applicable not only to oil field development research field, it is also possible to application
In the research field that other are relevant with two phase fluid flow phenomenon in Fractured medium, such as, underground pollution thing migration research etc..
Fig. 4 is that fractured reservoir physical model of the present invention splits the structural representation stored up than quantitative control device embodiment one,
As shown in Figure 4, the device of the present embodiment may include that split storage than acquisition module 11, Fracture System pore volume measurements module 12,
Matrix system reserves determine module 13 and matrix system reserves control module 14, wherein, split storage ratio acquisition module 11, are used for obtaining
To be placed splits storage ratio；Fracture System pore volume measurements module 12, for by the base of fractured reservoir physical model
Vacuum point inside fractured reservoir physical model, fill water；By the vacuum on the top surface of fractured reservoir physical model
Point injects gas to described fractured reservoir physical model, and opens the vacuum point on described base, described in described gas displacement
Water within fractured reservoir physical model, by the vacuum point extraction on described base, until the vacuum point on described base
Stopping water outlet, the volume of record output water, using the volume of described output water as the crack of described fractured reservoir physical model
The pore volume of system；Matrix system reserves determine module 13, for according to described to be placed storage of splitting than with described crack being
The pore volume of system determines the oil mass volume to be placed of the matrix system of described fractured reservoir physical model；Matrix system reserves
Control module 14, controls the oil mass in described matrix system for the oil mass volume quantitative to be placed according to described matrix system,
Fractured reservoir physical model after acquisition process；Wherein, what described fractured reservoir physical model included on multiple base is true
Vacuum point on null point and multiple top surface, the storage of splitting of the fractured reservoir physical model after described process is waited to set described in being equal to
That puts splits storage ratio.
Optionally, described matrix system reserves determine module, specifically for:
According to formulaDetermine the oil mass volume to be placed of the matrix system of described fractured reservoir physical model
V2, wherein, V1For the pore volume of described Fracture System, λ is that described to be placed storage of splitting is compared.
Optionally, at the bottom of the vacuum point on the plurality of base is evenly distributed on four of described fractured reservoir physical model
Bian Shang；
Vacuum point on the plurality of top surface is evenly distributed on the top surface of described fractured reservoir physical model.
The device of the present embodiment, may be used for performing the technical scheme of embodiment of the method shown in Fig. 1, and it realizes principle and skill
Art effect is similar to, and here is omitted.
Fig. 5 is that fractured reservoir physical model of the present invention splits the structural representation stored up than quantitative control device embodiment two,
As it is shown in figure 5, the device of the present embodiment is on the basis of Fig. 4 shown device structure, further, the reserves of matrix system control
Module 14 may include that the first vacuum module 141, water injection module the 142, second vacuum module 143 and oiling module 144, wherein,
First vacuum module 141, for carrying out limited by the vacuum point on described top surface to described fractured reservoir physical model
Evacuation processes so that described fractured reservoir physical model is in partial vacuum state；Water injection module 142, for by described
Vacuum point on base utilizes negative pressure to be sucked by water inside described fractured reservoir physical model；Second vacuum module 143, is used for
By the vacuum point on described base, described fractured reservoir physical model is carried out limited evacuation process, until the water extracted out
Volume when adding the oil mass volume to be placed of described matrix system equal to the pore volume of described Fracture System, stop at evacuation
Reason；Oiling module 144, for utilizing negative pressure that oil sucks described fractured reservoir physics mould by the vacuum point on described base
Fractured reservoir physical model inside type, after acquisition process.
The device of the present embodiment, may be used for performing the technical scheme of embodiment of the method shown in Fig. 1 or Fig. 2, and it realizes former
Managing similar with technique effect, here is omitted.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each method embodiment can be led to
The hardware crossing programmed instruction relevant completes.Aforesaid program can be stored in a computer read/write memory medium.This journey
Sequence upon execution, performs to include the step of above-mentioned each method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a fractured reservoir physical model splits storage and compares quantitative control methodin, it is characterised in that including:
Obtain to be placed storage of splitting to compare；
Inside fractured reservoir physical model, water is filled by the vacuum point on the base of fractured reservoir physical model；
Gas is injected to described fractured reservoir physical model by the vacuum point on the top surface of fractured reservoir physical model,
And open the vacuum point on described base, water within fractured reservoir physical model described in described gas displacement, by described
Vacuum point extraction on base, until the vacuum point on described base stops water outlet, the volume of record output water, by described output
The volume of water is as the pore volume of the Fracture System of described fractured reservoir physical model；
Described fractured reservoir physical model is determined than the pore volume with described Fracture System according to described to be placed storage of splitting
The oil mass volume to be placed of matrix system；
Oil mass volume to be placed according to described matrix system uses Fractured described in limited vacuum-saturated mode fixing quantity
Oil mass in physical models of reservoir, the fractured reservoir physical model after acquisition process；
Wherein, described fractured reservoir physical model includes the vacuum point on multiple base and the vacuum point on multiple top surface,
The storage of splitting of the fractured reservoir physical model after described process is compared than equal to described to be placed storage of splitting.
Method the most according to claim 1, it is characterised in that the described oil mass volume to be placed according to described matrix system
Use the oil mass in fractured reservoir physical model described in limited vacuum-saturated mode fixing quantity, the crack after acquisition process
Property physical models of reservoir, including:
By the vacuum point on described top surface, described fractured reservoir physical model is carried out limited evacuation process so that institute
State fractured reservoir physical model and be in partial vacuum state；
Negative pressure is utilized to be sucked by water inside described fractured reservoir physical model by the vacuum point on described base；
By the vacuum point on described base, described fractured reservoir physical model is carried out limited evacuation process, until extracting out
The volume of water when adding the oil mass volume to be placed of described matrix system equal to the pore volume of described Fracture System, stop taking out true
Vacancy is managed；
Utilizing negative pressure to be sucked by oil inside described fractured reservoir physical model by the vacuum point on described base, acquisition processes
After fractured reservoir physical model.
Method the most according to claim 1 and 2, it is characterised in that described storage according to described to be placed splitting is compared and described
The pore volume of Fracture System determines the oil mass volume to be placed of the matrix system of described fractured reservoir physical model, including:
According to formulaDetermine the oil mass volume V to be placed of the matrix system of described fractured reservoir physical model2, its
In, V1For the pore volume of described Fracture System, λ is that described to be placed storage of splitting is compared.
Method the most according to claim 1 and 2, it is characterised in that the vacuum point on the plurality of base is evenly distributed on
On four bases of described fractured reservoir physical model；
Vacuum point on the plurality of top surface is evenly distributed on the top surface of described fractured reservoir physical model.
5. a fractured reservoir physical model splits storage and compares quantitative control device, it is characterised in that including:
Split storage ratio acquisition module, compare for obtaining to be placed storage of splitting；
Fracture System pore volume measurements module, is used for by the vacuum point on the base of fractured reservoir physical model to crack
Water is filled inside property physical models of reservoir；By the vacuum point on the top surface of fractured reservoir physical model to described Fractured
Physical models of reservoir injects gas, and opens the vacuum point on described base, fractured reservoir physics described in described gas displacement
Water within model, by the vacuum point extraction on described base, until the vacuum point on described base stops water outlet, record produces
The volume of water outlet, using the volume of described output water as the pore volume of the Fracture System of described fractured reservoir physical model；
Matrix system reserves determine module, for true according to the described to be placed pore volume splitting storage ratio and described Fracture System
The oil mass volume to be placed of the matrix system of fixed described fractured reservoir physical model；
Matrix system reserves control module, uses limited vacuum saturated for the oil mass volume to be placed according to described matrix system
Mode fixing quantity described in oil mass in fractured reservoir physical model, acquisition process after fractured reservoir physical model；
Wherein, described fractured reservoir physical model includes the vacuum point on multiple base and the vacuum point on multiple top surface,
The storage of splitting of the fractured reservoir physical model after described process is compared than equal to described to be placed storage of splitting.
Device the most according to claim 5, it is characterised in that described matrix system reserves control module, specifically includes:
First vacuum module, for carrying out limited by the vacuum point on described top surface to described fractured reservoir physical model
Evacuation processes so that described fractured reservoir physical model is in partial vacuum state；
Water injection module, for utilizing negative pressure that water sucks described fractured reservoir physical model by the vacuum point on described base
Internal；
Second vacuum module, for carrying out limited taking out by the vacuum point on described base to described fractured reservoir physical model
Application of vacuum, until the volume of the water extracted out adds the oil to be placed of described matrix system equal to the pore volume of described Fracture System
During amount volume, stop evacuation and process；
Oiling module, for utilizing negative pressure that oil sucks described fractured reservoir physical model by the vacuum point on described base
Inside, the fractured reservoir physical model after acquisition process.
7. according to the device described in claim 5 or 6, it is characterised in that described matrix system reserves determine module, specifically use
In:
According to formulaDetermine the oil mass volume V to be placed of the matrix system of described fractured reservoir physical model2, its
In, V1For the pore volume of described Fracture System, λ is that described to be placed storage of splitting is compared.
8. according to the device described in claim 5 or 6, it is characterised in that the vacuum point on the plurality of base is evenly distributed on
On four bases of described fractured reservoir physical model；
Vacuum point on the plurality of top surface is evenly distributed on the top surface of described fractured reservoir physical model.
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