CN211819350U

CN211819350U - Experimental device for simulating collapse and accumulation reservoir body edge water drive oil extraction

Info

Publication number: CN211819350U
Application number: CN201922452288.7U
Authority: CN
Inventors: 王张恒; 胡文革; 杨敏; 潘琳; 曹飞; 王婋
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30

Abstract

The utility model provides an experimental device for simulating collapse and accumulation body edge water drive oil extraction, which comprises an inner barrel, an outer barrel, a cover body, an edge water drive power system, a fluid output metering system and a data acquisition system, wherein the outer barrel is vertically arranged, the inner barrel is coaxially fixed in the outer barrel, the upper end of the inner barrel is flush with the upper end of the outer barrel, and a cavity is formed between the outer barrel, the cover body is of a disc structure matched with the outer barrel, the cover body is detachably arranged at the upper end of the outer barrel so as to open or shield the upper end of the outer barrel, the outer barrel is provided with a first through hole assembly, a plurality of groups of first through hole assemblies are respectively distributed along the circumferential interval of the outer barrel and can be communicated with or sealed in the outer barrel, the inner barrel is provided with a plurality of groups of second through hole assemblies which are distributed along the circumferential interval of the inner barrel, and can be communicated with or sealed with the interior of the inner barrel, wherein at least one group of the first through hole components are communicated with the first through hole components.

Description

Experimental device for simulating collapse and accumulation reservoir body edge water drive oil extraction

Technical Field

The utility model relates to an oil reservoir exploitation technical field especially relates to an experimental apparatus that simulation collapses and piles up reservoir body limit water drive oil recovery.

Background

The carbonate reservoir accounts for about 52 percent of the world petroleum reserves and 60 percent of the global oil and gas total output, has better reservoir physical properties and high oil field yield, and is one of the important petroleum storage increasing and production promoting fields in the world.

The geological research of the Tahe oil field Ordovician carbonate reservoir shows that a plurality of large karst caves and seams develop in the reservoir, the planar distribution of the reservoir presents extreme heterogeneity, a typical fracture-cave carbonate reservoir is formed, and the reservoir is divided into three types, namely a karst cave type, a fracture-karst cave type and a fracture type according to the combination of various pore media in the reservoir. Wherein the collapse accumulation in the cavern type reservoir layer brings great difficulty to the development.

In the actual production process of an oil field, the boundary water oil reservoir is developed by utilizing natural energy, if the development speed is too high, an oil well is exposed to water too early, boundary water is easy to enter, residual oil near a well barrel is less, the potential of residual oil development between wells is large, the residual oil is difficult to use, and the difficulty of water injection adjustment is large. A reasonable development scheme needs to be formulated according to the influence factors of edge water lingering to inhibit or avoid the edge water lingering, so that the aim of improving the oil reservoir recovery rate is fulfilled.

Indoor physical simulation technology is one of the important methods for describing the exploitation characteristics of oil reservoirs. However, no related simulation equipment in the prior art can realize the research on simulating the side water drive oil recovery of the collapsed and piled reservoir, which brings inconvenience to the research on the dynamic production rule of the side water oil reservoir of the collapsed and piled reservoir and the relationship between the side water drive speed and the final recovery ratio.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an experimental apparatus that the reservoir body edge water drive oil recovery was piled up in simulation collapses.

The utility model provides an experimental device for simulating collapse and accumulation body edge water drive oil extraction, which comprises an inner barrel, an outer barrel, a cover body, an edge water drive power system, a fluid output metering system and a data acquisition system, wherein the outer barrel is vertically arranged, the inner barrel is coaxially fixed in the outer barrel, the upper end of the inner barrel is flush with the upper end of the outer barrel, and a cavity is formed between the outer barrel, the cover body is of a disc structure matched with the outer barrel, the cover body is detachably arranged at the upper end of the outer barrel so as to open or shield the upper end of the outer barrel, the outer barrel is provided with a first through hole assembly, a plurality of groups of first through hole assemblies are respectively distributed along the circumferential interval of the outer barrel and can be communicated with or sealed in the outer barrel, the inner barrel is provided with a plurality of groups of second through hole assemblies, and a plurality of groups of second through hole assemblies, the water-saving type washing machine can be communicated or sealed with the interior of the inner barrel, at least one group of the first through hole assemblies is communicated with the first through hole assemblies to form a detection channel, edge water driving power systems are arranged at the other groups of the first through hole assemblies and are used for conveying edge water into the outer barrel, third through holes penetrating through the cover body up and down are formed in the middle of the cover body, the fluid output metering system is connected with the third through holes and is used for driving fluid to output and metering and storing the output fluid, and the data acquisition system is respectively connected with the detection channel and the fluid output metering system to acquire the pressure value in the inner barrel and the weight of the fluid.

Furthermore, an iron wire net is arranged in the inner barrel and is fixedly connected with the inner wall of the inner barrel.

Further, the first through hole assembly comprises a plurality of first through holes which are uniformly distributed at intervals along the axial direction of the outer barrel, the second through hole assembly comprises a plurality of second through holes which are distributed at intervals along the axial direction of the inner barrel, the first through holes of one group of the first through hole assembly are communicated with the first through holes corresponding to the first through hole assembly to form a plurality of detection sub-channels, the data acquisition system is connected with the detection sub-channels, and sealing plugs are detachably mounted at the second through holes and the first through holes.

Further, the data acquisition system comprises a data processing terminal and a pressure acquisition unit, the pressure acquisition unit is connected with the detection sub-channels and used for acquiring the pressure inside the inner barrel, and the data processing terminal is connected with the pressure acquisition unit and the fluid output metering system.

Furthermore, the pressure acquisition unit comprises a circuit board, a display screen and a pressure measurement pipe which corresponds to the plurality of detection sub-channels, one end of the pressure measurement pipe is connected with the corresponding detection sub-channels, the other end of the pressure measurement pipe is electrically connected with the circuit board, the display screen is electrically connected with the circuit board and the data processing terminal, an air inlet which is communicated with the inside of the pressure measurement pipe is arranged on the pressure measurement pipe, a sealing element is detachably arranged at the air inlet, and the sealing element is used for closing and opening the air inlet.

Further, the fluid output metering system comprises a first peristaltic pump, a first liquid storage container and a metering unit, the first peristaltic pump is communicated with the second through hole through a second hose, the first liquid storage container is arranged on the metering unit, the metering unit is used for carrying out weighing processing on the first liquid storage container, the discharge end of the second hose extends into the first liquid storage container, the metering unit is electrically connected with the data processing terminal, and a first valve is arranged at one end, close to the second through hole, of the second hose.

Furthermore, the side water driving power system comprises a third hose, a second liquid storage container and a second peristaltic pump, one end of the third hose corresponds to any one of the second through holes in the second through hole assembly and can be continuously connected, the other end of the third hose extends into the second liquid storage container, the second peristaltic pump is arranged on the third hose, and a second valve is arranged at one end, close to the corresponding second through hole, of the third hose.

The utility model provides a beneficial effect that technical scheme brought is: an experimental apparatus that piles up reservoir body edge water drive oil recovery collapses in simulation has following advantage:

1. the experimental device of the utility model is provided with an inner barrel space and an outer barrel space which are mutually independent, the inner barrel space is used for filling a medium simulation reservoir stratum, the outer barrel space is an annular space for storing edge water, and the purpose of simulating an edge water reservoir is achieved by a unique structure;

2. the experimental device of the utility model can select four different side water injection ports on the outer barrel optionally, thereby realizing the purpose of injecting side water into the outer barrel from different positions, selectively enabling the side water to enter a reservoir from different height levels by selectively opening partial hole sites on the inner barrel, and researching the influence and the influence degree of the side water injection position on the recovery ratio;

3. experimental device can set up different limit water driving speed size and study limit water driving speed size influence and influence degree to the recovery ratio.

Drawings

Fig. 1 is a schematic structural diagram of an experimental device for simulating edge water-driven oil production of a collapsed and piled reservoir body according to the present invention;

fig. 2 is a schematic structural diagram of an experimental device for simulating edge water-driven oil extraction of a collapsed and piled reservoir body according to the present invention;

FIG. 3 is a schematic structural view of the inner barrel of the present invention;

fig. 4 is the structural schematic diagram of the piezometric tube of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

The utility model discloses in, the required simulation of experiment has for crude oil, selects surface water simulation formation water, and this experiment is gone on under the condition of normal atmospheric temperature.

Referring to fig. 1-4, an embodiment of the present invention provides an experimental apparatus for simulating collapse and accumulation of reservoir body edge water driven oil production, including an inner barrel 10, an outer barrel 20, a cover 30, an edge water driven power system, a fluid output metering system and a data acquisition system, wherein the outer barrel 20 is vertically disposed, a base 21 is disposed at a lower end of the outer barrel 20, the inner barrel 10 is coaxially fixed in the outer barrel 20, an upper end of the inner barrel is flush with an upper end of the outer barrel 20, and a cavity 22 is formed between the inner barrel and the outer barrel 20, the cover 30 is a disc structure matched with the outer barrel 20 and detachably mounted at an upper end of the outer barrel 20 to open or shield the upper end of the outer barrel 20, the outer barrel 20 is provided with a first through hole assembly, a plurality of sets of the first through hole assemblies are respectively distributed along a circumferential direction of the outer barrel 20 at intervals and can be communicated or sealed with an, a plurality of groups of second through hole components which are arranged in one-to-one correspondence with the first through hole components are arranged on the inner barrel 10, the plurality of groups of second through hole components are distributed at intervals along the circumferential direction of the inner barrel 10 and can be communicated or sealed with the interior of the inner barrel 10, at least one group of first through hole components are communicated with the corresponding first through hole components to form a detection channel, the other groups of first through hole components are correspondingly provided with an edge water driving power system which is used for conveying edge water into the outer barrel 20, the middle part of the cover body 30 is provided with a third through hole 31 which vertically penetrates through the cover body, the fluid output metering system is connected with the third through hole 31 and is used for driving fluid to output and metering and storing the output fluid, and the data acquisition system is respectively connected with the detection channel and the fluid output metering system, to collect the pressure value inside the inner tub 10 and the weight of the fluid.

The utility model discloses in, interior bucket 10 and outer bucket 20 are made by the organic glass material, and interior bucket 10 is used for filling the medium and simulates collapsing and pile up the reservoir body, and sets up a plurality of second through-hole subassemblies on interior bucket 10, forms a screen cloth with interior bucket 10, and the screen cloth plays the effect that the support collapsed and piles up the reservoir border. The cavity 22 functions to store side water. The outer barrel 20 and the inner barrel 10 are respectively provided with 5 groups of first through hole assemblies and 5 groups of second through hole assemblies, wherein one group of the first through hole assemblies and the second through hole assemblies form a detection channel, the rest 4 first through hole assemblies are used as side water input channels, and correspondingly, side water driving power systems are also provided with 4 side water driving power systems. The direct connection and fixation of the cover 30 and the outer tub 20 are realized by mounting and dismounting bolts, and in order to improve the sealing property when the cover 30 is connected with the outer tub 20, a first sealing ring and a second sealing ring are coaxially arranged at the lower end of the cover 30, wherein the first sealing ring is used for sealing the outer tub 20, and the second sealing ring is used for sealing the inner tub 10. In the test process, the position of the second through hole component communicated with the inside of the inner barrel 10 is selected, the four groups of first through hole components and corresponding side water drive power systems are used for inputting side water into the inner barrel 10, the position of the side water second through hole component communicated with the inside of the inner barrel 10 enters the collapsed accumulation storage layer, oil in the collapsed accumulation storage layer is ejected out of the third through hole 31 and flows into the fluid output metering system, after the fluid output metering system meters the weight of the oil, the weight information is sent to the data acquisition system, the data acquisition system records and stores the weight information, and meanwhile, the data acquisition system acquires the pressure inside the inner barrel 10 constantly so as to record and store the pressure condition in the test process.

Wherein, base 21 can improve the holding power to outer bucket 20, its height is 240mm, the width is 630mm, outer bucket 20's internal diameter is 600mm, the external diameter is 630mm, highly be 490mm, the wall thickness is 15mm, inner bucket 10's internal diameter is 280mm, the external diameter is 300mm, highly be 490mm, the wall thickness is 10mm, the diameter of first through-hole 24 and second through-hole 11 is 5mm, lid 30 diameter is 680mm, outward flange thickness is 10mm, length is 25mm, the sealing washer diameter is 620mm, thickness is 3mm, the diameter 290mm of second sealing washer, thickness 3 mm.

In the above embodiment, the first through hole assembly includes a plurality of first through holes 24, the plurality of first through holes 24 are uniformly distributed along the axial direction of the outer tub 20 at intervals, the second through hole assembly includes a plurality of second through holes 11, and the plurality of second through holes 11 are distributed along the axial direction of the inner tub 10 at intervals, wherein the plurality of first through holes 24 of a group of the first through hole assembly are respectively communicated with the corresponding first through holes 24 of the first through hole assembly to form a plurality of detection sub-channels, the data acquisition system is respectively connected with the plurality of detection sub-channels, and in addition, sealing plugs 50 are detachably mounted at the second through holes 11 and the first through holes 24.

The utility model discloses in, can be according to the experiment needs, through pulling down the sealed end cap 50 that sets up in every first through-

hole

24 or 11 departments of second through-hole to realize the purpose of the high position of bucket 10 in the injection position of free choice limit water and the inflow of limit water, reach and study limit water injection reservoir position to the influence of recovery ratio and the purpose of influence degree through selectively making limit water from different high levels entering reservoir stratum. Specifically, one first through hole 24 is arbitrarily selected from each group of first through hole assemblies to be communicated with the edge water driving power system, the remaining first through holes 24 in the same first through hole assembly are sealed by sealing plugs 50, similarly, one second through hole 11 is arbitrarily selected from each group of second through hole assemblies to be communicated with the interior of the inner barrel 10, and the remaining second through holes 11 in the same second through hole assembly are sealed by sealing plugs 50.

In the above embodiment, the data collecting system includes a data processing terminal 60 and a pressure collecting unit, the pressure collecting unit is connected to the plurality of detection sub-channels for collecting the pressure inside the inner barrel 10, and the data processing terminal 60 is connected to the pressure collecting unit and the fluid output metering system.

The utility model discloses in, data processing terminal 60 is the computer, and the computer has and accepts and handles signal fast, handle advantage such as in time and react soon.

In the above embodiment, the pressure collecting unit includes a circuit board 61, a display screen 62 and a pressure measuring tube 63 corresponding to the plurality of detection sub-channels, a capillary glass tube 64 is provided in each detection sub-channel, one end of the capillary glass tube 64 is fixedly connected to the corresponding second through hole 11, the other end thereof passes through and extends out of the corresponding first through hole 24, one end of the capillary glass tube 64 extending out of the first through hole 24 is provided with a first hose not shown in the figure, one end of the pressure measuring tube 63 is connected to a first hose installed at the corresponding detection sub-channel, the other end thereof is electrically connected to the circuit board 61, the display screen 62 is electrically connected to the circuit board 61 and the data processing terminal 60, the pressure measuring tube 63 is provided with an air inlet 65 communicated with the interior thereof, a sealing member (not shown in the figure) is detachably installed at the air inlet 65, the seal is used to close and open the air inlet 65.

The utility model discloses in, capillary glass pipe 64 is made by the organic glass material, and it is used for interior bucket 10 inner space and piezometer tube 63 space connection, and then measures the pressure in the bucket 10 in. Many pressure-measuring pipes 63 are fixed through mounting (not shown in the figure) in the utility model, the mounting is the organic glass board, and pressure-measuring pipe 63 is through the compression condition of its interior air post after the injection liquid size of measuring pressure to show on display screen 62 after the conversion through circuit board 61, simultaneously, the pressure information transmission who will gather through the circuit is to data processing terminal 60 and is taken notes and save, pressure acquisition unit have advantages such as measuring speed is fast and measuring result is accurate. The utility model discloses do not restrict the structure of sealing member, can realize all can regard as the sealed structure of air inlet 65 among the prior art the utility model discloses the concrete embodiment of well sealing member, like end cap and bolt etc. Wherein, the total length of the piezometer tube 63 is 530mm, the diameter is 5mm, the width of the fixing piece is 880mm, and the length is 78 mm.

In the above embodiment, the inner barrel 10 is provided with the wire mesh 12, the wire mesh 12 is fixedly connected with the inner wall of the inner barrel 10, here, it should be noted that the wire mesh 12 is paved on the inner wall of the inner barrel 10, and the wire mesh 12 enables the edge water to uniformly enter the reservoir.

In the above embodiment, the fluid output metering system includes a first peristaltic pump 70, a first liquid storage container 71 and a metering unit 72, the first peristaltic pump 70 is communicated with the third through hole 31 through a second hose 73, the metering unit 72 is an electronic balance and is horizontally disposed, the first liquid storage container 71 is disposed on the metering unit 72, a discharge end of the second hose 73 extends into the first liquid storage container 71 and extends into the first liquid storage container 71 by 1-2cm, the metering unit 72 is electrically connected to the data processing terminal 60, and a first valve 74 is disposed at one end of the second hose 73 close to the third through hole 31.

The utility model discloses in, the speed of the steerable output fluid of first peristaltic pump 70 (being oil), the oil that is replaced out by the edge water is inputed to first stock solution container 71 through second hose 73 and first peristaltic pump 70 in, at this moment, metering unit 72 then begins to carry out the meter weight to the oil of producing, and weight information constantly takes place to data processing terminal 60 and takes notes and save, and simultaneously, first stock solution container 71 still collects and saves the oil of producing. Wherein the first valve 74 has a length of 50mm and a diameter of 5 mm.

In the above embodiment, the side water driving power system includes a third hose 80, a second liquid storage container 81 and a second peristaltic pump 82, one end of the third hose 80 is continuously connected to any one of the second through holes 11 corresponding to the second through hole assembly, and the other end of the third hose extends into the second liquid storage container 81, the second peristaltic pump 82 is disposed on the third hose 80, and a second valve 84 is disposed at one end of the third hose 80 close to the corresponding second through hole 11.

The utility model discloses in, second stock solution container 81 is used for saving limit water, through second peristaltic pump 82, can be with the limit water input to in the outer bucket 20 in the second stock solution container 81 that corresponds. Wherein, the second peristaltic pump 82 can provide stable and adjustable side water driving speed aiming at the injection positions of different side water, so that the side water obtains sufficient power to enter the reservoir and further push oil out of the reservoir.

The operating principle of the experimental device is as follows: and (3) detaching the sealing plugs 50 on the second through holes 11 positioned at the bottom part of the inner barrel 10 in each group of second through holes 11, filling the inner barrel 10 with limestone and gravel media, filling surface water into the inner barrel 10 and the outer barrel 20, covering the cover body 30, and respectively connecting the first peristaltic pump 70 and the first hose. According to the experimental conditions, a desired amount of experimental oil weighed in advance is added to the first reservoir 71. Selecting 4 holes close to the bottom of the outer barrel 20 in the four groups of first through hole assemblies as edge water injection ports, respectively connecting the edge water injection ports with corresponding third hoses 80, second valves 84 and second peristaltic pumps 82, and taking down the sealing parts on each pressure measuring pipe 63 to be communicated with the atmosphere so as to ensure that the pressure in each pressure measuring pipe 63 is the same. The first valve 74 and the second valve 84 are opened, the propeller rotation directions of the first peristaltic pump 70 and the second peristaltic pump 82 are adjusted, the pump speeds of the first peristaltic pump 70 and the second peristaltic pump 82 are set, wherein the pump speed of the first peristaltic pump 70 is equal to the sum of the pump speeds of the second peristaltic pump 82, the first peristaltic pump 70 and the second peristaltic pump 82 are simultaneously started, the first peristaltic pump 70 and the second peristaltic pump 82 are started to rotate forwards, and gas in the first hose and the third hose 80 is respectively discharged by utilizing water circulation, so that the influence of the gas on later-stage data calculation of an experiment is avoided. After the gas is purged, the first peristaltic pump 70 and the second peristaltic pump 82 are turned off. The first peristaltic pump 70 and the plurality of second peristaltic pumps 82 are started to reversely rotate, under the action of the first peristaltic pump 70, oil in the first liquid storage container 71 is input into the inner barrel 10 and is accumulated at the top of the reservoir, meanwhile, under the action of the second peristaltic pumps 82, surface water is discharged from the second through hole 11 opened at the bottom of the outer barrel 20, and when the oil input into the inner barrel 10 reaches the expected oil quantity, the first peristaltic pump 70 is closed. The original oil accumulation amount which is beneficial to entering the inner barrel 10 can be obtained by calculating the oil amount remained in the first liquid storage container 71.

And the air outlet of the piezometer tube 63 is sealed, so that the whole device is ensured to be in a closed state. And a container with weighed mass is placed on the metering unit 72 again, the pipe orifice of the third hose 80 is suspended at a position 1-2cm above the container for containing the output liquid, and balance data recording software in the data processing terminal 60 is started to be communicated with a circuit connected with the piezometer pipe 63. The first peristaltic pump 70 and the second peristaltic pump 82 are started to rotate forwards, the first valve 74 and the second valve 84 are opened simultaneously, surface water is injected into the outer barrel 20, and the top water in the reservoir flows to the first liquid storage container 71 through the first hose and the first peristaltic pump 70. During this period, through the pressure value in the interior bucket 10 of piezometric tube 63 monitoring constantly, simultaneously, record and save the experimental condition through data acquisition system, after waiting to experiment, can acquire this experiment actual oil extraction volume data.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An experimental device for simulating collapse and accumulation reservoir body edge water driving oil extraction is characterized by comprising an inner barrel (10), an outer barrel (20), a cover body (30), an edge water driving power system, a fluid output metering system and a data acquisition system, wherein the outer barrel (20) is vertically arranged, the inner barrel (10) is coaxially fixed in the outer barrel (20), the upper end of the inner barrel is flush with the upper end of the outer barrel (20), a cavity (22) is formed between the inner barrel and the outer barrel (20), the cover body (30) is of a disc structure matched with the outer barrel (20) and is detachably mounted at the upper end of the outer barrel (20) so as to open or shield the upper end of the outer barrel (20), a plurality of groups of first through hole assemblies distributed at intervals along the circumferential direction of the outer barrel (20) are arranged on the outer barrel (20), and can be communicated with or sealed with the inside of the outer barrel (20), a plurality of groups of second through hole components distributed at intervals along the circumferential direction of the inner barrel (10) are arranged on the inner barrel (10), the second through hole components can be communicated with or sealed with the interior of the inner barrel (10), wherein at least one set of the first through-hole assemblies communicates with the first through-hole assemblies to form a detection channel, in addition, edge water driving power systems are arranged at the positions of the first through hole assemblies and are used for conveying edge water into the outer barrel (20), a third through hole (31) which vertically penetrates through the cover body (30) is arranged in the middle of the cover body, the fluid output metering system is connected with the third through hole (31), the data acquisition system is respectively connected with the detection channel and the fluid output metering system so as to acquire the pressure value inside the inner barrel (10) and the weight of the fluid.

2. The experimental device for simulating water-driven oil extraction of a collapsed and accumulated reservoir body as claimed in claim 1, wherein a wire mesh (12) is arranged in the inner barrel (10), and the wire mesh (12) is fixedly connected with the inner wall of the inner barrel (10).

3. The experimental facility for simulating water-driven oil recovery of collapsed and piled reservoir body as claimed in claim 1, characterized in that the first through hole assembly comprises a plurality of first through holes (24), the plurality of first through holes (24) are respectively and uniformly distributed at intervals along the axial direction of the outer barrel (20), the second through hole assembly comprises a plurality of second through holes (11), and a plurality of the second through holes (11) are respectively distributed along the axial direction of the inner barrel (10) at intervals, wherein a plurality of the first through holes (24) of a group of the first through hole assemblies are respectively communicated with the first through holes (24) corresponding to the first through hole assemblies, so as to form a plurality of detection sub-channels, the data acquisition system is respectively connected with the plurality of detection sub-channels, in addition, sealing plugs (50) are detachably mounted at the second through holes (11) and the first through holes (24).

4. The experimental device for simulating water-driven oil recovery of a collapsed and piled reservoir as claimed in claim 3, wherein the data collecting system comprises a data processing terminal (60) and a pressure collecting unit, the pressure collecting unit is connected with a plurality of the detecting sub-channels for collecting the pressure inside the inner barrel (10), and the data processing terminal (60) is connected with the pressure collecting unit and the fluid output metering system.

5. The experimental device for simulating water-driven oil extraction at the edge of a collapsed and piled reservoir according to claim 4, wherein the pressure acquisition unit comprises a circuit board (61), a display screen (62) and a pressure measurement pipe (63) corresponding to the plurality of detection sub-channels, one end of the pressure measurement pipe (63) is connected with the corresponding detection sub-channel, the other end of the pressure measurement pipe is electrically connected with the circuit board (61), the display screen (62) is electrically connected with the circuit board (61) and the data processing terminal (60), an air inlet (65) communicated with the interior of the pressure measurement pipe (63) is arranged on the pressure measurement pipe (63), and a sealing member is detachably mounted at the air inlet (65) and used for closing and opening the air inlet (65).

6. The experimental facility for simulating water-driven oil recovery of collapsed and piled reservoir body as claimed in claim 4, characterized in that the fluid output metering system comprises a first peristaltic pump (70), a first liquid storage container (71) and a metering unit (72), the first peristaltic pump (70) is communicated with the second through hole (11) through a second hose (73), a first valve (74) is arranged at one end of the second hose (73) close to the third through hole (31), one end of the first liquid storage container, which is far away from the third through hole (31), is connected with the first liquid storage container (71), the first reservoir (71) is arranged on the metering unit (72), the metering unit (72) is electrically connected with the data processing terminal (60), the weighing device is used for weighing a first liquid storage container (71) and sending a signal to the data processing terminal (60).

7. The experimental device for simulating collapse and accumulation reservoir side water-driven oil recovery as claimed in claim 3, wherein the side water-driven power system comprises a third hose (80), a second liquid storage container (81) and a second peristaltic pump (82), one end of the third hose (80) is detachably connected with any one of the second through holes (11) corresponding to the second through hole assembly, the other end of the third hose extends into the second liquid storage container (81), the second peristaltic pump (82) is arranged on the third hose (80), and one end of the third hose (80) close to the corresponding second through hole (11) is provided with a second valve (84).