CN111101936B - Experimental device for simulating bottom water drive oil extraction of collapse and accumulation reservoir - Google Patents
Experimental device for simulating bottom water drive oil extraction of collapse and accumulation reservoir Download PDFInfo
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- CN111101936B CN111101936B CN201911394192.8A CN201911394192A CN111101936B CN 111101936 B CN111101936 B CN 111101936B CN 201911394192 A CN201911394192 A CN 201911394192A CN 111101936 B CN111101936 B CN 111101936B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000009825 accumulation Methods 0.000 title claims abstract description 20
- 238000000605 extraction Methods 0.000 title claims description 11
- 239000012530 fluid Substances 0.000 claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 31
- 230000002572 peristaltic effect Effects 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 23
- 235000019738 Limestone Nutrition 0.000 claims description 11
- 239000006028 limestone Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 description 11
- 238000011161 development Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000011160 research Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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Abstract
The utility model provides an experimental apparatus that simulation collapses and piles up accumulation body bottom water drive oil recovery, includes staving, lid, bottom water drive driving system, fluid output memory system and data acquisition system, the staving is vertical to be set up, and its interior level is equipped with the spacer, be equipped with a plurality of first through-holes that can supply the bottom water to pass through on the spacer, the spacer will the staving divide into first staving and the second staving of mutually independent from top to bottom, first staving is with placing the accumulation body that collapses, the second staving is used for storing the bottom water, the lid be with the disc structure of first staving matching, its detachable installs the upper end of first staving is in order to open or cover the upper end of first staving, the middle part of lid is equipped with the third through-hole that runs through from top to bottom, fluid output memory system passes the third through-hole stretches into in the first staving.
Description
Technical Field
The invention relates to the technical field of oil reservoir exploitation, in particular to an experimental device for simulating bottom water driven oil extraction of a collapsed and accumulated reservoir.
Background
The oil and gas resources of the fracture-cavity type carbonate reservoir and the abundance thereof are one of the most important exploration fields in the world at present. But has been a difficulty in research due to the particularities and complexity of its reservoir structure.
Regarding the research of fracture-cavity carbonate reservoir types, the research is less at present on the oil-water movement rules of different reservoir types of fracture-cavity reservoirs, in particular to the aspect of physical simulation experiments. Proved by development practice, the karst cave type reservoir is the main reservoir space type of the fracture cave type reservoir, and the reserve is huge. The karst cave type reservoir is developed and collapses the stack locally, and according to the actual data of the oil field, the existing multi-hole well drill meets the cave reservoir with the collapsed structural characteristics, and the partial well construction and production are higher.
At present, in addition to the existing large amount of natural bottom water reservoirs, as oil fields enter secondary and tertiary recovery, more development characteristics of the oil fields continuously tend to be of the bottom water type. In the actual production process of oil fields, the problem of coning of water is emphasized, which can lead to significant yield reduction. Therefore, by studying the development dynamics of the bottom water drive, the development rule of the bottom water drive is known, and how to inhibit the water cone to improve the recovery ratio is an important problem facing all petroleum production units.
Because of the complexity of the reservoir structure with the collapse accumulation characteristics, the development of the reservoir is very difficult, so that the research on the development rule of the bottom water drive of the collapse accumulation reservoir has important guiding significance for guiding the development of the bottom water reservoir of the collapse accumulation reservoir, but no feasible device for researching the oil extraction process driven by the bottom water of the collapse accumulation reservoir exists at present, and great inconvenience is brought to the research on the development rule of the bottom water reservoir with the collapse structure characteristics.
Disclosure of Invention
In view of the above, the invention provides an experimental device for simulating the bottom water driven oil extraction of a collapsed accumulation reservoir.
The invention provides an experimental device for simulating bottom water drive oil extraction of a collapse accumulation reservoir body, which comprises a barrel body, a cover body, a bottom water drive power system, a fluid output storage system and a data acquisition system, wherein the barrel body is vertically arranged, a partition member is horizontally arranged in the barrel body, a plurality of first through holes through which bottom water can pass are arranged on the partition member, the partition member divides the barrel body into a first barrel body and a second barrel body which are mutually independent from each other, the first barrel body is used for placing the collapse accumulation reservoir body, the second barrel body is used for storing bottom water, the cover body is of a disc structure matched with the first barrel body, is detachably arranged at the upper end of the first barrel body so as to open or cover the upper end of the first barrel body, a third through hole penetrating through the upper and lower parts of the cover body is arranged in the middle of the cover body, the fluid output storage system penetrates through the third through holes and stretches into the first barrel body, the fluid output storage system is used for driving fluid output and metering and storing the output fluid, the cover body is connected with the first barrel body and the second barrel body in a weight-based manner, and the weight of the fluid output storage system is used for collecting the fluid output to the first barrel body and the second barrel body.
Further, an iron wire net is fixedly arranged at the upper end of the isolation piece.
Further, the data processing system comprises a data processing terminal and a pressure acquisition unit, wherein the pressure acquisition unit is respectively communicated with the interiors of the first barrel body and the second barrel body and is used for acquiring the pressures in the first barrel body and the second barrel body, and the data processing terminal is connected with the pressure acquisition unit and the fluid output storage system.
Further, the pressure acquisition unit includes circuit board, display screen and piezometer tube, the second through-hole rather than inside intercommunication is equipped with to the interval about all on the first staving, every the second through-hole all links has the piezometer tube, the piezometer tube keep away from the one end of second through-hole all with the circuit board electricity is connected, the display screen with the circuit board with the data processing terminal electricity is connected, be equipped with on the piezometer tube rather than inside intercommunication air inlet, the detachable sealing member of installing of air inlet department, the sealing member is used for closing and opening the air inlet.
Further, the fluid output storage system comprises a first peristaltic pump, a first liquid storage container and a metering unit, wherein the first peristaltic pump is communicated with the third through hole through a second hose, one end, away from the third through hole, of the second hose stretches into the first liquid storage container, a first valve is arranged on the second hose, the first liquid storage container is arranged on the metering unit, and the metering unit is electrically connected with the data processing terminal and is used for detecting the weight of the first liquid storage container.
Further, the bottom water driving power system comprises a third hose, a second liquid storage container and a second peristaltic pump, a fourth through hole communicated with the inside of the second barrel is formed in the middle of the bottom of the second barrel, one end of the third hose is detachably connected with the fourth through hole, the other end of the third hose stretches into the second liquid storage container, the second peristaltic pump is arranged on the third hose, and a second valve is arranged on the third hose.
The technical scheme provided by the invention has the beneficial effects that: the experimental device for simulating the bottom water driven oil extraction of the collapsed accumulation reservoir body has the following advantages:
1. the device has the advantages of simple structure, small volume, lighter weight, convenient movement, convenient disassembly and assembly and the like;
2. the device provided by the invention can effectively simulate the process of exploiting the bottom water reservoir, and has the advantages of convenience in operation and the like.
3. The device can provide stable and adjustable bottom water driving force, achieves the purpose of researching the oil reservoir exploitation process under different bottom water driving force conditions, and can realize simulation and research of different bottom water development schemes of actual oil fields.
4. The device can realize automatic collection of oil in the collapsed accumulation reservoir, can automatically and dynamically monitor the bottom water reservoir exploitation process in real time, has the function of accurately recording the whole bottom water reservoir exploitation process, and has high accuracy of simulation experiment results.
Drawings
FIG. 1 is a schematic structural diagram of an experimental device for simulating bottom water driven oil recovery of a collapsed stacked reservoir according to the present invention;
FIG. 2 is a schematic view of the structure of the tub according to the present invention;
FIG. 3 is a schematic view of the structure of the spacer and wire according to the present invention;
FIG. 4 is a schematic view of the structure of the test tube according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, an experimental device for simulating bottom water driving oil extraction of a collapse accumulation reservoir is provided in an embodiment of the present invention, which comprises a barrel body, a cover body 20, a bottom water driving power system, a fluid output storage system and a data acquisition system, wherein the barrel body is vertically arranged, a base 18 is arranged at the lower end of the barrel body, a partition 14 is horizontally arranged in the barrel body, a plurality of first through holes 15 through which bottom water can pass are arranged on the partition 14, the partition 14 divides the barrel body into a first barrel body 11 and a second barrel body 12 which are independent from each other, the first barrel body 11 is placed on the same side as the collapse accumulation body, the second barrel body 12 is used for storing bottom water, the cover body 20 is of a disc structure matched with the first barrel body 11, the cover body is detachably arranged at the upper end of the first barrel body 11 so as to open or cover the upper end of the first barrel body 11, a plurality of third through holes 21 penetrating through the partition 14 are arranged in the middle of the partition body, the fluid output storage system passes through the third barrel body 11 and the second barrel body 12, the fluid output storage system penetrates through the third barrel body 21 and is connected with the first barrel body 12 and is used for driving the fluid output system and the fluid output system to the first barrel body 12, and the fluid output system is connected with the first barrel body 12 and the first barrel body 12, and the fluid is used for collecting the fluid is used for measuring and the weight of the fluid is respectively.
In the invention, the barrel body and the isolating piece 14 are made of organic glass materials, so that the process of exploiting the bottom water reservoir can be conveniently observed and recorded. The separator 14 is a screen, and the first through holes 15 are the holes of the screen, so that the screen plays a role in supporting the weight of the collapsed stacked storage bodies. Wherein, iron stand 13 is equipped with in the second staving 12, and the upper end of iron stand 13 is laminated with the lower extreme of separator 14 to be used for supporting separator 14, reinforcing separator 14's bearing capacity. The connection and fixation between the cover 20 and the first barrel 11 are realized by bolts, and in order to improve the tightness when the cover 20 is connected with the first barrel 11, the lower end of the cover 20 is coaxially provided with a sealing ring.
Wherein, the internal diameter of staving is 280mm, external diameter is 300mm, highly is 490mm, wall thickness is 10mm, and the height of first staving 11 is 380mm, and the height of second staving 12 is 100mm, and the thickness of separator is 10mm, and the sieve pore diameter is 6mm, and the diameter of lid 20 is 350mm, and thickness 10mm, sealing washer diameter 320mm, thickness 3mm, the height 240mm of base 18, width 300mm, the height of iron stand 13 is 100mm.
In the above embodiment, the wire netting 16 is laid on the upper end of the separator 14, the shape of the wire netting 14 matches with the shape of the separator 14, and the upper end surface of the whole separator 14 is fully laid, and the wire netting 16 enables bottom water to uniformly enter the collapsed stack.
In the above embodiment, the data processing system includes a data processing terminal 30 and a pressure collecting unit, the first barrel 11 is provided with second through holes 17 vertically spaced and communicated with the inside of the first barrel, each second through hole 17 is provided with the pressure collecting unit, and the data processing terminal 30 is connected with the pressure collecting unit and the fluid output storage system.
In the invention, the data processing terminal 30 is a computer, and the computer has the advantages of high signal receiving and processing speed, timely processing, quick response and the like.
In the above embodiment, the pressure collecting unit includes a circuit board 31, a display screen 32, and a pressure measuring tube 33 disposed corresponding to the plurality of second through holes 17, each of the second through holes 17 is provided therein with a capillary glass tube 34, the capillary glass tube 34 is fixed in the corresponding second through hole 17, one end of the capillary glass tube 34 extends out of the second through hole 17 through the corresponding second through hole 17, one end of the capillary glass tube 34 extending out of the second through hole 17 is provided with a first hose (not shown in the drawing), one end of the pressure measuring tube 33 is connected with the first hose installed at the corresponding second through hole 17, the other end of the pressure measuring tube 33 is electrically connected with the circuit board 31, the display screen 32 is electrically connected with the circuit board 31 and the data processing terminal 30, the pressure measuring tube 33 is provided with an air inlet 35 communicating with the inside thereof, and a sealing member (not shown in the drawing) is detachably installed at the air inlet 35 for closing and opening the air inlet 35.
In the present invention, the capillary glass tube 44 is made of organic glass material, and is used to connect the inner space of the first tub 11 with the pressure measuring tube space, thereby measuring the pressure in the first tub 11. The plurality of pressure measuring tubes 33 are fixed by fixing members (not shown in the figure), in the present invention, the fixing members are organic glass plates, the pressure measuring tubes 33 measure the pressure by the compression condition of the air column therein after the liquid is injected, and the pressure measuring tubes are converted by the circuit board 31 and displayed on the display screen 32, and meanwhile, the collected pressure information is sent to the data processing terminal 30 by the circuit for recording and storing. In addition, in order to measure the pressure at the bottom of the collapsed storage reservoir, a second through hole 17 is formed in the second barrel 12, a capillary glass tube 34 is disposed in the second through hole 17, one end of the capillary glass tube 44 extends to a position close to the center of the spacer 14, and the other end of the capillary glass tube extends out of the second through hole 17 through the second through hole 17 and is connected with the pressure measuring tube 33. The pressure acquisition unit has the advantages of high measurement speed, accurate measurement result and the like. The present invention is not limited to the structure of the sealing member, and any structure capable of sealing the air inlet 35 in the prior art may be used as a specific embodiment of the sealing member in the present invention, such as a plug, a bolt, etc. Wherein, the total length of the pressure measuring tube 33 is 530mm, the diameter is 5mm, the width of the fixing piece is 880mm, the length is 78mm, and the diameter of the second through hole 17 is 5mm.
In the above embodiment, the fluid output storage system includes a first peristaltic pump 40, a first liquid storage container 41 and a metering unit 42, where the first peristaltic pump 40 is communicated with the third through hole 21 through a second hose 43, the metering unit 42 is an electronic balance and is horizontally disposed, the first liquid storage container 41 is disposed on the metering unit 42, a discharge end of the second hose 43 extends into the first liquid storage container 41 and into the first liquid storage container 41 by 1-2cm, the metering unit 42 is electrically connected with the data processing terminal 30, and a first valve 44 is disposed at an end of the second hose 43 close to the third through hole 21.
In the present invention, the first peristaltic pump 40 can control the speed of the output fluid, i.e. the oil, and the oil displaced by the bottom water is inputted into the first liquid storage container 41 through the second hose 43 and the first peristaltic pump 40, at this time, the metering unit 42 starts weighing the oil, and the weight information continuously occurs to the data processing terminal 30 for recording and storing, and at the same time, the first liquid storage container 41 also collects and stores the oil. Wherein the first valve 44 has a length of 50mm and a diameter of 5mm.
In the above embodiment, the bottom water driving power system includes a third hose 50, a second liquid storage container 51 and a second peristaltic pump 52, a fourth through hole 53 communicating with the inside of the second tub 12 is provided in the middle of the bottom of the second tub 12, one end of the third hose 50 is detachably connected to the fourth through hole 53, the other end of the third hose extends into the second liquid storage container 51, the second peristaltic pump 52 is disposed on the third hose 50, and one end of the third hose 50 adjacent to the corresponding fourth through hole 53 is provided with a second valve 54.
In the present invention, the second liquid storage container 51 is used for storing bottom water, and the bottom water in the second liquid storage container 51 can be input into the second barrel 12 through the second peristaltic pump 52. Wherein the second peristaltic pump 52 may provide a steady adjustable bottom water drive rate for different bottom water injection locations such that the bottom water obtains sufficient power into the reservoir to jack oil out of the reservoir.
The working principle of the experimental device is as follows: the first tank 11 is filled with the collapsed stacked reservoir, and then surface water is added to the tank until the liquid level is flush with the upper end of the first tank 11, and the cover 20 is covered and screwed. According to the experimental conditions, an experimental oil of an amount required for weighing in advance is added into the first liquid storage container 41. The closure on each of the pressure tubes 33 is removed so that each of the side pressure roots is vented to atmosphere. The first valve 44 and the second valve 54 are opened, and the first peristaltic pump 40 and the second peristaltic pump 52 are respectively started to rotate forward, so that bottom water enters the second barrel 12 and is discharged from the first valve 44, and gas in the second hose 43 and the third hose 50 is discharged. The electronic balance is adjusted, the first liquid storage container 41 is placed on the electronic balance, one end of the second flexible pipe 43 far away from the first barrel body 11 is placed in the first liquid storage container 41, the first valve 44 and the second valve 54 are kept open, the first peristaltic pump 40 and the second peristaltic pump 52 are started to rotate reversely, the oil in the first liquid storage container 41 is pumped into the first barrel body 11 until the upper part of the first barrel body 11 is basically free of bubbles, and the first valve 44 and the second valve 54 are closed. The remaining oil was weighed with an electronic balance and recorded. The air inlet 35 on each pressure tube 33 is closed to ensure that the apparatus is in a sealed condition. A first liquid storage container 41 is replaced on the electronic balance, a second hose 43 is extended into the first liquid storage container 411-3cm, the data processing terminal 30 and the display screen 32 are started, the forward rotation pump speed of the first peristaltic pump 40 and the forward rotation pump speed of the second peristaltic pump 52 are consistent, the first peristaltic pump 40 and the second peristaltic pump 52 are started to forward rotate, a first valve 44 and a second valve 54 are opened, bottom water enters the second barrel 12, and extracted oil enters the first liquid storage container 41. The pressure values in the first barrel 11 and the second barrel 12 are read by the display screen 32, and the weighing information of the electronic platform and the pressure information in the first barrel 11 and the second barrel 12 are recorded and stored by adopting the data processing terminal 30 every fixed period.
In addition, the invention also provides a method for simulating the bottom water driven oil extraction of the collapse accumulation reservoir, in the method, limestone gravels are selected as raw material preparation raw material simulated collapse accumulation reservoir, wherein the limestone gravels are taken from the limestone gravels of a construction site, and the volume of the limestone gravels comprises: 10-20cm 2 、20-30cm 2 、30-40cm 2 、40-50cm 2 、50-60cm 2 、1000-2000cm 2 Wherein the volume is 1000-2000cm 2 Is used for simulating a shelter from limestone and broken stone. The method adopts limestone gravels with different volumes to simulate the layer thicknesses of layers with different limestone gravels with different gravels, and adopts large limestone gravels to simulate large-volume collapse materials in the stratum.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. An experimental device for simulating bottom water driven oil extraction of a collapse accumulation body is characterized by comprising a barrel body, a cover body (20), a bottom water driven power system, a fluid output metering system and a data acquisition system, wherein the barrel body is vertically arranged, a partition piece (14) is horizontally arranged in the barrel body, a plurality of first through holes (15) through which bottom water can pass are arranged on the partition piece (14), the partition piece (14) divides the barrel body into a first barrel body (11) and a second barrel body (12) which are independent from each other up and down, the cover body (20) is of a disc structure matched with the first barrel body (11), the cover body (20) is detachably arranged at the upper end of the first barrel body (11) so as to open or cover the upper end of the first barrel body (11), a third through hole (21) penetrating through the cover body up and down is arranged in the middle of the cover body (20), the fluid output metering system is connected with the third through holes (21) and is used for driving fluid output, metering and driving the bottom water is connected with the second barrel body (12) to the first power system and the second power system (12) for driving the bottom water to flow into the first barrel body (12) and the second power system (12) respectively, to collect the pressure values inside the first tub (11) and the second tub (12) and the weight of the fluid;
the data processing system comprises a data processing terminal (30) and a pressure acquisition unit, wherein the pressure acquisition unit is respectively communicated with the interiors of the first barrel body (11) and the second barrel body (12) and is used for acquiring the pressures in the first barrel body (11) and the second barrel body (12), and the data processing terminal (30) is connected with the pressure acquisition unit and the fluid output metering system;
the pressure acquisition unit comprises a circuit board (31), a display screen (32) and pressure measuring pipes (33), second through holes (17) communicated with the inside of the first barrel body (11) are formed in the first barrel body at intervals up and down, each second through hole (17) is connected with the pressure measuring pipe (33), one end, away from the second through hole (17), of each pressure measuring pipe (33) is electrically connected with the circuit board (31), the display screen (32) is electrically connected with the circuit board (31) and the data processing terminal (30), an air inlet (35) communicated with the inside of the pressure measuring pipe is formed in the pressure measuring pipe (33), and sealing pieces are detachably arranged at the air inlet (35) and used for closing and opening the air inlet (35);
the method comprises the steps of selecting limestone gravels as a preparation raw material to simulate collapse accumulation aggregate, simulating layer thicknesses of layers with different limestone gravels with different volumes and sizes, and simulating large-volume collapse objects in the stratum by using large-block limestone gravels.
2. An experimental device for simulating bottom water driven oil recovery of a collapsed storage reservoir according to claim 1, wherein the upper end of the spacer (14) is laid with a wire mesh (16).
3. An experimental device for simulating the bottom water driven oil recovery of a collapsed storage reservoir according to claim 1, wherein the fluid output metering system comprises a first peristaltic pump (40), a first liquid storage container (41) and a metering unit (42), the first peristaltic pump (40) is communicated with the third through hole (21) through a second hose (43), a first valve (44) is arranged at one end of the second hose (43) close to the third through hole (21), one end of the second hose (43) far away from the third through hole (21) is connected with the first liquid storage container (41), the first liquid storage container (41) is arranged on the metering unit (42), the metering unit (42) is electrically connected with the data processing terminal (30), and the metering unit (42) is used for detecting the weight of the first liquid storage container (41) and sending a signal to the data processing terminal (30).
4. The experimental device for simulating bottom water driven oil extraction of a collapse accumulation reservoir according to claim 1, wherein the bottom water driven power system comprises a third hose (50), a second liquid storage container (51) and a second peristaltic pump (52), a fourth through hole (53) communicated with the inside of the second barrel (12) is formed in the middle of the bottom of the second barrel, one end of the third hose (50) is detachably connected with the fourth through hole (53), the other end of the third hose (50) stretches into the second liquid storage container (51), the second peristaltic pump (52) is arranged on the third hose (50), and a second valve (54) is arranged on the third hose (50).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911394192.8A CN111101936B (en) | 2019-12-30 | 2019-12-30 | Experimental device for simulating bottom water drive oil extraction of collapse and accumulation reservoir |
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| CN201911394192.8A CN111101936B (en) | 2019-12-30 | 2019-12-30 | Experimental device for simulating bottom water drive oil extraction of collapse and accumulation reservoir |
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| CN111101936A CN111101936A (en) | 2020-05-05 |
| CN111101936B true CN111101936B (en) | 2023-06-30 |
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| CN106194164A (en) * | 2016-08-10 | 2016-12-07 | 中国石油天然气股份有限公司 | Bottom and edge water exploitation core experiment analogy method and device |
| CN108681638A (en) * | 2018-05-16 | 2018-10-19 | 中国地质大学（武汉） | A kind of bottom water sandstone oil reservoir Model of Horizontal Well physical simulation experiment construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2651527C (en) * | 2009-01-29 | 2012-12-04 | Imperial Oil Resources Limited | Method and system for enhancing a recovery process employing one or more horizontal wellbores |
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Inventor after: Hu Wenge Inventor after: Cao Fei Inventor after: Lv Yanping Inventor after: Yang Min Inventor after: Pan Lin Inventor after: Wang Xiao Inventor after: Wang Zhangheng Inventor before: Pan Lin Inventor before: Hu Wenge Inventor before: Yang Min Inventor before: Lv Yanping Inventor before: Wang Xiao Inventor before: Wang Zhangheng |
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Effective date of registration: 20230724 Address after: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC NORTHWEST OIL FIELD Co. Address before: 430000 Lu Mill Road, Hongshan District, Wuhan, Hubei Province, No. 388 Patentee before: CHINA University OF GEOSCIENCES (WUHAN CITY) |