CN111119806B - Method for simulating bottom water-driven oil extraction of collapsed and piled reservoir body - Google Patents
Method for simulating bottom water-driven oil extraction of collapsed and piled reservoir body Download PDFInfo
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- CN111119806B CN111119806B CN201911392865.6A CN201911392865A CN111119806B CN 111119806 B CN111119806 B CN 111119806B CN 201911392865 A CN201911392865 A CN 201911392865A CN 111119806 B CN111119806 B CN 111119806B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 218
- 238000000605 extraction Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000012530 fluid Substances 0.000 claims abstract description 51
- 238000009825 accumulation Methods 0.000 claims abstract description 15
- 235000019738 Limestone Nutrition 0.000 claims description 151
- 239000006028 limestone Substances 0.000 claims description 151
- 239000007788 liquid Substances 0.000 claims description 47
- 238000003860 storage Methods 0.000 claims description 27
- 230000002572 peristaltic effect Effects 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 9
- 239000003129 oil well Substances 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 50
- 238000004519 manufacturing process Methods 0.000 description 48
- 238000002474 experimental method Methods 0.000 description 26
- 239000004575 stone Substances 0.000 description 15
- 239000011521 glass Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000011550 stock solution Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002352 surface water 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
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005303 weighing 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
- 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
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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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Abstract
A method for simulating bottom water drive oil extraction of a collapsed accumulation body can simulate bottom water oil deposit development environments of various collapsed accumulation bodies and different oil wells, wherein the simulated collapsed accumulation bodies and prototypes achieve high oil deposit similarity with real reservoirs in fluid motion channels, reservoir properties, fluid motion forms, distribution of energy in a system, fluid mobility ratio and the like, the bottom water oil deposit development environments of different oil wells are simulated, convenience is brought to research of dynamic rules of oil deposit development, and the method has the advantages of short experimental period, high precision of simulation results and the like.
Description
Technical Field
The invention relates to the technical field of oil reservoir exploitation, in particular to a method for simulating bottom water driven oil extraction of a collapsed and piled reservoir body.
Background
In the development process of driving oil extraction by the bottom water of the collapsed and piled reservoir body, the control of the bottom water coning is particularly important. At present, due to the complexity of a reservoir structure with collapse and accumulation characteristics, the development of the reservoir is very difficult, so that the research on the coning law of the bottom water drive of a collapse and accumulation reservoir body has important guiding significance for guiding the development of the bottom water reservoir of the collapse and accumulation body. However, no feasible method for studying the coning law of the bottom water is available in the prior art.
Disclosure of Invention
In view of the above, the present invention provides a method for simulating bottom water driven oil production of a collapsed and piled reservoir.
The invention provides a method for simulating bottom water-driven oil extraction of a collapsed and piled reservoir body, which mainly comprises the following steps:
s1, selecting three limestone gravels with different volume specifications, namely a shelter, a small volume, a medium volume and a large volume, so as to simulate a collapsed and accumulated reservoir body;
s2, injecting 2400-;
and S3, inputting bottom water into the collapsed and piled reservoir body after the original geological reserves are injected at a driving speed of 10-60ml/min so as to simulate the process of driving oil extraction by the bottom water of the collapsed and piled reservoir body.
Wherein the collapsed and piled reservoir body is filled in the barrel body, the barrel body is vertically arranged, a partition is horizontally arranged in the barrel body, a plurality of first through holes for bottom water to pass through are arranged on the partition, the barrel body is divided into a first barrel body and a second barrel body which are mutually independent from top to bottom by the partition, the upper end of the first barrel body is detachably provided with a cover body, the cover body is used for opening or covering the upper end of the first barrel body, the middle part of the cover body is provided with a third through hole which penetrates through the cover body from top to bottom, the joint of the third through hole is connected with a fluid output metering system, the fluid output metering system is used for driving fluid output and metering output fluid, the bottom of the second barrel body is connected with a bottom water driving power system, the bottom water driving power system is used for conveying bottom water into the second barrel body, and the first barrel body, the second barrel body and the fluid output metering system are all connected with a data acquisition system, the data acquisition system is used for acquiring pressure values inside the first barrel body and the second barrel body and the weight of fluid.
Furthermore, the volume ratio of the small-volume, medium-volume and large-volume limestone macadam in the collapsed and piled reservoir body is 1: 1-5.
Further, according to the volume of a single limestone macadam, the volume of a single large limestone macadam in S1 is 2-4 times of the volume of a single medium limestone macadam, and the volume of a single medium limestone macadam is 1-4 times of the volume of a single small limestone macadam.
Further, the data processing system comprises a data processing terminal and a pressure acquisition unit, the pressure acquisition unit is respectively communicated with the inside of the first barrel body and the inside of the second barrel body and used for acquiring the pressure in the first barrel body and the pressure in the second barrel body, and the data processing terminal is connected with the pressure acquisition unit and the fluid output metering system.
Further, the pressure acquisition unit comprises a circuit board, a display screen and a pressure measuring pipe, second through holes communicated with the interior of the first barrel body are arranged on the first barrel body at intervals from top to bottom, each second through hole is connected with the pressure measuring pipe, one end, far away from the second through holes, of the pressure measuring 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 communicated with the interior of the pressure measuring pipe is arranged on the pressure measuring pipe, a sealing element is detachably mounted at the air inlet, and the sealing element is used for closing and opening the air inlet
Further, state fluid output measurement system and include first peristaltic pump, first stock solution container and metering unit, first peristaltic pump pass through the second hose with the third through-hole intercommunication, the second hose is close to the one end of third through-hole is equipped with first valve, and it keeps away from third through-hole one end with first stock solution container is connected, first stock solution container sets up on the metering unit, the metering unit with the data processing terminal electricity is connected, and it is used for detecting the weight of first stock solution container to with signal transmission to data processing terminal.
Further, bottom water drive driving system includes third hose, second stock solution container and second peristaltic pump, the bottom middle part of second staving is equipped with the fourth through-hole rather than inside intercommunication, the one end of third hose with the connection can be dismantled to the fourth through-hole, and its other end stretches into in the second stock solution container, the second peristaltic pump sets up on the third hose, be equipped with the second valve on the third hose.
Further, an iron wire net is laid at the upper end of the isolating piece.
The technical scheme provided by the invention has the beneficial effects that: the method for simulating the bottom water drive oil extraction of the collapsed accumulation body can simulate a plurality of different collapsed accumulation bodies and bottom water oil deposit development environments of different oil wells, wherein the simulated collapsed accumulation bodies and prototypes achieve high similarity with real reservoirs in fluid motion channels, reservoir properties, fluid motion forms and the like, the bottom water oil deposit development environments of different oil wells are simulated, the dynamic law of oil deposit development is convenient to research, and the method has the advantages of short experimental period, high simulation result precision and the like.
Drawings
FIG. 1 is a schematic structural diagram of an experimental device for simulating bottom water-driven oil production of a collapsed and piled reservoir body according to the invention;
FIG. 2 is a schematic structural view of the bucket body of the present invention;
FIG. 3 is a schematic view of the construction of the spacer and wire mesh of the present invention;
FIG. 4 is a schematic view of the structure of the test tube of the present invention;
fig. 5 is a flow chart of a method of simulating bottom water driven oil recovery of a collapsed reservoir according to the present invention.
Detailed Description
In order to make 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 to 4, an embodiment of the present invention provides an experimental apparatus for simulating bottom water driven oil production of a collapsing and accumulating reservoir, including 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 base 18 is arranged at a 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 barrel body is divided into a first barrel body 11 and a second barrel body 12 which are independent from each other up and down by the partition 14, the first barrel body 11 is used for accommodating the collapsing and accumulating reservoir, the second barrel body 12 is used for storing the bottom water, the cover body 20 is a disc structure matched with the first barrel body 11 and detachably mounted at an upper end of the first barrel body 11 to open or shield an upper end of the first barrel body 11, a third through hole 21 is arranged at a middle portion of the cover body 20, the fluid output metering system penetrates through the third through hole 21 and extends into the first barrel body 11 and is used for driving fluid to be output and metering and storing output fluid, the bottom water driving power system is connected with the bottom of the second barrel body 12 and is used for conveying bottom water into the second barrel body 12, and the data acquisition system is respectively connected with the first barrel body 11, the second barrel body 12 and the fluid output metering system and is used for acquiring pressure values inside the first barrel body 11 and the second barrel body 12 and the weight of the fluid.
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 oil reservoir can be observed and recorded conveniently. The partition 14 is a screen mesh, and the first through holes 15 are screen holes of the screen mesh, and the screen mesh plays a role in supporting the weight of the collapsed and piled reservoir body. Wherein, be equipped with iron stand 13 in the second staving 12, the upper end of iron stand 13 and the lower extreme laminating 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 sealing property when the cover 20 is connected with the first barrel 11, a sealing ring is coaxially arranged at the lower end of the cover 20.
Wherein, the internal diameter of staving is 280mm, the external diameter is 300mm, highly is 490mm, the wall thickness is 10mm, the height of first staving 11 is 380mm, the height of second staving 12 is 100mm, the thickness of separator is 10mm, the sieve mesh diameter is 6mm, the diameter of lid 20 is 350mm, thickness is 10mm, sealing washer diameter 320mm, thickness 3mm, the high 100mm of iron stand 13.
In the above embodiment, the wire mesh 16 is laid on the upper end of the separator 14, the wire mesh 14 has a shape matching the shape of the separator 14, and the wire mesh 16 is laid over the entire upper end surface of the separator 14, so that the bottom water can uniformly enter the collapsed reservoir.
In the above embodiment, the data processing system includes a data processing terminal 30 and a pressure acquisition unit, the first barrel 11 is provided with second through holes 17 at intervals up and down, each second through hole 17 is provided with the pressure acquisition unit, and the data processing terminal 30 is connected with the pressure acquisition unit and the fluid output metering system.
In the present invention, the data processing terminal 30 is a computer, and the computer has the advantages of fast signal receiving and processing speed, timely processing, fast response, etc.
In the above embodiment, the pressure collecting unit includes a circuit board 31, a display screen 32, and a pressure measuring tube 33 corresponding to the plurality of second through holes 17, a capillary glass tube 34 is disposed in each second through hole 17, the capillary glass tube 34 is fixed in the corresponding second through hole 17, one end of the capillary glass tube 34 passes through the corresponding second through hole 17 and extends out of the 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 figure), one end of the pressure measuring tube 33 is connected to the first hose installed at the corresponding second through hole 17, the other end of the pressure measuring tube 33 is electrically connected to the circuit board 31, the display screen 32 is electrically connected to the circuit board 31 and the data processing terminal 30, the pressure measuring tube 33 is provided with an air inlet 35 communicated with the inside thereof, and a sealing member (not shown in the figure) is detachably installed at the air inlet 35, the seal is used to close and open the air inlet 35.
In the present invention, the capillary glass tube 34 is made of organic glass material, and is used to connect the internal space of the first barrel 11 with the pressure measuring tube space, thereby measuring the pressure inside the first barrel 11. The pressure measuring tubes 33 are fixed by a fixing member (not shown in the figure), in the present invention, the fixing member is an organic glass plate, the pressure measuring tubes 33 measure the pressure by the compression condition of the air column in the pressure measuring tubes after the liquid is injected, and the pressure measuring tubes are converted by the circuit board 31 and then displayed on the display screen 32, and meanwhile, the collected pressure information is sent to the data processing terminal 30 through the circuit for recording and storing. In addition, in order to measure the pressure at the bottom of the collapsed accumulation body, the second barrel body 12 is provided with a second through hole 17, a capillary glass tube 34 is arranged in the second through hole 17, one end of the capillary glass tube 44 extends to a position close to the center of the partition 14, and the other end of the capillary glass tube passes through the second through hole 17, extends out of the second through hole 17 and is connected with a pressure measuring tube 33. The pressure acquisition unit has the advantages of high measurement speed, accurate measurement result and the like. The structure of the sealing element is not limited in the invention, and the structure capable of sealing the air inlet 35 in the prior art can be used as the specific embodiment of the sealing element in the invention, such as a plug, a bolt and the like. Wherein, the total length of the piezometric 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 5 mm.
In the above embodiment, the fluid output metering system includes 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, 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 extends into the first liquid storage container 41 by 1-2cm, the metering unit 42 is electrically connected to the data processing terminal 30, and a first valve 44 is disposed at one 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. oil), the oil replaced by the bottom water is input 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 to weigh the extracted 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 extracted oil. Wherein the first valve 44 has a length of 50mm and a diameter of 5 mm.
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 communicated with the inside of the second tub 12 is formed in the middle of the bottom of the second tub, 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 a second valve 54 is disposed at one end of the third hose 50 close to the corresponding fourth through hole 53.
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 body 12 by the second peristaltic pump 52. Wherein the second peristaltic pump 52 can provide a stable and adjustable bottom water driving speed for different bottom water injection positions, so that the bottom water obtains sufficient power to enter the reservoir and further push the oil out of the reservoir.
The working principle of the experimental device provided by the invention is as follows: the first tub 11 is filled with collapsed reservoir water, and then surface water is added to the tub until the surface of the water is flush with the upper end of the first tub 11, and the cover 20 is closed and tightened. According to the experimental conditions, a desired amount of experimental oil weighed in advance is added to the first reservoir 41. The closure member on each pressure measuring tube 33 is removed so that each side pressure leg is open to the 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 the bottom water enters the second barrel body 12 and is discharged from the first valve 44, and the 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, far away from the first barrel body 11, of the second hose 43 is placed into 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 reversely rotate, oil in the first liquid storage container 41 is pumped into the first barrel body 11, and the first valve 44 and the second valve 54 are closed until the upper portion of the first barrel body 11 is basically bubble-free. The remaining oil was weighed with an electronic balance and recorded. The air inlet 35 on each piezometric tube 33 is sealed, and the equipment is ensured to be in a sealed state. And (3) a first liquid storage container 41 is replaced on the electronic balance, a second hose 43 extends into a position 411-3cm from the first liquid storage container, the data processing terminal 30 and the display screen 32 are started, the pump speeds of forward rotation of the first peristaltic pump 40 and the second peristaltic pump 52 are adjusted to be consistent, the first peristaltic pump 40 and the second peristaltic pump 52 are started to rotate forward, the first valve 44 and the second valve 54 are opened, bottom water enters the second barrel body 12, and the extracted oil enters the first liquid storage container 41. The pressure values in the first barrel body 11 and the second barrel body 12 are read by the display screen 32, and the weighing information of the electronic platform and the pressure information in the first barrel body 11 and the second barrel body 12 are recorded and stored at regular intervals by the data processing terminal 30.
In addition, the invention also provides a method for simulating bottom water driven oil extraction of a collapsed and piled reservoir body, in the method, limestone macadam is selected as a preparation raw material to simulate the collapsed and piled reservoir body, wherein the limestone macadam is taken from the limestone macadam on a construction site, and the volume of the limestone macadam comprises the following steps: 10-20cm2、20-30cm2、30-40cm2、40-50cm2、50-60cm2、1000-2000cm2Wherein the selected volume is 1000-2000cm2The limestone macadam simulation shelter. The invention adopts limestone broken stones with different sizes to simulate the layer thickness of different limestone broken layer positions, and adopts large limestone broken stones to simulate large-size collapsed materials in the stratum. In the method, the coning law of bottom water driven oil extraction under different bottom water driving conditions is researched by acquiring the time for the bottom water coning into the bottom of the well, wherein the breaking through the bottom of the well refers to simulating the moment that the original geological reserve in the collapsed and piled reservoir is displaced by the bottom water (namely the moment that the liquid production amount rises suddenly). And the pressure environment information in the bottom water driven oil extraction process is obtained by obtaining the pressure of the collapsed and accumulated reservoir body in the experimental process.
Here, it should be noted that the original geological reserve described in the present method is crude oil stored in the collapsed pile reservoir, the pressure value referred to in each of the following examples is a measured average pressure value, and the liquid production amount indicates the amount of crude oil output from the first barrel 11. The method adopts surface water to simulate bottom water.
As shown in fig. 5, a method for simulating bottom water-driven oil production of a collapsed and piled reservoir by using the device mainly comprises the following steps:
s1, filling a first barrel body 11 with a collapse accumulation reservoir body composed of shelters, limestone gravels with different volume specifications and small, medium and large volumes, and covering a cover body 20, wherein the volume ratio of the three limestone gravels with the small, medium and large volumes in the collapse accumulation reservoir body is 1: 1-5, and according to the volume of a single limestone gravel, the volume of the single large limestone gravel is required to be 2-4 times of that of the single medium limestone gravel, and the volume of the single medium limestone gravel is 1-4 times of that of the single small limestone gravel, so as to form a simulated collapse accumulation reservoir body;
s2, injecting 2400-;
s3, setting the bottom water driving speed of the bottom water driving system to be 10-60ml/min, and respectively starting the bottom water driving system and the fluid output metering system, so that the process of driving oil extraction by the bottom water of the collapsed and piled reservoir body can be simulated.
< example 1>
The first barrel body 11 is filled with a volume of 20-30cm2The homogeneous small-volume limestone macadam is used for simulating a collapsed and piled reservoir body, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 60ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic law of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 60ml/min is obtained.
In this example, when the bottom water driving speed was 60ml/min, the sudden rise time of the liquid production amount obtained in the experiment was 35min after the start of the experiment, and the bottom water breakthrough pressure was 6384 Pa.
< example 2>
The first barrel body 11 is filled with a volume of 20-30cm2The homogeneous small-volume limestone macadam is used for simulating a collapsed and piled reservoir body, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 30ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic law of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 30ml/min is obtained.
In this example, when the bottom water driving speed was 30ml/min, the sudden rise time of the liquid production was 74min after the start of the experiment, and the bottom water breakthrough pressure was 4791 Pa.
< example 3>
The first barrel body 11 is filled with a volume of 20-30cm2The homogeneous small-volume limestone macadam is used for simulating a collapsed and piled reservoir body, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic law of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production amount was 151min after the start of the experiment, and the bottom water breakthrough pressure was 1974 Pa.
< example 4>
The first barrel body 11 is filled with a volume of 20-30cm2The homogeneous small-volume limestone macadam is used for simulating a collapsed and piled reservoir body, 3000ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 60ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic law of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 60ml/min is obtained.
In this example, when the bottom water driving speed was 60ml/min, the sudden rise time of the liquid production was 44min after the start of the experiment, and the pressure at the breakthrough of the bottom water was 6173 Pa.
< example 5>
The first barrel body 11 is filled with a volume of 20-30cm2The homogeneous small-volume limestone macadam is used for simulating a collapsed and piled reservoir body, 3000ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 30ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the collapsed and piled reservoir body can be obtained under the condition that the bottom water driving speed is 30ml/minDynamic law of production of bodies.
In this example, when the bottom water driving speed was 30ml/min, the sudden rise time of the liquid production was 81min after the start of the experiment, and the pressure at the time of bottom water breakthrough was 4912 Pa.
< example 6>
The first barrel body 11 is filled with a volume of 20-30cm2The homogeneous small-volume limestone macadam is used for simulating a collapsed and piled reservoir body, 3000ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic law of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production was 157min after the start of the experiment, and the bottom water breakthrough pressure was 2368 Pa.
< example 7>
The first barrel body 11 is filled with 20-30cm2The homogenized small-volume limestone macadam and the volume of the crushed limestone 40-50cm2The homogeneous medium-volume limestone macadam is used for simulating a collapsed and piled reservoir body, wherein the volume ratio of small-volume limestone macadam to medium-volume limestone macadam is 1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the upper layer of the first barrel body 11, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 60ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 60ml/min is obtained.
In this example, when the bottom water driving speed was 60ml/min, the sudden rise time of the liquid production amount obtained in the experiment was 32min after the start of the experiment, and the pressure at the time of bottom water breakthrough was 5834 Pa.
< example 8>
The first barrel body 11 is filled with 20-30cm2The homogenized small-volume limestone macadam and the volume of the crushed limestone 40-50cm2The homogeneous medium-volume limestone macadam is used for simulating a collapsed and piled reservoir body, wherein the volume ratio of small-volume limestone macadam to medium-volume limestone macadam is 1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the upper layer of the first barrel body 11, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 30ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 30ml/min is obtained.
In this example, when the bottom water driving speed was 30ml/min, the sudden rise time of the liquid production was 69min after the start of the experiment, and the pressure at the breakthrough of the bottom water was 4938 Pa.
< example 9>
The first barrel body 11 is filled with 20-30cm2The homogenized small-volume limestone macadam and the volume of the crushed limestone 40-50cm2The homogeneous medium-volume limestone macadam is used for simulating a collapsed and piled reservoir body, wherein the volume ratio of small-volume limestone macadam to medium-volume limestone macadam is 1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the upper layer of the first barrel body 11, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production was 146min after the start of the experiment, and the pressure at the breakthrough of the bottom water was 2159 Pa.
< example 10>
The first barrel body 11 is filled with 20-30cm2Homogeneous small volume limestoneCrushed stone and 40-50cm2The homogeneous medium-volume limestone macadam is used for simulating a collapsed and piled reservoir body, wherein the volume ratio of small-volume limestone macadam to medium-volume limestone macadam is 1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the upper layer of the first barrel body 11, 2850ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 60ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 60ml/min is obtained.
In this example, when the bottom water driving speed was 60ml/min, the sudden rise time of the liquid production was 35min after the start of the experiment, and the bottom water breakthrough pressure was 4837 Pa.
< example 11>
The first barrel body 11 is filled with 20-30cm2The homogenized small-volume limestone macadam and the volume of the crushed limestone 40-50cm2The homogeneous medium-volume limestone macadam is used for simulating a collapsed and piled reservoir body, wherein the volume ratio of small-volume limestone macadam to medium-volume limestone macadam is 1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the upper layer of the first barrel body 11, 2850ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 30ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 30ml/min is obtained.
In this example, when the bottom water driving speed was 30ml/min, the sudden rise time of the liquid production was 72min after the start of the experiment, and the pressure at the break of the bottom water was 4431 Pa.
< example 12>
The first barrel body 11 is filled with 20-30cm2The homogenized small-volume limestone macadam and the volume of the crushed limestone 40-50cm2To simulate a homogeneous medium volume limestone macadamThe volume ratio of small-volume limestone crushed stones to medium-volume limestone crushed stones is 1:1, the small-volume limestone crushed stones are laid on the bottom layer of the first barrel body 11, the medium-volume limestone crushed stones are laid on the upper layer of the first barrel body 11, 3000ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and accumulated reservoir body can be simulated, and the production dynamic law of the collapsed and accumulated reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production amount was 151min after the start of the experiment, and the bottom water breakthrough pressure was 2198 Pa.
< example 13>
The first barrel body 11 is filled with 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone macadam is 1:1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, the large-volume limestone macadam is laid on the upper layer of the first barrel body 11, the original geological reserve of 2500ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 60ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 60ml/min is obtained.
In this example, when the bottom water driving speed was 60ml/min, the sudden rise time of the liquid production amount was 30min after the start of the experiment, and the bottom water breakthrough pressure was 5497 Pa.
< example 14>
The first barrel body 11 is filled with 20-30cm2Homogeneous small-volume limestone macadam,40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of large-volume limestone crushed stones is 1:1:1, small-volume limestone crushed stones are laid on the bottom layer of the first barrel body 11, medium-volume limestone crushed stones are laid on the middle layer of the first barrel body 11, large-volume limestone crushed stones are laid on the upper layer of the first barrel body 11, 2500ml of original geological reserve is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 30ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled storage body can be simulated, and the production dynamic rule of the collapsed and piled storage body under the condition that the bottom water driving speed is 30ml/min is obtained.
In this example, when the bottom water driving speed was 30ml/min, the sudden rise time of the liquid production amount obtained in the experiment was 66min after the start of the experiment, and the pressure at the time of bottom water breakthrough was 3621 Pa.
< example 15>
The first barrel body 11 is filled with 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone macadam is 1:1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, the large-volume limestone macadam is laid on the upper layer of the first barrel body 11, the original geological reserve of 2500ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic rule of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production was 141min after the start of the experiment, and the bottom water breakthrough pressure was 2619 Pa.
< example 16>
The first barrel body 11 is filled with 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone macadam is 1:1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, the large-volume limestone macadam is laid on the upper layer of the first barrel body 11, the shielding object is laid in the large-volume limestone macadam, the original geological reserve of 2700ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 60ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsing and accumulating reservoir body can be simulated, and the production dynamic rule of the collapsing and accumulating reservoir body under the condition that the bottom water driving speed is 60ml/min is obtained.
In this example, when the bottom water driving speed is 60ml/min, the sudden rise time of the liquid production amount obtained by the experiment is 33min after the start of the experiment, and the pressure at the breakthrough of the bottom water is 4972 Pa.
< example 17>
The first barrel body 11 is filled with 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of large-volume limestone macadam is 1:1:1, small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, large-volume limestone macadam is laid on the upper layer of the first barrel body 11, shielding objects are laid in the large-volume limestone macadam, the original geological reserve is injected into the first barrel body 11 by 2700ml, the bottom water driving speed of the bottom water driving system is set to be 30ml/min, the bottom water driving system and the fluid output metering system are respectively started, and collapse accumulation and storage can be simulatedAnd in the process of body bottom water driven oil extraction, obtaining a production dynamic law of the collapsed and accumulated reservoir body under the condition that the bottom water driving speed is 30 ml/min.
In this example, when the bottom water driving speed was 30ml/min, the sudden rise time of the liquid production was 71min after the start of the experiment, and the bottom water breakthrough pressure was 3137 Pa.
< example 18>
The first barrel body 11 is filled with 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone macadam is 1:1:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, the large-volume limestone macadam is laid on the upper layer of the first barrel body 11, the shielding object is laid in the large-volume limestone macadam, the original geological reserve of 2700ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsing and accumulating reservoir body can be simulated, and the production dynamic rule of the collapsing and accumulating reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production amount obtained in the experiment was 146min after the start of the experiment, and the pressure at the time of bottom water breakthrough was 3159 Pa.
< example 19>
The first barrel body 11 is filled with shielding materials of 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone broken stones is 1:1:3, the small-volume limestone broken stones are laid on the bottom layer of the first barrel body 11, the medium-volume limestone broken stones are laid on the middle layer of the first barrel body 11, and the large-volume limestone broken stones areThe broken rock is laid on the upper layer of the first barrel body 11, the shielding object is laid in the large-volume limestone broken rock, the original geological storage amount of 2700ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsed and piled reservoir body can be simulated, and the production dynamic law of the collapsed and piled reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production was 137min after the start of the experiment, and the pressure at the breakthrough of the bottom water was 3943 Pa.
< example 20>
The first barrel body 11 is filled with shielding materials of 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2The homogeneous medium-volume limestone macadam and the mixture are 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone macadam is 1:3:1, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, the large-volume limestone macadam is laid on the upper layer of the first barrel body 11, the shielding object is laid in the large-volume limestone macadam, the original geological reserve of 2700ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsing and accumulating reservoir body can be simulated, and the production dynamic rule of the collapsing and accumulating reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production amount was 141min after the start of the experiment, and the bottom water breakthrough pressure was 3681 Pa.
< example 21>
The first barrel body 11 is filled with shielding materials of 20-30cm2The homogeneous small-volume limestone macadam is 40-50cm2Homogeneous medium volume limestone macadam of and 50-60cm2To simulate a collapsed pile reservoir, wherein small volume limestone macadam: medium-volume limestone macadam: the volume ratio of the large-volume limestone macadam is 1:5:5, the small-volume limestone macadam is laid on the bottom layer of the first barrel body 11, the medium-volume limestone macadam is laid on the middle layer of the first barrel body 11, the large-volume limestone macadam is laid on the upper layer of the first barrel body 11, the shielding object is laid in the large-volume limestone macadam, the original geological reserve of 2700ml is injected into the first barrel body 11, the bottom water driving speed of the bottom water driving system is set to be 15ml/min, the bottom water driving system and the fluid output metering system are respectively started, the bottom water driving oil extraction process of the collapsing and accumulating reservoir body can be simulated, and the production dynamic rule of the collapsing and accumulating reservoir body under the condition that the bottom water driving speed is 15ml/min is obtained.
In this example, when the bottom water driving speed was 15ml/min, the sudden rise time of the liquid production was 132min after the start of the experiment, and the pressure at the time of bottom water breakthrough was 4376 Pa.
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 purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A method for simulating bottom water-driven oil extraction of collapsed and piled reservoirs is characterized by mainly comprising the following steps:
s1, selecting limestone macadam and shelters with three different volume specifications of small volume, medium volume and large volume to simulate collapsed and accumulated reservoir bodies;
s2, injecting 2400-;
s3, inputting bottom water into the collapsed and piled reservoir body after the original geological reserves are injected at a driving speed of 10-60ml/min so as to simulate the process of driving oil extraction by the bottom water of the collapsed and piled reservoir body;
wherein, the collapse and accumulation reservoir body is filled in the barrel body, the barrel body is vertically arranged, a partition (14) is horizontally arranged in the barrel body, a plurality of first through holes (15) for bottom water to pass through 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 mutually independent from top to bottom, a cover body (20) is detachably arranged at the upper end of the first barrel body (11), the cover body (20) is used for opening or covering the upper end of the first barrel body (11), a third through hole (21) which penetrates through the cover body (20) from top to bottom is arranged in the middle of the cover body (20), the joint of the third through hole (21) is connected with a fluid output metering system which is used for driving fluid output and metering output fluid, and a bottom water driving power system is connected with the bottom of the second barrel body (12), the bottom water driving power system is used for conveying bottom water into the second barrel body (12), the first barrel body (11), the second barrel body (12) and the fluid output metering system are all connected with a data acquisition system, and the data acquisition system is used for acquiring pressure values inside the first barrel body (11) and the second barrel body (12) and the weight of fluid.
2. The method for simulating bottom water driven oil recovery of a collapsed and piled reservoir body as claimed in claim 1, wherein the volume ratio of three limestone gravels with small volume, medium volume and large volume in the collapsed and piled reservoir body is 1: 1-5.
3. The method for simulating bottom water driven oil recovery of a collapsed pile reservoir of claim 1, wherein the volume of a single large limestone macadam in S1 is 2-4 times the volume of a single medium limestone macadam according to the volume of the single limestone macadam.
4. A method for simulating collapsing and accumulating reservoir bottom water driven oil recovery as claimed in claim 1, wherein the data processing system comprises a data processing terminal (30) and a pressure collecting unit, the pressure collecting unit is communicated with the inside of the first barrel body (11) and the second barrel body (12) respectively for collecting the pressure in the first barrel body (11) and the second barrel body (12), the data processing terminal (30) is connected with the pressure collecting unit and the fluid output metering system respectively.
5. The method of simulating bottom water driven oil recovery of a collapsing reservoir according to claim 4, it is characterized in that the pressure acquisition unit comprises a circuit board (31), a display screen (32) and a pressure measuring pipe (33), second through holes (17) communicated with the interior of the first barrel body (11) are arranged at intervals from top to bottom, each second through hole (17) is connected with a pressure measuring pipe (33), one end of the pressure measuring pipe (33) far away from the second through hole (17) is electrically connected with the circuit board (31), the display screen (32) is respectively and electrically connected with the circuit board (31) and the data processing terminal (30), the piezometric tube (33) is provided with an air inlet (35) communicated with the interior thereof, and a sealing piece is detachably arranged at the air inlet (35) and is used for closing and opening the air inlet (35).
6. The method of simulating bottom water driven oil recovery of a collapsing reservoir according to claim 4, characterized in that 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), one end of the second hose (43) close to the third through hole (21) is provided with a first valve (44), one end of the first liquid storage container, which is 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), the weight of the first liquid storage container (41) is detected, and a signal is sent to the data processing terminal (30).
7. The method for simulating bottom water driven oil recovery of a collapsed and piled reservoir as claimed in claim 4, 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 body (12) is formed in the middle of the bottom of the second barrel body, one end of the third hose (50) is detachably connected with 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 arranged on the third hose (50), and a second valve (54) is arranged on the third hose (50).
8. A method of simulating bottom water driven oil recovery in a collapsed reservoir according to claim 4, characterised in that the upper end of the spacer (14) is laid with a wire mesh (16).
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002006794A1 (en) * | 2000-07-17 | 2002-01-24 | Institut Francais Du Petrole | Method for modelling fluid displacement in a porous environment taking into account hysteresis effects |
| CN102797458A (en) * | 2012-06-07 | 2012-11-28 | 中国石油大学(北京) | Three-dimensional simulation device for edge/bottom water reservoir |
| CN103615241A (en) * | 2013-12-10 | 2014-03-05 | 西南石油大学 | Fully-three-dimensional simulated visualized displacement simulation experiment system of fractured-vuggy oil reservoir |
| CN105178927A (en) * | 2015-10-28 | 2015-12-23 | 中国石油大学(北京) | Displacement simulation experimental device and system |
| CN105178926A (en) * | 2015-10-28 | 2015-12-23 | 中国石油大学(北京) | Fracture-cave carbonate reservoir physical model and displacement simulation experimental device and system |
| CN206694022U (en) * | 2017-04-28 | 2017-12-01 | 长江大学 | A kind of bottom water reservoir water energy three-dimensional physical simulation device |
| CN107905769A (en) * | 2017-11-21 | 2018-04-13 | 中国石油天然气股份有限公司 | Side, the more well production water enchroachment (invasion) physical simulation experiment system and method for bottomwater gas field |
| CN109519156A (en) * | 2018-11-01 | 2019-03-26 | 中海石油(中国)有限公司上海分公司 | A kind of side water sand rock gas reservoir water drive section model Seepage Experiment method |
| CN110067545A (en) * | 2019-04-30 | 2019-07-30 | 中国石油化工股份有限公司 | Evaluation system is replaced in inhomogeneous physical simulation and foam flooding for strong bottom water reservoir |
-
2019
- 2019-12-30 CN CN201911392865.6A patent/CN111119806B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002006794A1 (en) * | 2000-07-17 | 2002-01-24 | Institut Francais Du Petrole | Method for modelling fluid displacement in a porous environment taking into account hysteresis effects |
| CN102797458A (en) * | 2012-06-07 | 2012-11-28 | 中国石油大学(北京) | Three-dimensional simulation device for edge/bottom water reservoir |
| CN103615241A (en) * | 2013-12-10 | 2014-03-05 | 西南石油大学 | Fully-three-dimensional simulated visualized displacement simulation experiment system of fractured-vuggy oil reservoir |
| CN105178927A (en) * | 2015-10-28 | 2015-12-23 | 中国石油大学(北京) | Displacement simulation experimental device and system |
| CN105178926A (en) * | 2015-10-28 | 2015-12-23 | 中国石油大学(北京) | Fracture-cave carbonate reservoir physical model and displacement simulation experimental device and system |
| CN206694022U (en) * | 2017-04-28 | 2017-12-01 | 长江大学 | A kind of bottom water reservoir water energy three-dimensional physical simulation device |
| CN107905769A (en) * | 2017-11-21 | 2018-04-13 | 中国石油天然气股份有限公司 | Side, the more well production water enchroachment (invasion) physical simulation experiment system and method for bottomwater gas field |
| CN109519156A (en) * | 2018-11-01 | 2019-03-26 | 中海石油(中国)有限公司上海分公司 | A kind of side water sand rock gas reservoir water drive section model Seepage Experiment method |
| CN110067545A (en) * | 2019-04-30 | 2019-07-30 | 中国石油化工股份有限公司 | Evaluation system is replaced in inhomogeneous physical simulation and foam flooding for strong bottom water reservoir |
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