CN116906015A - Experimental method for improving petroleum recovery ratio by utilizing carbon dioxide microbubbles - Google Patents
Experimental method for improving petroleum recovery ratio by utilizing carbon dioxide microbubbles Download PDFInfo
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- CN116906015A CN116906015A CN202310982417.1A CN202310982417A CN116906015A CN 116906015 A CN116906015 A CN 116906015A CN 202310982417 A CN202310982417 A CN 202310982417A CN 116906015 A CN116906015 A CN 116906015A
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 43
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 43
- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 238000004391 petroleum recovery Methods 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 131
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000002699 waste material Substances 0.000 claims abstract description 19
- 239000002101 nanobubble Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 239000003208 petroleum Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003129 oil well Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000316887 Saissetia oleae Species 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- E21B43/164—Injecting CO2 or carbonated water
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention provides an experimental method for improving petroleum recovery efficiency by utilizing carbon dioxide microbubbles, and relates to the technical field of petroleum recovery. The experimental method for improving the petroleum recovery ratio by utilizing the carbon dioxide microbubbles comprises an experimental device for the experimental method, wherein the experimental device comprises a carbon dioxide gas filling bottle, a suction pump, a micro-nano bubble generator, a three-way valve, a first reaction kettle, a second reaction kettle, a third reaction kettle, an oil storage bottle, an oil well pump, a waste liquid bottle, a vacuum pump, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, a sixth pipeline, a seventh pipeline, an eighth pipeline and a ninth pipeline. Through setting up a plurality of reation kettle to place the simulation geology of different degree of depth in the inside of a plurality of reation kettle, still be provided with heating element in the reation kettle simultaneously, be convenient for reduce the error of experiment, make things convenient for the staff to accurately measure the displacement of reservoir oil effect of carbon dioxide microbubble, and then accurately learn the oil recovery ratio.
Description
Technical Field
The invention relates to the technical field of petroleum recovery, in particular to an experimental method for improving petroleum recovery rate by utilizing carbon dioxide microbubbles.
Background
Petroleum refers to gaseous, liquid and solid hydrocarbon mixtures, having natural production. Petroleum is also divided into forms such as crude oil, natural gas liquids, and natural tar. It is a viscous, dark brown liquid called "industrial blood". The upper part of the crust has petroleum storage. The main component is a mixture of various alkanes, cycloalkanes and aromatic hydrocarbons, and oil displacement substances such as carbon dioxide microbubbles are injected into geology in order to improve the recovery ratio in the recovery process of petroleum.
Because the petroleum is in the geology, the exploitation personnel cannot accurately know the oil displacement effect of the oil displacement substance, and thus cannot accurately know the petroleum recovery rate.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an experimental method for improving the oil recovery ratio by utilizing carbon dioxide microbubbles, and solves the problem that black scale generated after burning in a pot is difficult to remove.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: an experimental method for improving petroleum recovery by utilizing carbon dioxide microbubbles comprises an experimental device for the experimental method, wherein the experimental device comprises a carbon dioxide gas filling cylinder, a suction pump, a micro-nano bubble generator, a three-way valve, a first reaction kettle, a second reaction kettle, a third reaction kettle, an oil storage bottle, an oil pump, a waste liquid bottle, a vacuum pump, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, a sixth pipeline, a seventh pipeline, an eighth pipeline, a ninth pipeline, a tenth pipeline, an eleventh pipeline, a twelfth pipeline and a valve, the carbon dioxide gas filling cylinder is connected with a first interface of the three-way valve through the first pipeline, the suction pump and the micro-nano bubble generator are all arranged on the first pipeline, the suction pump is positioned at the left side of the micro-nano bubble generator, the oil storage bottle is connected with a second interface of the three-way valve through the third pipeline, the oil-well pump is arranged on a third pipeline, the second pipeline is connected on a third port of the three-way valve, the fourth pipeline is fixedly connected at the top of the first reaction kettle, the fifth pipeline is fixedly connected at the top of the second reaction kettle, the sixth pipeline is fixedly connected at the top of the third reaction kettle, the fourth pipeline, the fifth pipeline and the sixth pipeline are all connected with the second pipeline, the seventh pipeline is fixedly connected at the bottom of the first reaction kettle, the eighth pipeline is fixedly connected at the bottom of the second reaction kettle, the ninth pipeline is fixedly connected at the bottom of the third reaction kettle, the seventh pipeline, the eighth pipeline and the ninth pipeline are all fixedly connected with a tenth pipeline, the eleventh pipeline is fixedly connected at the top of the waste liquid bottle, the twelfth pipeline is fixedly connected at the top of the vacuum pump, the eleventh pipeline and the twelfth pipeline are all fixedly connected with the tenth pipeline, valves are arranged on the fourth pipeline, the fifth pipeline, the sixth pipeline, the seventh pipeline, the eighth pipeline, the ninth pipeline, the eleventh pipeline and the twelfth pipeline, heating components and simulated geology with different depths are arranged in the first reaction kettle, the second reaction kettle and the third reaction kettle respectively;
the experimental method for improving the petroleum recovery ratio by utilizing carbon dioxide microbubbles comprises the following specific steps:
s1, firstly opening valves on a seventh pipeline, an eighth pipeline, a ninth pipeline and a twelfth pipeline, then vacuumizing the first reaction kettle, the second reaction kettle and the third reaction kettle by a vacuum pump, and closing the valves on the seventh pipeline, the eighth pipeline, the ninth pipeline and the twelfth pipeline after vacuumizing;
s2, controlling the three-way valve to rotate so that the third pipeline is connected with the second pipeline, then opening upper valves of the fourth pipeline, the fifth pipeline and the sixth pipeline, starting the oil pump, conveying oil in the oil storage bottle into the first reaction kettle, the second reaction kettle and the third reaction kettle, closing the oil pump and closing the upper valves of the fourth pipeline, the fifth pipeline and the sixth pipeline when the first reaction kettle, the second reaction kettle and the third reaction kettle are fully filled, so that simulated geology in the first reaction kettle, the second reaction kettle and the third reaction kettle is soaked in the oil for 5-7 hours, and simultaneously starting the heating assembly to work;
s3, after soaking, valves on the seventh pipeline, the eighth pipeline, the ninth pipeline and the eleventh pipeline are opened, and petroleum in the first reaction kettle, the second reaction kettle and the third reaction kettle is discharged into a waste liquid bottle;
s4, controlling the three-way valve to rotate, enabling the first pipeline to be connected with the second pipeline, simultaneously opening upper valves of the fourth pipeline, the fifth pipeline and the sixth pipeline, starting the air pump to pump out carbon dioxide gas in the carbon dioxide gas filling bottle, changing the carbon dioxide gas into carbon dioxide microbubbles after passing through the micro-nano bubble generator, and finally entering the first reaction kettle, the second reaction kettle and the third reaction kettle for oil displacement, wherein all generated waste liquid flows into the waste liquid bottle;
s5, closing all valves and electric appliances after the experiment is finished, and taking out simulated geology in the first reaction kettle, the second reaction kettle and the third reaction kettle for detection.
Preferably, the three-way valve and the valve are electromagnetic valves.
Preferably, the air pump, the three-way valve, the oil pump, the vacuum pump, the valve and the heating component are all controlled by an external controller.
Preferably, the first reaction kettle, the second reaction kettle and the third reaction kettle are respectively provided with a temperature sensor and a pressure sensor, and the detection ends are respectively positioned in the first reaction kettle, the second reaction kettle and the third reaction kettle.
(III) beneficial effects
The invention provides an experimental method for improving petroleum recovery by utilizing carbon dioxide microbubbles. The beneficial effects are as follows:
according to the invention, the plurality of reaction kettles are arranged, simulated geology with different depths is placed in the plurality of reaction kettles, and meanwhile, the heating assembly is further arranged in the reaction kettles, so that the experimental error is reduced, the oil displacement effect of carbon dioxide microbubbles is conveniently and accurately measured by staff, and further the oil recovery ratio is accurately known.
Drawings
Fig. 1 is an overall schematic diagram of an experimental apparatus.
Wherein, 1, a carbon dioxide charging bottle; 2. an air extracting pump; 3. a micro-nano bubble generator; 4. a three-way valve; 5. a first reaction kettle; 6. a second reaction kettle; 7. a third reaction kettle; 8. an oil storage bottle; 9. an oil pump; 10. a waste liquid bottle; 11. a vacuum pump; 12. a first pipe; 13. a second pipe; 14. a third conduit; 15. a fourth conduit; 16. a fifth pipe; 17. a sixth conduit; 18. a seventh pipe; 19. an eighth conduit; 20. a ninth conduit; 21. a tenth pipe; 22. an eleventh conduit; 23. a twelfth duct; 24. and (3) a valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1, an embodiment of the present invention provides an experimental method for improving oil recovery using carbon dioxide micro-bubbles, including an experimental apparatus for the experimental method, the experimental apparatus including a carbon dioxide gas filling bottle 1, a suction pump 2, a micro-nano bubble generator 3, a three-way valve 4, a first reaction kettle 5, a second reaction kettle 6, a third reaction kettle 7, an oil storage bottle 8, an oil pump 9, a waste liquid bottle 10, a vacuum pump 11, a first pipe 12, a second pipe 13, a third pipe 14, a fourth pipe 15, a fifth pipe 16, a sixth pipe 17, a seventh pipe 18, an eighth pipe 19, a ninth pipe 20, a tenth pipe 21, an eleventh pipe 22, a twelfth pipe 23, and a valve 24, the micro-nano bubble generator 3 is a prior art technology, carbon dioxide is mainly manufactured into micro-bubbles, the carbon dioxide gas filling bottle 1 is mainly used for storing carbon dioxide, the carbon dioxide gas filling bottle 1 is connected with a first interface of the three-way valve 4 through a first pipeline 12, the air pump 2 and the micro-nano bubble generator 3 are arranged on the first pipeline 12, the air pump 2 is positioned at the left side of the micro-nano bubble generator 3, the oil storage bottle 8 is mainly used for storing petroleum, the oil storage bottle 8 is connected with a second interface of the three-way valve 4 through a third pipeline 14, the oil pump 9 is arranged on the third pipeline 14, the second pipeline 13 is connected on the third interface of the three-way valve 4, the fourth pipeline 15 is fixedly connected at the top of the first reaction kettle 5, the fifth pipeline 16 is fixedly connected at the top of the second reaction kettle 6, the sixth pipeline 17 is fixedly connected at the top of the third reaction kettle 7, the fourth pipeline 15, the fifth pipeline 16 and the sixth pipeline 17 are all connected with the second pipeline 13, the seventh pipeline 18 is fixedly connected at the bottom of the first reaction kettle 5, the eighth pipeline 19 is fixedly connected at the bottom of the second reaction kettle 6, the ninth pipeline 20 is fixedly connected to the bottom of the third reaction kettle 7, the seventh pipeline 18, the eighth pipeline 19 and the ninth pipeline 20 are fixedly connected with the tenth pipeline 21, the eleventh pipeline 22 is fixedly connected to the top of the waste liquid bottle 10, the waste liquid bottle 10 is mainly used for collecting waste liquid, the twelfth pipeline 23 is fixedly connected to the top of the vacuum pump 11, the vacuum pump 11 is mainly used for vacuumizing three reaction kettles, so that the three reaction kettles are in a negative pressure state, the subsequent filling of petroleum is facilitated, the eleventh pipeline 22 and the twelfth pipeline 23 are fixedly connected with the tenth pipeline 21, the fourth pipeline 15, the fifth pipeline 16, the sixth pipeline 17, the seventh pipeline 18, the eighth pipeline 19, the ninth pipeline 20, the eleventh pipeline 22 and the twelfth pipeline 23 are respectively provided with a valve 24, and the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 are respectively provided with heating components and simulation geology of different depths, wherein the heating components are mainly used for heating the three reaction kettles to generate heat for geology, the geology is used for reducing the temperature errors in the simulation, and the geology conditions of the three reaction kettles are more practical and the geology simulation conditions are more in the same depth simulation conditions;
the experimental method for improving the petroleum recovery ratio by utilizing carbon dioxide microbubbles comprises the following specific steps:
s1, firstly, opening valves 24 on a seventh pipeline 18, an eighth pipeline 19, a ninth pipeline 20 and a twelfth pipeline 23, and then, vacuumizing the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 by a vacuum pump 11, and closing the valves 24 on the seventh pipeline 18, the eighth pipeline 19, the ninth pipeline 20 and the twelfth pipeline 23 after vacuumizing;
s2, controlling the three-way valve 4 to rotate, enabling the third pipeline 14 to be connected with the second pipeline 13, then opening upper valves 24 of the fourth pipeline 15, the fifth pipeline 16 and the sixth pipeline 17, starting the oil pump 9, conveying oil in the oil storage bottle 8 into the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7, closing the oil pump 9 and closing the upper valves 24 of the fourth pipeline 15, the fifth pipeline 16 and the sixth pipeline 17 when the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 are full, enabling simulated geology inside the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 to be soaked in the oil for 5-7 hours, and enabling the heating assembly to start working at the same time, so that the oil is more fully contacted with the simulated geology;
s3, after soaking, valves 24 on a seventh pipeline 18, an eighth pipeline 19, a ninth pipeline 20 and an eleventh pipeline 22 are opened, and petroleum in the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 is discharged into the waste liquid bottle 10;
s4, controlling the three-way valve 4 to rotate, enabling the first pipeline 12 to be connected with the second pipeline 13, simultaneously opening upper valves 24 of the fourth pipeline 15, the fifth pipeline 16 and the sixth pipeline 17, starting the air pump 2 to pump out carbon dioxide gas in the carbon dioxide gas cylinder 1, changing the carbon dioxide gas into carbon dioxide microbubbles after passing through the micro-nano bubble generator 3, and finally enabling the carbon dioxide microbubbles to enter the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 for oil displacement, wherein all generated waste liquid flows into the waste liquid bottle 10;
and S5, closing all valves 24 and electric appliances after the experiment is finished, and taking out the simulated geology in the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 for detection.
The three-way valve 4 and the valve 24 are all electromagnetic valves, the air pump 2, the three-way valve 4, the oil pump 9, the vacuum pump 11, the valve 24 and the heating component are controlled by an external controller, the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7 are all provided with temperature sensors and pressure sensors, and detection ends are all positioned in the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An experimental method for improving petroleum recovery rate by utilizing carbon dioxide microbubbles is characterized in that: the experimental device comprises a carbon dioxide gas filling bottle (1), a suction pump (2), a micro-nano bubble generator (3), a three-way valve (4), a first reaction kettle (5), a second reaction kettle (6), a third reaction kettle (7), an oil storage bottle (8), an oil pump (9), a waste liquid bottle (10), a vacuum pump (11), a first pipeline (12), a second pipeline (13), a third pipeline (14), a fourth pipeline (15), a fifth pipeline (16), a sixth pipeline (17), a seventh pipeline (18), an eighth pipeline (19), a ninth pipeline (20), a tenth pipeline (21), an eleventh pipeline (22), a twelfth pipeline (23) and a valve (24), wherein the carbon dioxide gas filling bottle (1) is connected with a first interface of the three-way valve (4) through the first pipeline (12), the suction pump (2) and the micro-nano bubble generator (3) are all arranged on the first pipeline (12), the suction pump (2) is positioned on the left side of the micro-nano bubble generator (3), the oil storage bottle (8) is connected with the three-way valve (14) through the third pipeline (14), the second pipeline (13) is connected to the third interface of the three-way valve (4), the fourth pipeline (15) is fixedly connected to the top of the first reaction kettle (5), the fifth pipeline (16) is fixedly connected to the top of the second reaction kettle (6), the sixth pipeline (17) is fixedly connected to the top of the third reaction kettle (7), the fourth pipeline (15), the fifth pipeline (16) and the sixth pipeline (17) are all connected to the second pipeline (13), the seventh pipeline (18) is fixedly connected to the bottom of the first reaction kettle (5), the eighth pipeline (19) is fixedly connected to the bottom of the second reaction kettle (6), the ninth pipeline (20) is fixedly connected to the bottom of the third reaction kettle (7), the seventh pipeline (18), the eighth pipeline (19), the ninth pipeline (20) are all fixedly connected to the tenth pipeline (21), the eleventh pipeline (22) is fixedly connected to the top of the waste liquid bottle (10), the twelfth pipeline (23), the eighth pipeline (23), the tenth pipeline (23), the eighth pipeline (23) are fixedly connected to the tenth pipeline (21), and the tenth pipeline (17) Valves (24) are arranged on the ninth pipeline (20), the eleventh pipeline (22) and the twelfth pipeline (23), and heating assemblies and simulated geology with different depths are arranged in the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7);
the experimental method for improving the petroleum recovery ratio by utilizing carbon dioxide microbubbles comprises the following specific steps:
s1, firstly, opening valves (24) on a seventh pipeline (18), an eighth pipeline (19), a ninth pipeline (20) and a twelfth pipeline (23), then, vacuumizing a first reaction kettle (5), a second reaction kettle (6) and a third reaction kettle (7) by a vacuum pump (11), and closing the valves (24) on the seventh pipeline (18), the eighth pipeline (19), the ninth pipeline (20) and the twelfth pipeline (23) after vacuumizing;
s2, controlling the three-way valve (4) to rotate, enabling the third pipeline (14) to be connected with the second pipeline (13), then opening upper valves (24) of the fourth pipeline (15), the fifth pipeline (16) and the sixth pipeline (17), starting the oil pump (9), conveying petroleum in the oil storage bottle (8) into the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7), closing the oil pump (9) and closing the fourth pipeline (15), the fifth pipeline (16) and the ground valves (24) of the sixth pipeline (17) when the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7) are filled, enabling simulated geology inside the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7) to be soaked in the petroleum for 5-7 hours, and enabling the heating assembly to start working;
s3, after soaking, valves (24) on a seventh pipeline (18), an eighth pipeline (19), a ninth pipeline (20) and an eleventh pipeline (22) are opened, and petroleum in the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7) is discharged into a waste liquid bottle (10);
s4, controlling the three-way valve (4) to rotate, enabling the first pipeline (12) to be connected with the second pipeline (13), simultaneously opening upper valves (24) of the fourth pipeline (15), the fifth pipeline (16) and the sixth pipeline (17), starting the air pump (2) to extract carbon dioxide gas in the carbon dioxide gas filling bottle (1), changing the carbon dioxide gas into carbon dioxide microbubbles after passing through the micro-nano bubble generator (3), and finally entering the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7) for oil displacement, wherein all generated waste liquid flows into the waste liquid bottle (10);
s5, closing all valves (24) and electric appliances after the experiment is finished, and taking out the simulated geology in the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7) for detection.
2. An experimental method for enhanced oil recovery using carbon dioxide microbubbles according to claim 1, wherein: the three-way valve (4) and the valve (24) are electromagnetic valves.
3. An experimental method for enhanced oil recovery using carbon dioxide microbubbles according to claim 2, wherein: the air pump (2), the three-way valve (4), the oil pump (9), the vacuum pump (11), the valve (24) and the heating component are controlled by an external controller.
4. An experimental method for enhanced oil recovery using carbon dioxide microbubbles according to claim 1, wherein: the reaction device is characterized in that temperature sensors and pressure sensors are arranged on the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7), and detection ends are located inside the first reaction kettle (5), the second reaction kettle (6) and the third reaction kettle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310982417.1A CN116906015A (en) | 2023-08-04 | 2023-08-04 | Experimental method for improving petroleum recovery ratio by utilizing carbon dioxide microbubbles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310982417.1A CN116906015A (en) | 2023-08-04 | 2023-08-04 | Experimental method for improving petroleum recovery ratio by utilizing carbon dioxide microbubbles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823099A (en) * | 2024-03-05 | 2024-04-05 | 西南石油大学 | Carbon dioxide displacement of reservoir oil and sealing tool |
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2023
- 2023-08-04 CN CN202310982417.1A patent/CN116906015A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823099A (en) * | 2024-03-05 | 2024-04-05 | 西南石油大学 | Carbon dioxide displacement of reservoir oil and sealing tool |
| CN117823099B (en) * | 2024-03-05 | 2024-05-10 | 西南石油大学 | Carbon dioxide displacement of reservoir oil and sealing tool |
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