A high-efficiency, energy-saving, low-pollution, powerful fire-driven oil production system

Abstract

The present invention provides a high-efficiency, energy-saving, low-pollution, powerful fire-driven oil production system. The system includes an oxygen-generating device, a gas injection device, an oil production device, a power generation device, and a carbon dioxide recovery device; the oxygen-generating device is used to provide oxygen; the gas injection device is connected to the oxygen-generating device; the oil production device is used to produce the flowing material in the crude oil driving process, and the oil production device also includes a waste heat recovery device and a separation device connected in sequence, the waste heat recovery device is used to recover the waste heat of the flowing material, and the separation device is used to separate the crude oil, carbon dioxide and water in the flowing material after the waste heat is recovered; the power generation device is connected to the waste heat recovery device to use the waste heat for power generation, and the power generation device is electrically connected to the oxygen-generating device to provide the energy required in the oxygen production process; the carbon dioxide recovery device is connected to the separation device for recovering carbon dioxide. The above-mentioned fire-driven oil production system has the effects of high efficiency, low cost and environmental protection, and can be applied to the high-efficiency and low-cost oil production of various heavy oils, thin oils, and residual oils.

Description

Technical Field

[0001] The invention relates to the technical field of crude oil fire drive oil production, in particular to a high-efficiency, energy-saving, low-pollution, powerful fire drive oil production system. Background Art

[0002] The oil layer burning technology is also called underground combustion or in-layer combustion, also known as fire drive mining method, which is a thermal oil recovery technology that generates heat inside the oil layer. To be precise, it means injecting air or oxygen into the oil layer to react with organic fuel in the oil layer, and using the generated heat to help recover unburned crude oil. The oil layer burning technology is a thermal oil recovery method with obvious technical advantages and potential, and is the second largest technology for heavy oil recovery. It has the characteristics of high oil recovery efficiency, unit heat cost equivalent to steam, and wide range of reservoir adaptability (from thin oil layer to thick oil layer, from shallow oil layer to deep oil layer, from thin oil to heavy oil, and developed oil reservoirs).

[0003] The current fire-driven oil recovery technology has high energy consumption, high cost and serious pollution. Summary of the invention

[0004] The main purpose of the present invention is to provide a high-efficiency, energy-saving, low-pollution, powerful fire-driven oil production system to solve the problems of high energy consumption, high cost and serious pollution in the prior art fire-driven oil production technology.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided a high-efficiency, energy-saving, low-pollution, powerful fire-driven oil production system, which comprises: an oxygen production device for providing oxygen; a gas injection device connected to the oxygen production device for injecting oxygen into the oil reservoir to ignite the burning oil layer and drive the crude oil to flow; an oil production device for producing the flowing material in the crude oil driving process, the oil production device also comprising a waste heat recovery device and a separation device connected in sequence, the waste heat recovery device being used to recover the waste heat of the flowing material, and the separation device being used to separate the crude oil, carbon dioxide and water in the flowing material after the waste heat is recovered; a power generation device connected to the waste heat recovery device to use the waste heat recovered by the waste heat recovery device for power generation, and the power generation device is electrically connected to the oxygen production device to provide the energy required in the oxygen production process; and a carbon dioxide recovery device connected to the separation device for recovering carbon dioxide.

[0006] Furthermore, the separation device includes: a gas-liquid separator, which is connected to the waste heat recovery device and is provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet is connected to the carbon dioxide recovery device; an oil-water separator, which is connected to the liquid phase outlet and is provided with a crude oil outlet and a water phase outlet.

[0007] Furthermore, the carbon dioxide recovery device includes: a desulfurization device, connected to the gas phase outlet, for desulfurizing the gas discharged from the gas phase outlet; a compression and condensing device, which is connected to the desulfurization device and is also provided with a carbon dioxide gas outlet and a condensate oil gas outlet; and a first compression device, connected to the carbon dioxide gas outlet, for liquefying the carbon dioxide gas discharged from the carbon dioxide gas outlet.

[0008] Furthermore, the waste heat recovery device is a heat exchanger, and the heat exchanger is provided with an inlet for the material to be heat exchanged, an outlet for the material to be heat exchanged, a cooling medium inlet and a cooling medium outlet, and the inlet for the material to be heat exchanged is used to introduce flowing substances.

[0009] Furthermore, the power generation device includes: a power generation working fluid supply device, which is used to supply power generation working fluid, and the outlet of the power generation working fluid supply device is connected to the cooling medium inlet; a generator, which is provided with a power generation working fluid inlet, the power generation working fluid inlet is connected to the cooling medium outlet, and the generator is electrically connected to the oxygen production device.

[0010] Furthermore, the carbon dioxide recovery device includes a desulfurization device, a compression and condensing device and a first compression device. The desulfurization device is connected to the gas phase outlet and is used to desulfurize the gas discharged from the gas phase outlet. The compression and condensing device is connected to the desulfurization device, and the compression and condensing device is also provided with a carbon dioxide gas outlet and a condensate oil gas outlet. The first compression device is connected to the carbon dioxide gas outlet and is used to liquefy the carbon dioxide gas discharged from the carbon dioxide gas outlet; the power generation device also includes a heating unit, the heating unit is arranged on the pipeline between the cooling medium outlet and the power generation working fluid inlet, the heating unit is provided with a fuel inlet, and the fuel inlet is connected to the condensate oil gas outlet.

[0011] Furthermore, the heating unit is also provided with a combustion flue gas outlet; the compression condensing device is also provided with a combustion flue gas inlet, and the combustion flue gas inlet is connected to the combustion flue gas outlet.

[0012] Furthermore, the first compression device is also provided with a non-condensable gas outlet, which is connected to the gas injection device and is used to inject the non-condensable gas generated in the first compression device into the oil reservoir.

[0013] Furthermore, the gas injection device includes: a second compressor connected to the oxygen production device and used to compress oxygen; a gas injection well, the inlet of the gas injection well is connected to the second compressor and used to inject compressed oxygen into the oil reservoir; and an ignition device, the ignition device is used to ignite the burning oil layer.

[0014] Furthermore, the oil production device also includes a production well, which is used to produce flowing materials, and the outlet of the production well is connected to the waste heat recovery device.

[0015] By applying the technical solution of the present invention, a high-efficiency, energy-saving, low-pollution, powerful fire-driven oil production system is provided, which includes an oxygen-generating device, a gas injection device, an oil production device, a power generation device and a carbon dioxide recovery device; the oxygen-generating device is used to provide oxygen; the gas injection device is connected to the oxygen-generating device, and is used to inject oxygen into the oil reservoir to ignite the burning oil layer and drive the crude oil to flow; the oil production device is used to produce the flowing material in the crude oil driving process, and the oil production device also includes a waste heat recovery device and a separation device connected in sequence, the waste heat recovery device is used to recover the waste heat of the flowing material, and the separation device is used to separate the crude oil, carbon dioxide and water in the flowing material after the waste heat is recovered; the power generation device is connected to the waste heat recovery device to use the waste heat recovered by the waste heat recovery device for power generation, and the power generation device is electrically connected to the oxygen-generating device to provide the energy required in the oxygen production process; the carbon dioxide recovery device is connected to the separation device to recover carbon dioxide.

[0016] The above-mentioned fire-driven oil production system provided by the present invention uses an oxygen production device to produce oxygen, and then injects oxygen into the burning oil layer of the oil reservoir through a gas injection device, so that pure oxygen reacts with heavy components and coke of crude oil to release carbon dioxide, water and a large amount of heat, so that the temperature of the surrounding crude oil increases, the viscosity decreases rapidly, and flows to the oil production device under the driving action of water vapor, carbon dioxide and strong pressure. The flowing material produced by the oil production device is first reduced in temperature by a waste heat recovery device, and then the crude oil, carbon dioxide and water in the flowing material are separated by a separation device. The recovered waste heat can be provided to a power generation device for power generation, and then power is supplied to the oxygen production device for oxygen production. The separated carbon dioxide is recovered by a carbon dioxide recovery device, and water can be reinjected to form steam to drive the crude oil flow again.

[0017] The fire-driven oil production system provided by the present invention is used for strong fire-driven oil production, and the waste heat of the flowing material after crude oil driving is effectively used to generate electricity, the electric energy is used to produce oxygen, and the carbon dioxide is recovered. This effectively reduces the energy consumption in the fire-driven oil production process and reduces the production cost. At the same time, the fire-driven oil production system of the present invention has little or no emissions, which effectively solves the pollution problem of the current fire-driven oil production process. In short, the fire-driven oil production system provided by the present invention has the effects of high efficiency, low cost and environmental protection, and can be applied to high-efficiency and low-cost oil production of various heavy oils, thin oils, and residual oils. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0019] Figure 1 A schematic diagram of a fire drive oil production system according to an embodiment of the present invention is shown.

[0020] The above drawings include the following reference numerals:

[0021] 10. Oxygen production device; 20. Gas injection device; 21. Second compressor; 22. Gas injection well; 23. Ignition device; 30. Oil production device; 31. Waste heat recovery device; 32. Separation device; 33. Production well; 321. Gas-liquid separator; 322. Oil-water separator; 40. Power generation device; 41. Power generation medium supply device; 42. Generator; 43. Heating unit; 50. Carbon dioxide recovery device; 51. Desulfurization device; 52. Compression condensation device; 53. First compression device. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] The present application is further described in detail below in conjunction with specific embodiments. These embodiments should not be construed as limiting the scope of protection claimed in the present application.

[0024] As described in the background technology section, the fire drive oil recovery technology in the prior art has high energy consumption, high cost and serious pollution.

[0025] In order to solve this problem, the present invention provides a high-efficiency, energy-saving, low-pollution, powerful fire drive oil production system, such as Figure 1 As shown, it includes an oxygen production device 10, a gas injection device 20, an oil production device 30, a power generation device 40 and a carbon dioxide recovery device 50; the oxygen production device 10 is used to provide oxygen; the gas injection device 20 is connected to the oxygen production device 10, and is used to inject oxygen into the oil reservoir a to ignite the burning oil layer and drive the crude oil to flow; the oil production device 30 is used to produce the flowing material in the crude oil driving process, and the oil production device 30 also includes a waste heat recovery device 31 and a separation device 32 connected in sequence, the waste heat recovery device 31 is used to recover the waste heat of the flowing material, and the separation device 32 is used to separate the crude oil, carbon dioxide and water in the flowing material after the waste heat is recovered; the power generation device 40 is connected to the waste heat recovery device 31 to use the waste heat recovered by the waste heat recovery device 31 for power generation, and the power generation device 40 is electrically connected to the oxygen production device 10 to provide the energy required in the oxygen production process; the carbon dioxide recovery device 50 is connected to the separation device 32, and is used to recover carbon dioxide.

[0026] The above-mentioned fire-driven oil production system provided by the present invention uses the oxygen production device 10 to produce oxygen, and then injects the oxygen into the burning oil layer of the oil reservoir a through the gas injection device 20, so that the pure oxygen reacts with the heavy components and coke of the crude oil to release carbon dioxide, water and a large amount of heat, so that the temperature of the surrounding crude oil increases, the viscosity decreases rapidly, and flows to the oil production device 30 under the driving effect of water vapor, carbon dioxide and strong pressure. The flowing material produced by the oil production device 30 is first reduced in temperature by the waste heat recovery device 31, and then the crude oil, carbon dioxide and water in the flowing material are separated by the separation device 32. The recovered waste heat can be provided to the power generation device 40 for power generation, and then power is supplied to the oxygen production device 10 for oxygen production. The separated carbon dioxide is recovered by the carbon dioxide recovery device 50, and the water can be reinjected to form steam to drive the crude oil flow again.

[0027] The fire drive oil production system provided by the present invention is used for strong fire drive oil production, which effectively utilizes the waste heat of the flowing material after crude oil drive to generate electricity, and the electric energy is used to produce oxygen, and carbon dioxide is recovered. This effectively reduces the energy consumption in the fire drive oil production process and reduces the production cost. At the same time, the fire drive oil production system of the present invention has little or no emissions, which effectively solves the pollution problem in the current fire drive oil production process.

[0028] Preferably, the oxygen production device 10 is a VPSA oxygen production unit. It can directly use air as a raw material and use electrical energy to separate the air to produce oxygen. The oxygen production device has the advantages of high efficiency and energy saving. When the amount of oxygen used in fire drive is large, a cryogenic oxygen production device can also be used.

[0029] In a preferred embodiment, the separation device 32 includes a gas-liquid separator 321 and an oil-water separator 322. The gas-liquid separator 321 is connected to the waste heat recovery device 31, and the gas-liquid separator 321 is provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet is connected to the carbon dioxide recovery device 50; the oil-water separator 322 is connected to the liquid phase outlet, and the oil-water separator 322 is provided with a crude oil outlet and a water phase outlet.

[0030] In addition to crude oil, the flowing material generated during the crude oil driving process also contains a large amount of water vapor and carbon dioxide gas. After the waste heat is recovered by the waste heat recovery device 31, the water vapor is condensed into water. The carbon dioxide gas and the liquid phase formed by crude oil and water can be separated by the gas-liquid separator 321, and the crude oil and water in the liquid phase can be separated by the oil-water separator 322, and the crude oil is output to the crude oil gathering station.

[0031] Preferably, the oil-water separator 322 is provided with a crude oil outlet and a first water outlet, and the first water outlet leads to the burning oil layer. In this way, this part of water can be injected back into the oil layer to be further converted into water vapor to drive the flow of crude oil. And this can further reduce the emission of the system and reduce pollution.

[0032] In a preferred embodiment, Figure 1 As shown, the carbon dioxide recovery device 50 includes a desulfurization device 51, a compression condensation device 52 and a first compression device 53; the desulfurization device 51 is connected to the gas phase outlet, and is used to desulfurize the gas discharged from the gas phase outlet; the compression condensation device 52 is connected to the desulfurization device 51, and the compression condensation device 52 is also provided with a carbon dioxide gas outlet and a condensate oil gas outlet; the first compression device 53 is connected to the carbon dioxide gas outlet, and is used to liquefy the carbon dioxide gas discharged from the carbon dioxide gas outlet. In this way, the gas discharged from the gas phase outlet can be desulfurized by the desulfurization device 51 to further reduce the sulfur content in the carbon dioxide, the small amount of water and heavy hydrocarbons carried in the carbon dioxide gas can be compressed and condensed by the compression condensation device 52, and the purified carbon dioxide can be compressed and processed by the first compression device 53 to form a carbon dioxide product or for other purposes. It should be noted that in the compression and condensation process of the compression condensation device 52, water is precipitated first, and heavy hydrocarbons (condensate oil gas) are precipitated later, so this part of water and condensate oil gas can be separated. Preferably, this water is directed to the burning oil layer to be further converted into water vapor to drive the flow of crude oil.

[0033] In a preferred embodiment, the waste heat recovery device 31 is a heat exchanger, and the heat exchanger is provided with an inlet for the material to be heat exchanged, an outlet for the material to be heat exchanged, an inlet for the cooling medium, and an outlet for the cooling medium. The inlet for the material to be heat exchanged is used to pass the flowing material. The heat exchanger can be used to recover the waste heat of the flowing material by heat exchange. The cooling medium used can be water or directly a power generation medium, such as carbon dioxide, propane or Freon.

[0034] In a preferred embodiment, the power generation device 40 includes a power generation fluid supply device 41 and a generator 42. The power generation fluid supply device 41 is used to supply the power generation fluid, and the outlet of the power generation fluid supply device 41 is connected to the inlet of the cooling medium; the generator 42 is provided with a power generation fluid inlet, the power generation fluid inlet is connected to the outlet of the cooling medium, and the generator 42 is electrically connected to the oxygen production device 10. In this way, the waste heat of the high-temperature flowing material generated in the crude oil driving process can be used to directly heat the power generation fluid, and then the power generation fluid is used to generate electricity. In this way, this part of the oil production waste heat is more directly and effectively utilized, making the oil production system of the present invention more efficient and energy-saving. The above-mentioned generator 42 is preferably a steam turbine generator, which can directly use the high-voltage power generation fluid to drive the steam turbine to rotate, thereby driving the generator to generate electricity.

[0035] In a preferred embodiment, the carbon dioxide recovery device 50 includes a desulfurization device 51, a compression condensation device 52 and a first compression device 53; the desulfurization device 51 is connected to the gas phase outlet, and is used to desulfurize the gas discharged from the gas phase outlet; the compression condensation device 52 is connected to the gas phase outlet of the desulfurization device 51, and the compression condensation device 52 is also provided with a carbon dioxide gas outlet and a condensate oil gas outlet; the first compression device 53 is connected to the carbon dioxide gas outlet, and is used to liquefy the carbon dioxide gas discharged from the carbon dioxide gas outlet; the power generation device 40 also includes a heating unit 43, the heating unit 43 is arranged on the pipeline between the cooling medium outlet and the power generation medium inlet, the heating unit 43 is provided with a fuel inlet, and the fuel inlet is connected to the condensate oil gas outlet. In this way, this part of the condensate oil gas can be burned as fuel and further heat the power generation medium, thereby further improving resource utilization, reducing system energy consumption and reducing pollution.

[0036] Taking carbon dioxide as a power generation fluid as an example, during the specific operation process, carbon dioxide first absorbs the waste heat of the flowing material under the action of the heat exchanger to become a subcritical high-pressure gas, and then forms critical or supercritical high-pressure carbon dioxide for power generation under the heating of the condensate oil and gas combustion heat.

[0037] Preferably, a condensate oil recovery device is further provided between the fuel inlet and the condensate oil and gas outlet for temporarily storing the condensate oil and gas to further improve the operational stability of the system.

[0038] Preferably, the heating unit 43 is a high-pressure boiler, which is also provided with a combustion-supporting gas inlet, which is connected to the outlet of the oxygen production device 10. This can utilize pure oxygen to burn condensate oil gas to more efficiently produce high-pressure power generation working fluid for power generation. In addition, the high-pressure working fluid outlet of the high-pressure boiler can also be connected to each compressor and Roots blower to provide power. More preferably, the generator 42 is a steam turbine generator, which is also provided with a high-pressure gas outlet for discharging the power generation working fluid that completes the driving effect; the power generation device 40 also includes a condenser, an air cooler and a booster pump connected in sequence, and the condenser is connected to the high-pressure gas outlet, and the booster pump is connected to the power generation working fluid inlet. In this way, after completing the driving effect, the power generation working fluid can be condensed and pressurized for closed circulation without any emission.

[0039] In a preferred embodiment, the heating unit 43 is also provided with a combustion flue gas outlet for discharging the combustion flue gas of the condensate oil gas; the compression condensation device 52 is also provided with a combustion flue gas inlet, which is connected to the combustion flue gas outlet. In this way, the combustion flue gas of the condensate oil gas can be compressed and condensed at the same time, and after the water therein is separated, it can be compressed together with the carbon dioxide gas discharged from the gas phase outlet after desulfurization to form a carbon dioxide product or used for other purposes.

[0040] A small amount of non-condensable gas will be generated in the process of compressing carbon dioxide gas by the first compression device 53. In a preferred embodiment, the first compression device 53 is also provided with a non-condensable gas outlet, which is connected to the gas injection device 20 and is used to inject the non-condensable gas generated in the first compression device 53 into the oil reservoir. In this way, on the one hand, the non-condensable gas can be recycled to further reduce emissions, and on the other hand, the pure oxygen content in the oil reservoir can be adjusted to make the oil layer combustion more stable.

[0041] In a preferred embodiment, the gas injection device 20 includes a second compressor 21, a gas injection well 22, and an ignition device 23; the second compressor 21 is connected to the oxygen production device 10 for compressing oxygen; the inlet of the gas injection well 22 is connected to the second compressor 21 for injecting the compressed oxygen into the oil reservoir; the ignition device 23 is used to ignite and burn the oil layer. The oxygen produced by the oxygen production device 10 can be compressed by the second compressor 21, and the pressurized oxygen can be injected into the oil reservoir through the gas injection well 22, and then the oil layer can be burned under the ignition of the ignition device 23. In actual operation, it is preferred that the outlet of the first compression device 53 is connected to the gas injection well 22 so that carbon dioxide can be introduced into the oil layer as needed to adjust the oxygen content of the oil layer.

[0042] Preferably, the fire drive oil production system further comprises a gas storage tank, which is arranged on the pipeline between the second compressor 21 and the oxygen production device 10, for temporarily storing oxygen and improving the stability of gas injection. More preferably, a Roots blower is arranged between the second compressor 21 and the gas storage tank for blowing air. Roots blowers can also be selectively arranged on other gas circulation pipelines to improve gas flow efficiency, which can be understood by those skilled in the art and will not be repeated here.

[0043] In a preferred embodiment, the oil production device 30 further includes a production well 33, which is used to produce flowing materials, and the outlet of the production well 33 is connected to the waste heat recovery device 31. The flowing materials in the crude oil driving process can be produced in large quantities and stably by using the production well 33. There can be multiple production wells 33, which are distributed around the gas injection well 22, and use flowing materials.

[0044] Preferably, the fire drive oil production system further comprises an automatic control unit, which is electrically connected to the oxygen production device 10, the gas injection device 20, the oil production device 30, the power generation device 40 and the carbon dioxide recovery device 50. In this way, the production process of each component can be controlled and the whole process can be coordinated and controlled.

[0045] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0046] The fire-driven oil production system provided by the present invention adopts a unique, efficient and energy-saving process technology, and more preferably, through a modular design, there is no atmospheric pollution emission and carbon emission, no sewage discharge, and no pollution to the formation. It is currently a more environmentally friendly and energy-saving mining technology, and can meet the mining needs of most oil layers and various crude oils. In actual application scenarios, the fire-driven oil production system can be applied to heavy oil mining, residual oil mining, or replace ternary drive, polymer drive, steam drive, carbon dioxide drive and other oil production processes, and is typically applicable to oil areas that cannot be produced by other process technologies.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-efficiency, energy-saving, low-pollution, powerful fire-driven oil production system, characterized in that: include: An oxygen generator (10) for providing oxygen; A gas injection device (20), connected to the oxygen production device (10), used to inject oxygen into the oil reservoir to ignite the burning oil layer and drive the crude oil to flow; An oil production device (30) is used to produce flowing material in a crude oil driving process, the oil production device (30) further comprising a waste heat recovery device (31) and a separation device (32) connected in sequence, the waste heat recovery device (31) being used to recover waste heat of the flowing material, and the separation device (32) being used to separate crude oil, carbon dioxide and water from the flowing material after waste heat recovery; a power generation device (40) connected to the waste heat recovery device (31) so as to use the waste heat recovered by the waste heat recovery device (31) to generate electricity, and the power generation device (40) is electrically connected to the oxygen production device (10) so as to provide energy required in the oxygen production process; as well as a carbon dioxide recovery device (50), connected to the separation device (32), and used for recovering the carbon dioxide; The separation device (32) comprises: a gas-liquid separator (321) connected to the waste heat recovery device (31), the gas-liquid separator (321) being provided with a gas phase outlet and a liquid phase outlet, the gas phase outlet being connected to the carbon dioxide recovery device (50); an oil-water separator (322) connected to the liquid phase outlet, the oil-water separator (322) being provided with a crude oil outlet and a water phase outlet; The carbon dioxide recovery device (50) comprises: a desulfurization device (51), connected to the gas phase outlet, and used for desulfurizing the gas discharged from the gas phase outlet; a compression condensation device (52), connected to the desulfurization device (51), and the compression condensation device (52) is also provided with a carbon dioxide gas outlet and a condensate oil gas outlet, the compression condensation device (52) treats the gas desulfurized by the desulfurization device (51), compresses and condenses the water and condensate oil gas carried in the gas desulfurized by the desulfurization device (51) and precipitates them, and the precipitated water is led to the oil reservoir to be further converted into water vapor to drive the flow of crude oil; and a first compression device (53), connected to the carbon dioxide gas outlet, and used for liquefying the carbon dioxide gas discharged from the carbon dioxide gas outlet; the first compression device (53) is also provided with a non-condensable gas outlet, the non-condensable gas outlet is connected to the gas injection device (20), and is used for injecting the non-condensable gas generated in the first compression device (53) into the oil reservoir; The power generation device (40) further comprises a heating unit (43), wherein the heating unit (43) is provided with a fuel inlet, wherein the fuel inlet is connected to the condensate oil gas outlet and is used to burn the condensate oil gas as fuel and further heat the power generation medium.

2. The fire drive oil production system according to claim 1, characterized in that: The waste heat recovery device (31) is a heat exchanger, and the heat exchanger is provided with an inlet for a material to be heat exchanged, an outlet for a material to be heat exchanged, an inlet for a cooling medium, and an outlet for a cooling medium. The inlet for a material to be heat exchanged is used to allow the flowing material to pass through.

3. The fire drive oil production system according to claim 2, characterized in that: The power generation device (40) comprises: A power generation working fluid supply device (41) is used to supply power generation working fluid, and the outlet of the power generation working fluid supply device (41) is connected to the cooling medium inlet; The generator (42) is provided with a generator working medium inlet, the generator working medium inlet is connected to the cooling medium outlet, and the generator (42) is electrically connected to the oxygen production device (10).

4. The fire drive oil production system according to claim 3, characterized in that: The heating unit (43) is arranged on the pipeline between the cooling medium outlet and the power generation medium inlet.

5. The fire drive oil production system according to claim 4, characterized in that: The heating unit (43) is also provided with a combustion smoke outlet; the compression condensation device (52) is also provided with a combustion smoke inlet, and the combustion smoke inlet is connected to the combustion smoke outlet.

6. The fire drive oil production system according to claim 1, characterized in that: The gas injection device (20) comprises: a second compressor (21), connected to the oxygen production device (10), and used for compressing the oxygen; a gas injection well (22), the inlet of the gas injection well (22) being connected to the second compressor (21) for injecting the compressed oxygen into the oil reservoir; and An ignition device (23), wherein the ignition device (23) is used to ignite the burning oil layer.

7. The fire drive oil production system according to claim 1, characterized in that: The oil production device (30) further comprises a production well (33), wherein the production well (33) is used to produce the flowing material, and an outlet of the production well (33) is connected to the waste heat recovery device (31).

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