CN110617466A - Supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery - Google Patents

Supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery Download PDF

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Publication number
CN110617466A
CN110617466A CN201911007846.7A CN201911007846A CN110617466A CN 110617466 A CN110617466 A CN 110617466A CN 201911007846 A CN201911007846 A CN 201911007846A CN 110617466 A CN110617466 A CN 110617466A
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CN
China
Prior art keywords
generator
nozzle
cooling water
heavy oil
channel
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Pending
Application number
CN201911007846.7A
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Chinese (zh)
Inventor
王树众
徐海涛
李艳辉
蒋卓航
崔成超
任萌萌
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Xian Jiaotong University
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Xian Jiaotong University
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Publication date
Application filed by Xian Jiaotong University filed Critical Xian Jiaotong University
Priority to CN201911007846.7A priority Critical patent/CN110617466A/en
Publication of CN110617466A publication Critical patent/CN110617466A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/02Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using burners
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/243Combustion in situ
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B3/00Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
    • F22B3/08Other methods of steam generation; Steam boilers not provided for in other groups of this subclass at critical or supercritical pressure values

Abstract

The invention discloses a supercritical water heat combustion type steam generator for ultra-deep underground heavy oil thermal recovery. The head of the generator is provided with an electric heating rod for ensuring the supercritical water heat combustion reaction; the upper part of the generator comprises a primary combustion chamber and a secondary combustion chamber so as to ensure the sufficient supercritical hydrothermal combustion reaction of the fuel and the oxidant; the spray head and the reducing port at the lower part of the generator ensure that the parameters of the reaction product meet the requirements of the heavy oil exploitation of the oil field; the cooling water in the generator is used for ensuring that the generator does not exceed the temperature so as to protect the generator to safely operate. The device reduces the heavy oil exploitation cost, improves the heat utilization efficiency, prevents the discharge of pollutants, and realizes the efficient exploitation of deep and offshore oil reservoirs.

Description

Supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery
Technical Field
The invention belongs to the technical field of thickened oil exploitation and supercritical water, relates to a steam generator, and particularly relates to a supercritical hydrothermal combustion type steam generator for ultra-deep underground thickened oil thermal exploitation.
Background
Supercritical Water (SCW) is Water in a special state with a temperature and pressure higher than its critical point (T: 374.15 ℃, P: 22.12 MPa). In this state, only a small amount of hydrogen bonds exist in water, the dielectric constant is similar to that of an organic solvent, and the water has a low viscosity and a high diffusion coefficient. Organic matter and oxygen can be mutually dissolved with supercritical water according to any proportion, so that heterogeneous reaction is changed into homogeneous reaction, and mass transfer and heat transfer resistance among substances is greatly reduced.
The Supercritical Hydrothermal Combustion (SCHC) technology is a novel Combustion mode in which a fuel and an oxidant undergo a severe oxidation reaction in a Supercritical water environment to generate Hydrothermal flames.
At present, the exploitation method of the thick oil in the oil field mainly utilizes a steam injection boiler to generate steam on the ground, and the steam is injected into the well and combines three thick oil thermal exploitation technologies of steam huff and puff, steam flooding and steam assisted gravity drainage to exploit the thick oil, and the modes mainly have the following bottlenecks: the ground steam generator occupies a large area and cannot be arranged on an offshore oil exploitation platform with limited space, so that the exploitation of offshore heavy oil is limited; the heat loss is large. The smoke exhaust loss of the ground steam generator is about 20 percent, the heat loss of the ground gas pipeline is about 15 percent, the heat loss of the injected shaft is about 10 percent per kilometer, and the overall heat efficiency is low; the gas injection boiler can not avoid the pollution of the environment caused by the generation of smoke containing SOx and NOx; the depth of the recoverable reservoir is limited, and in the found heavy oil reservoir, the heavy oil reserves with the reservoir depth of more than 1700m account for about 40% of the reserved reserves. The application depth of the steam removal huff and puff reaches 1800 meters, and the steam flooding and steam assisted gravity drainage technology with higher recovery efficiency is mainly applied to oil reservoirs with the depth within 1200 meters.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the problems of huge heat loss, environmental pollution, limited mining cost higher than the mining depth and the like of the conventional technology for exploiting the heavy oil by generating steam by using a gas injection boiler, the invention aims to provide the supercritical hydrothermal combustion type steam generator for the thermal recovery of the heavy oil under the ultra-deep well, which can directly carry out ignition combustion under the well to generate steam and carbon dioxide, reduce the high cost caused by the heat loss such as steam transportation generated on the conventional ground, reduce the cost of a large amount of materials and land by using a small reactor relative to the gas injection boiler, realize the automatic adjustment of the pressure into the pressure required by the thermal recovery of the heavy oil under the well, avoid the environmental pollution caused by the smoke exhaust of the gas injection boiler and finally realize the mining work of the ultra-deep oil reservoir resources which can not be exploited by the conventional technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a supercritical water heat combustion type steam generator for super deep underground viscous crude thermal recovery, is including connecting gradually generator head 18, generator upper portion 19 and the generator lower part 25 of assembly, generator head 18 is the end cover structure, is provided with nozzle mouth 5 on it, is equipped with the nozzle that runs through generator head 18 in the nozzle mouth 5, the nozzle includes nozzle inner bag 3, nozzle shell 4 and ignition rod 1, and 3 lateral walls of nozzle inner bag are opened there is primary fuel entry 2, and open the bottom has a plurality of atomizing spouts, inserts nozzle inner bag 3 in the ignition rod 1, and 4 upper portions of nozzle shell are equipped with primary oxidant entry 15, and 4 below outsides of nozzle shell are nozzle single helical structure.
The inner area of the generator upper part 19 is formed by communicating an upper primary combustion chamber 10 with a lower secondary combustion chamber 11 through a throat assembly 23, the lower part of the secondary combustion chamber 11 is connected with a nozzle 13 positioned at a generator lower part 25, and the atomizing nozzle and the nozzle single-spiral structure are positioned at the upper part of the primary combustion chamber 10.
The generator head 18 is provided with a first pressure measuring port 7, a flame detecting port 6 and a first temperature measuring port 16 which are communicated with the primary combustion chamber 10, the upper part 19 or the lower part 25 of the generator is provided with a second temperature measuring port 24 communicated with the secondary combustion chamber 11, and the lower part 25 of the generator is provided with a second pressure measuring port 14 and a third temperature measuring port 26 which are communicated with the area below the spray head 13.
The spray head 13 is provided with a plurality of nozzles which are inclined downwards and form an angle of 45-80 degrees with the horizontal plane.
The primary combustor 10 is surrounded by a refractory assembly 20, and the refractory assembly 20 is made of one or more inorganic metals or non-metallic materials such as but not limited to silicon carbide, cermet, silicon nitride, etc. commercially available materials.
The side wall of the generator upper part 19 is provided with a secondary fuel/oxidant double channel 22, the generator head part 18 is provided with a secondary fuel inlet 8 and a secondary oxidant inlet 17 which are communicated with the secondary fuel/oxidant double channel 22, and the lower end of the secondary fuel/oxidant double channel 22 is inwards provided with a plurality of rows of secondary fuel/oxidant mixing outlets which are obliquely downward and communicated with the secondary combustion chamber 11.
Shower nozzle 13 sets up in generator lower part 25, the lateral wall of generator upper portion 19 is equipped with cooling water passageway 21 on, and cooling water passageway 21 is located the double-channel 22 outside of secondary fuel/oxidant, be equipped with the cooling water entry 9 with cooling water passageway 21 intercommunication on the generator head 18, the top lateral wall of generator lower part 25 is equipped with the cooling water passageway 12 under the cooling that is linked together with cooling water passageway 21, open the cooling water export that has connection shower nozzle 13 under the cooling water passageway 12 below.
The secondary fuel/oxidant double channel 22 is a double helix descending structure, and the cooling water upper channel 21 and the cooling water lower channel 12 are single helix descending structures.
The spiral planes of the secondary fuel/oxidant double channel 22, the cooling water upper channel 21 and the cooling water lower channel 12 form a angle of 10-45 degrees with the horizontal plane, and the secondary fuel/oxidant mixing outlet forms an angle of 45-80 degrees with the horizontal plane.
The bottom end of the lower part 25 of the generator is integrally of a contracted spray pipe structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) the supercritical water heat combustion type steam generator for the ultra-deep underground heavy oil thermal recovery disclosed by the invention can avoid more than 45% of heat loss generated by smoke exhaust and steam transmission pipelines of the steam generator by utilizing the supercritical water heat combustion technology to generate steam underground, so that the overall heat efficiency is improved, the device is compact and small in structure and can be placed underground, the steam generation process does not need to be generated by using a huge gas injection boiler on the ground, the investment cost and the land cost are effectively reduced, and the economical efficiency of the system is improved.
(2) The supercritical water heat combustion type steam generator for the ultra-deep underground heavy oil thermal recovery disclosed by the invention has the advantages that steam is generated underground by utilizing a supercritical water heat combustion technology, products are completely injected underground, and the inevitable toxic smoke exhaust SOx and NOx of a gas injection boiler cannot be discharged into the atmosphere, so that the environment is protected.
(3) The supercritical water heat combustion type steam generator for ultra-deep underground heavy oil thermal recovery is not limited by well depth, can be used for deep oil reservoirs, ultra-deep oil reservoirs and offshore oil reservoirs which are difficult to utilize in a conventional oil recovery process, and improves the utilization rate of oil reservoirs in oil fields.
Therefore, the supercritical hydrothermal combustion type steam generator for the ultra-deep underground heavy oil thermal recovery reduces the heavy oil recovery cost, improves the heat utilization efficiency, reduces the pollutant emission, is not limited by the recovery well depth, and realizes the high-efficiency recovery of deep and offshore oil reservoirs.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus of the present invention.
Wherein, 1 is an ignition rod, 2 is a primary fuel inlet, 3 is a nozzle liner, 4 is a nozzle shell, 5 is a nozzle opening, 6 is a flame detector opening, 7 is a pressure measuring opening, 8 is a secondary fuel inlet, 9 is a cooling water inlet, 10 is a primary combustion chamber, 11 is a secondary combustion chamber, 12 is a cooling water channel, 13 is a nozzle, 14 is a pressure measuring opening, 15 is a primary oxidant inlet, 16 is a temperature measuring opening, 17 is a secondary oxidant inlet, 18 is a generator head, 19 is a generator upper part, 20 is a refractory material, 21 is a cooling water channel, 22 is a secondary fuel/oxidant double channel, 23 is a throat assembly, 24 is a temperature measuring opening, 25 is a generator lower part, and 26 is a temperature measuring opening.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in FIG. 1, a supercritical water heat combustion type steam generator for ultra-deep downhole heavy oil thermal recovery comprises a main body part including a generator head part 18, a generator upper part 19 and a generator lower part 25 which are sequentially connected and assembled, wherein the interior of the generator upper part 19 is a main reaction zone and can be formed by communicating an upper primary combustion chamber 10 with a lower secondary combustion chamber 11 through a throat assembly 23, the primary combustion chamber 10 can be surrounded by a refractory assembly 20, and the refractory assembly 20 is made of one or more inorganic metals or non-metal materials such as but not limited to silicon carbide, cermet, silicon nitride and the like which are commercially available. The lower part 25 of the generator can be internally provided with a spray head 13, the spray head 13 is provided with a plurality of spray nozzles which are inclined downwards and form an angle of 45-80 degrees with the horizontal plane, and the whole bottom end of the lower part 25 of the generator can be of a contracted spray pipe structure.
The generator head 18 is an important structure of the invention, and takes the form of an end cover, the core structure of the generator head is a nozzle opening 5, and a nozzle which longitudinally penetrates through the generator head 18 and extends into a main reaction zone (when the generator head is divided into a primary combustion chamber 10 and a secondary combustion chamber 11, the nozzle extends into the primary combustion chamber 10) is arranged in the nozzle opening 5. Wherein the nozzle 5 can be preferably arranged at the central position of the generator head 18, the nozzle comprises a nozzle liner 3, a nozzle shell 4 and an ignition rod 1, the side wall of the nozzle liner 3 is provided with a primary fuel inlet 2, the bottom end of the nozzle liner is provided with a plurality of atomizing nozzles, the nozzle liner 3 is inserted into the ignition rod 1, the upper part of the nozzle shell 4 is provided with a primary oxidant inlet 15, and the outside below of the nozzle shell 4 is of a nozzle single-spiral structure. The lower part of the secondary combustion chamber 11 is connected with a nozzle 13 positioned at the lower part 25 of the generator, wherein the atomizing nozzle and the nozzle single spiral structure are positioned at the upper part of the main reaction zone (when the primary combustion chamber 10 and the secondary combustion chamber 11 are divided, the upper part of the primary combustion chamber 10 is positioned).
The side wall of the upper part 19 of the generator can be provided with a secondary fuel/oxidant double channel 22, the secondary fuel/oxidant double channel 22 can be of a double-helix descending structure, the helix plane and the horizontal plane form a 10-45 degree angle, meanwhile, the head part 18 of the generator is provided with a secondary fuel inlet 8 and a secondary oxidant inlet 17 which are communicated with the secondary fuel/oxidant double channel 22, the lower end of the secondary fuel/oxidant double channel 22 is inwards provided with a plurality of rows of secondary fuel/oxidant mixing outlets which are obliquely downwards communicated with the secondary combustion chamber 11, and the outlets and the horizontal plane form a 45-80 degree angle.
Furthermore, a cooling water upper channel 21 is arranged on the side wall of the generator upper part 19, the cooling water upper channel 21 is positioned outside a secondary fuel/oxidant double channel 22, a cooling water inlet 9 communicated with the cooling water upper channel 21 is arranged on the generator head part 18, a cooling water lower channel 12 communicated with the cooling water upper channel 21 through a vertical hole is arranged on the side wall above the generator lower part 25, and a cooling water outlet connected with a spray head 13 is formed below the cooling water lower channel 12. The cooling water upper channel 21 and the cooling water lower channel 12 can both be of a single spiral descending structure, and the spiral planes are 10-45 degrees to the horizontal plane.
Furthermore, the invention also comprises some means for realizing monitoring, namely, a pressure measuring port I7, a flame detecting port 6 and a temperature measuring port I16 which are communicated with the primary combustion chamber 10 are arranged on the generator head part 18, a temperature measuring port II 24 which is communicated with the secondary combustion chamber 11 is arranged on the generator upper part 19 or the generator lower part 25, and a pressure measuring port II 14 and a temperature measuring port III 26 which are communicated with the area below the spray head 13 are arranged on the generator lower part 25, thereby realizing the monitoring of the pressure and the temperature of the corresponding part.
According to the structure, the process flow of the invention is as follows:
a fuel water solution with a certain concentration under supercritical pressure enters a nozzle liner 3 through a primary fuel inlet 2, is heated by a heating rod 1 and then is sprayed into a primary combustion chamber 10 through an atomizing nozzle at the bottom end; oxidant under supercritical pressure enters the annular cavity of the nozzle shell 4 and the nozzle liner 3 through the primary oxidant inlet 15 and swirls through the spiral channel at the lower part to enter the primary combustion chamber 10 to be mixed with primary fuel, ignited and stably combusted, and high-temperature products of the reaction enter the secondary combustion chamber 11 through the throat assembly 23.
The other fuel water solution with a certain concentration under the supercritical pressure enters the double-spiral secondary fuel/oxidant double channel 22 through the secondary fuel inlet 8, the other oxidant under the supercritical pressure enters the secondary fuel/oxidant double channel 22 through the secondary oxidant inlet 17, the two streams flow to the lower end of the secondary fuel/oxidant double channel 22 through the spiral channels of different layers, the two streams flow into the secondary combustion chamber 11 through the secondary fuel/oxidant mixing outlet for secondary combustion, and the reaction product is sprayed into the lower part 25 of the generator through the nozzle which inclines downwards on the nozzle 13.
A stream of cooling water under supercritical pressure enters the single-screw cooling water upper passage 21 through the cooling water inlet 9, flows down through the single-screw, flows into the single-screw passage of the cooling water lower passage through a plurality of vertical holes opened in the cooling water lower passage 12, then enters the generator lower portion 25 to be mixed with the reaction product, and then the mixture flows out of the steam generator through the contraction jet.
In conclusion, the invention discloses a supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery, which comprises a generator head part, a generator upper part and a generator lower part. The head of the generator is provided with an electric heating rod for ensuring the supercritical water heat combustion reaction; the upper part of the generator comprises a primary combustion chamber and a secondary combustion chamber so as to ensure the sufficient supercritical hydrothermal combustion reaction of the fuel and the oxidant; the spray head and the reducing port at the lower part of the generator ensure that the parameters of the reaction product meet the requirements of the heavy oil exploitation of the oil field; the cooling water in the generator is used for ensuring that the generator does not exceed the temperature so as to protect the generator to safely operate. The device reduces the heavy oil exploitation cost, improves the heat utilization efficiency, prevents the discharge of pollutants, and realizes the efficient exploitation of deep and offshore oil reservoirs.
The above is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a supercritical water heat combustion type steam generator for super deep underground viscous crude thermal recovery, is including connecting gradually generator head (18), generator upper portion (19) and generator lower part (25) of assembly, generator head (18) are the end cover structure, are provided with nozzle mouth (5) on it, are equipped with the nozzle that runs through generator head (18) in nozzle mouth (5), its characterized in that, the nozzle includes nozzle inner bag (3), nozzle shell (4) and ignition stick (1), and nozzle inner bag (3) lateral wall is opened has primary fuel entry (2), and open the bottom has a plurality of atomizing spouts, inserts nozzle inner bag (3) in ignition stick (1), and nozzle shell (4) upper portion is equipped with primary oxidant entry (15), and nozzle shell (4) below outside is nozzle single spiral structure.
2. The supercritical hydrothermal combustion type steam generator for ultra-deep downhole heavy oil thermal recovery according to claim 1, characterized in that the inner region of the upper part (19) of the generator is formed by communicating an upper primary combustion chamber (10) with a lower secondary combustion chamber (11) through a throat assembly (23), the lower part of the secondary combustion chamber (11) is connected with a nozzle (13) located at the lower part (25) of the generator, and the atomizing nozzle and the nozzle single-spiral structure are both located at the upper part of the primary combustion chamber (10).
3. The supercritical water heating combustion type steam generator for ultra-deep downhole heavy oil thermal recovery according to claim 2, wherein the generator head (18) is provided with a first pressure measuring port (7), a flame detection port (6) and a first temperature measuring port (16) which are communicated with the primary combustion chamber (10), the generator upper part (19) or the generator lower part (25) is provided with a second temperature measuring port (24) which is communicated with the secondary combustion chamber (11), and the generator lower part (25) is provided with a second pressure measuring port (14) and a third temperature measuring port (26) which are communicated with the area below the spray head (13).
4. The supercritical water heating combustion type steam generator for ultra-deep downhole heavy oil thermal recovery according to claim 2, wherein the nozzle (13) is provided with a plurality of nozzles which are inclined downward at an angle of 45-80 ° to the horizontal plane.
5. The supercritical hydrothermal combustion type steam generator for ultra-deep downhole heavy oil thermal recovery as claimed in claim 2, characterized in that the primary combustion chamber (10) is surrounded by a refractory assembly (20).
6. The supercritical hydrothermal combustion type steam generator for ultra-deep downhole heavy oil thermal recovery as claimed in claim 2, wherein the side wall of the generator upper portion (19) is provided with a secondary fuel/oxidant dual channel (22), the generator head portion (18) is provided with a secondary fuel inlet (8) and a secondary oxidant inlet (17) which are communicated with the secondary fuel/oxidant dual channel (22), and the lower end of the secondary fuel/oxidant dual channel (22) is inwardly opened with a plurality of rows of secondary fuel/oxidant mixing outlets which are inclined downwards and communicated with the secondary combustion chamber (11).
7. The supercritical hydrothermal combustion type steam generator for ultra-deep downhole heavy oil thermal recovery according to claim 6, characterized in that the spray head (13) is disposed in the generator lower portion (25), the side wall of the generator upper portion (19) is provided with a cooling water upper channel (21), the cooling water upper channel (21) is located outside the secondary fuel/oxidant double channel (22), the generator head portion (18) is provided with a cooling water inlet (9) communicated with the cooling water upper channel (21), the top side wall of the generator lower portion (25) is provided with a cooling water lower channel (12) communicated with the cooling water upper channel (21), and a cooling water outlet connected with the spray head (13) is formed below the cooling water lower channel (12).
8. The supercritical hydrothermal combustion type steam generator for ultra-deep downhole heavy oil thermal recovery as claimed in claim 7, wherein the secondary fuel/oxidant dual channel (22) is of a double helix descent structure, and the cooling water upper channel (21) and the cooling water lower channel (12) are of a single helix descent structure.
9. The supercritical water thermal combustion type steam generator for ultra-deep downhole heavy oil thermal recovery according to claim 8, characterized in that the spiral planes of the secondary fuel/oxidant dual channel (22), the cooling water upper channel (21) and the cooling water lower channel (12) are all at 10-45 ° to the horizontal plane, and the secondary fuel/oxidant mixing outlet is at 45-80 ° to the horizontal plane.
10. Supercritical hydrothermal combustion type steam generator for heavy oil thermal recovery in ultra-deep well according to any of claims 1 to 9 characterized in that the bottom end of the generator lower part (25) is overall of a convergent nozzle structure.
CN201911007846.7A 2019-10-22 2019-10-22 Supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery Pending CN110617466A (en)

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CN201911007846.7A CN110617466A (en) 2019-10-22 2019-10-22 Supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery

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CN201911007846.7A CN110617466A (en) 2019-10-22 2019-10-22 Supercritical hydrothermal combustion type steam generator for ultra-deep underground heavy oil thermal recovery

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Cited By (12)

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CN112811567A (en) * 2021-01-20 2021-05-18 贵州航天朝阳科技有限责任公司 Supercritical water oxidation reaction device and control method
CN112850874A (en) * 2021-01-20 2021-05-28 贵州航天朝阳科技有限责任公司 Supercritical water oxidation reaction device
CN113685159A (en) * 2021-08-31 2021-11-23 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generating device and method with safety guarantee
CN113685158A (en) * 2021-08-31 2021-11-23 西安交通大学 Supercritical multi-element thermal fluid generating device capable of being directly used for thermal recovery of thick oil
CN113739137A (en) * 2021-08-31 2021-12-03 西安交通大学 Supercritical hydrothermal combustion device capable of realizing temperature control and pressure control
CN113756766A (en) * 2021-08-31 2021-12-07 西安交通大学 Supercritical hydrothermal combustion type downhole multi-element thermal fluid generator with self-regulated product pressure
CN113756767A (en) * 2021-08-31 2021-12-07 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generation system and method
CN113756771A (en) * 2021-08-31 2021-12-07 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generation system suitable for low-flash-point fuel
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CN112811567A (en) * 2021-01-20 2021-05-18 贵州航天朝阳科技有限责任公司 Supercritical water oxidation reaction device and control method
CN112850874A (en) * 2021-01-20 2021-05-28 贵州航天朝阳科技有限责任公司 Supercritical water oxidation reaction device
CN112811567B (en) * 2021-01-20 2022-06-03 贵州航天朝阳科技有限责任公司 Supercritical water oxidation reaction device and control method
CN112850874B (en) * 2021-01-20 2022-06-03 贵州航天朝阳科技有限责任公司 Supercritical water oxidation reaction device
CN113739137A (en) * 2021-08-31 2021-12-03 西安交通大学 Supercritical hydrothermal combustion device capable of realizing temperature control and pressure control
CN113756766A (en) * 2021-08-31 2021-12-07 西安交通大学 Supercritical hydrothermal combustion type downhole multi-element thermal fluid generator with self-regulated product pressure
CN113756767A (en) * 2021-08-31 2021-12-07 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generation system and method
CN113756771A (en) * 2021-08-31 2021-12-07 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generation system suitable for low-flash-point fuel
CN113756765A (en) * 2021-08-31 2021-12-07 西安交通大学 Multi-element thermal fluid generation system based on forced ignition type supercritical hydrothermal combustion device
CN113757652A (en) * 2021-08-31 2021-12-07 西安交通大学 Forced ignition type supercritical hydrothermal combustion device
CN113756764A (en) * 2021-08-31 2021-12-07 西安交通大学 Self-adaptive control supercritical hydrothermal combustion type multi-element thermal fluid generation system
CN113685158A (en) * 2021-08-31 2021-11-23 西安交通大学 Supercritical multi-element thermal fluid generating device capable of being directly used for thermal recovery of thick oil
CN113685159A (en) * 2021-08-31 2021-11-23 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generating device and method with safety guarantee
CN113757652B (en) * 2021-08-31 2022-06-07 西安交通大学 Forced ignition type supercritical hydrothermal combustion device
CN113685159B (en) * 2021-08-31 2022-06-21 西安交通大学 Supercritical hydrothermal combustion type multi-element thermal fluid generating device and method with safety guarantee
US20230068390A1 (en) * 2021-08-31 2023-03-02 Xi'an Jiaotong University Supercritical Hydrothermal Combustion Device

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