CN108590612A - A kind of super burn heater for oil shale in-situ cracking - Google Patents
A kind of super burn heater for oil shale in-situ cracking Download PDFInfo
- Publication number
- CN108590612A CN108590612A CN201810526710.6A CN201810526710A CN108590612A CN 108590612 A CN108590612 A CN 108590612A CN 201810526710 A CN201810526710 A CN 201810526710A CN 108590612 A CN108590612 A CN 108590612A
- Authority
- CN
- China
- Prior art keywords
- heater
- super burn
- fuel tank
- air
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004058 oil shale Substances 0.000 title claims abstract description 37
- 238000005336 cracking Methods 0.000 title claims abstract description 21
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 21
- 239000002828 fuel tank Substances 0.000 claims abstract description 33
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 4
- -1 annular battery Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 28
- 108091006146 Channels Proteins 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/241—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection combined with solution mining of non-hydrocarbon minerals, e.g. solvent pyrolysis of oil shale
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
Abstract
A kind of super burn heater for oil shale in-situ cracking, belong to oil shale in-situ cracking exploitation field, including heater fuel tank, annular battery, air impeller, air-fuel mixture room, spark plug, water jet, combustion chamber, spray chamber and thermometal centralizer etc., heater fuel tank is located at the shell middle and upper part of super burn heater, the outside of heater fuel tank is provided with gas pipeline, annular battery is mounted on the outside of heater fuel tank, air impeller is mounted on rolling bearing, and air impeller is arranged between heater fuel tank and air-fuel mixture room；Combustion chamber is located at below air-fuel mixture room；Spray chamber is located at below combustion chamber；Spark plug with annular battery by connecting；Spiral refrigerating channel is arranged on the housing exterior walls of super burn heater, and the top of spiral refrigerating channel is connected with conduit pipe, and bottom is provided with water jet；Thermometal centralizer is set in the lower part of super burn heater housings.The present invention improves oil shale situ downhole fracture quality and recovery ratio.
Description
Technical field
The invention belongs to oil shale in-situ cracking exploitation fields, being used for what oil shale in-situ cracked particularly with regard to a kind of
Super burn heater.
Background technology
Oil shale is referred to as the replacement resource of oil, and the method that oil shale in-situ cracking at present uses mainly has China Petroleum
A kind of air injection auxiliary super-viscous oil underground based on pit shaft heating mode of university Wang Yan equal propositions forever cracks modifying process, refers to
Patent application publication number " CN106499376A ", the technique combine the advantage of wellbore electric heating and air injection technique, can solve
The problems such as heat transfer type under certainly single wellbore electric heating pattern, single driving energy are insufficient, but the exploitation period of oil shale compared with
Long, blowing air can lead to shale oil oxidation emulsification, and on stratum, internal emulsification can cause pore communication to reduce, in addition the presence of air
It can aggravate oxidation corrosion oil and gas gathering pipeline, not be suitable for long period of development oil shale；Jilin University Sun You is macro etc. to propose one kind
Eddy heating for heating oil shale underground in situ recovery method, refers to patent application publication number " CN106437667A ", and this method energy has
It is high to imitate utilization rate, accelerates lysisin situ reaction rate, reduces water resources consumption and carbon emission, but that there are eddy heating for heating is non-uniform
Problem；Long Qiulian etc. proposes a kind of method carrying out transformation and exploitation in situ to oil shale using fluid, refers to patent application
Publication No. " CN106437657A " uses fluid heating oil shale can be with effective displacement oil gas product, but multilevel energy is converted
Cause energy loss serious, energy effective utilization is low.
Invention content
During cracking exploitation construction for oil shale in-situ, energy multi-level conversion causes effective rate of utilization low, heats
The problem of period length is effectively save resource and improves oil gas harvest efficiency, and the present invention provides the oil shale in-situ using tail gas
The super burn heater of cracking, the super burn heater reduce energy multi-level conversion, the oil shale in-situ that can effectively shorten cracking
Period improves the rate of oil and gas recovery.
The present invention adopts the following technical scheme that：A kind of super burn heater for oil shale in-situ cracking, feature exist
In：The super burn heater includes that heater fuel tank, spiral refrigerating channel, annular battery, rolling bearing, air impeller, oil gas are mixed
Room, spark plug, water jet, combustion chamber, spray chamber and thermometal centralizer are closed, the heater fuel tank is tapered, heater
Fuel tank is mounted on the enclosure interior of super burn heater, and positioned at the shell middle and upper part of super burn heater, the oil inlet of heater fuel tank
End is connect with oil pipeline, and the outside of heater fuel tank is provided with gas pipeline, the gas pipeline top and high pressure gas
Feed system connects；The annular battery is mounted on the outside of heater fuel tank, and is arranged below gas pipeline；It is described pneumatic
Turbine is mounted on rolling bearing, and air impeller is arranged between heater fuel tank and air-fuel mixture room；The combustion chamber is located at
Below air-fuel mixture room；The spray chamber is located at below combustion chamber；The spark plug is by being fixed on air-fuel mixture chamber interior walls
Conducting wire is connect with annular battery；The spiral refrigerating channel is arranged on the housing exterior walls of super burn heater, spiral refrigerating channel
Top be connected with conduit pipe, bottom is provided with water jet；The thermometal centralizer is set in super burn heater housings
Lower part.
The oil pipeline is the inner tube of double-walled oil pipe.
The oil pipeline is connect with ground fuel tank.
The high pressure gas feed system is air compressor.
The pressure of the high pressure gas is 6MPa~9MPa.
The super burn heater further includes flange and reinforces bolt, and the flange is arranged on the top of super burn heater, leads to
Flange cooperation reinforcing bolt is crossed to connect super burn heater with external pipe.
By above-mentioned design scheme, the present invention can bring following advantageous effect：The present invention provides one kind for oily page
The super burn heater of rock lysisin situ, combustion medium are input to heater fuel tank through oil pipeline, are pressed in air-fuel mixture room
Combustion, the high temperature nitrogen for generation of burning, carbon dioxide, vapor carry out lysisin situ to oil shale as heat medium, work as burning
Medium is when air-fuel mixture room can not be compression-ignited, and in combustion medium flowing in combustion chamber, annular battery and spark are used in combustion chamber
Plug electric discharge is lighted, and the tail gas for generation of burning is with the water of water jet ejection in the atomization hot fluid for forming atomization of spray chamber, atomization
Hot fluid heats oil shale formation and displacement oil gas product, reduce energy multi-level conversion, can effectively shorten oil shale original
Position lytic cycle, improves oil shale situ downhole fracture quality and recovery ratio.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description explanation does not constitute the improper restriction of the present invention, in the accompanying drawings for understanding the present invention：
Fig. 1 is a kind of structural schematic diagram of super burn heater for oil shale in-situ cracking of the embodiment of the present invention.
Reference numeral is as follows：9- double-walleds oil pipe, 91- outer tubes, 92- inner tubes, 10- conduit pipes, 15- reinforce bolt, 16- heat
Sensitized metal centralizer, the combustion chambers 17-, 18- spray chambers, 21- flanges, 22- heaters fuel tank, 23- spirals refrigerating channel, 24- rings
Shape battery, 25- rolling bearings, 26- air impellers, 27- air-fuel mixture rooms, 28- spark plugs, 29- water jets.
Specific implementation mode
With reference to embodiment and specific implementation mode, the present invention is described in further detail.But this should not be understood
It is only limitted to embodiment below for the range of subject matter of the present invention, it is all that this is belonged to based on the technology that the content of present invention is realized
The range of invention.In order to avoid obscuring the essence of the present invention, well known method, process, flow and element are chatted there is no detailed
It states.
The present invention proposes a kind of super burn heater for oil shale in-situ cracking, as shown in Figure 1, the super burn heater
Including heater fuel tank 22, spiral refrigerating channel 23, annular battery 24, rolling bearing 25, air impeller 26, air-fuel mixture room
27, spark plug 28, water jet 29, combustion chamber 17, spray chamber 18 and thermometal centralizer 16, the heater fuel tank 22 is in cone
Shape, heater fuel tank 22 are mounted on the enclosure interior of super burn heater, and positioned at the shell middle and upper part of super burn heater, heater
The oil inlet end of fuel tank 22 is connect with oil pipeline, and the oil pipeline is connect with ground fuel tank, in the outside of heater fuel tank 22
It is provided with gas pipeline, the gas pipeline top is connect with high pressure gas feed system, and the pressure of the high pressure gas is
6MPa~9MPa；The annular battery 24 is mounted on the outside of heater fuel tank 22, and is arranged below gas pipeline；The gas
Dynamic turbine 26 is mounted on rolling bearing 25, and air impeller 26 is arranged between heater fuel tank 22 and air-fuel mixture room 27；Institute
It states combustion chamber 17 and is located at 27 lower section of air-fuel mixture room；The spray chamber 18 is located at 17 lower section of combustion chamber；The spark plug 28 passes through
The conducting wire for being fixed on 27 inner wall of air-fuel mixture room is connect with annular battery 24；The setting of spiral refrigerating channel 23 is heated in super burn
On the housing exterior walls of device, the top of spiral refrigerating channel 23 is connected with conduit pipe 10, and bottom is provided with water jet 29；The heat
Sensitized metal centralizer 16 is set in the lower part of super burn heater housings.
The super burn heater further includes flange 21 and reinforces bolt 15, and the flange 21 is arranged on the top of super burn heater
End coordinates reinforcing bolt 15 to connect super burn heater with external pipe by flange 21.
When combustion medium is diesel oil, super burn heater and ground installation are connected using double-walled oil pipe 9, by oil pump by ground
The diesel oil of face fuel tank is delivered to the heater fuel tank 22 of underground super burn heater by inner passage, that is, inner tube 92 of double-walled oil pipe 9
In, while 6MPa~9MPa is compressed air to by air compressor, pressure-air is i.e. outer along the external channel of double-walled oil pipe 9
Pipe 92 is delivered to the air-fuel mixture room 27 of underground super burn heater through gas pipeline, and the fluxion strap of pressure-air moves air impeller 26
It is rotated around rolling bearing 25, twitches the diesel oil of heater fuel tank 22 to air-fuel mixture room 27 by pressure-air compression ignition.Burning production
Raw high temperature nitrogen, carbon dioxide, vapor carry out lysisin situ as heat medium to oil shale.When that can not be compression-ignited,
Diesel oil is mixed in air-fuel mixture room 27 with pressure-air, and the gas after mixing drains into combustion chamber 17 under pressure-air effect,
High pressure mixed gas is lighted using annular battery 24 and the electric discharge of spark plug 28, high pressure mixed gas burning discharges a large amount of heat pair
Super burn heater can form damage, therefore spiral refrigerating channel 23, the water on ground are arranged on the housing exterior walls of super burn heater
Water is extracted and is sent to spiral refrigerating channel 23 along conduit pipe 10 after filtering by pump, and convection current heat transfer is carried out to super burn heater,
In 23 bottom end of spiral refrigerating channel, water jet 29 is set, the water of ejection 18 in spray chamber in burnt and generate by high pressure mixed gas
Tail gas heating moment be atomized atomized hot fluid.After the hot fluid outflow super burn heater of atomization, pass through oil shale
Reservoir fracture enters and heating oil shale reservoir, and the presence of water can promote the cracking of oil shale, carbon dioxide that can improve oil shale
Cracking generates the displacement effect of oil gas, to improve the effective utility of laser power and oil gas harvest efficiency of oil shale cracking.
Super burn heater, combustion system are that diesel oil is compression-ignited in air-fuel mixture room 27, the high temperature nitrogen for generation of burning,
Carbon dioxide, vapor carry out lysisin situ as heat medium to oil shale.When that can not be compression-ignited, using annular battery 24
It is lighted with the electric discharge of spark plug 28.
Super burn heater, the fuel medium used can also use gasoline, natural gas etc. in addition to diesel oil.When using vapour
When oil, natural gas, ignition way is that annular battery 24 is lighted with the electric discharge of spark plug 28.
Claims (6)
1. a kind of super burn heater for oil shale in-situ cracking, it is characterised in that：The super burn heater includes heater oil
Case (22), spiral refrigerating channel (23), annular battery (24), rolling bearing (25), air impeller (26), air-fuel mixture room
(27), spark plug (28), water jet (29), combustion chamber (17), spray chamber (18) and thermometal centralizer (16), the heating
Device fuel tank (22) is tapered, and heater fuel tank (22) is mounted on the enclosure interior of super burn heater, and positioned at super burn heater
The oil inlet end of shell middle and upper part, heater fuel tank (22) is connect with oil pipeline, is provided in the outside of heater fuel tank (22)
Gas pipeline, the gas pipeline top are connect with high pressure gas feed system；The annular battery (24) is mounted on heater
The outside of fuel tank (22), and be arranged below gas pipeline；The air impeller (26) is mounted on rolling bearing (25), pneumatically
Turbine (26) is arranged between heater fuel tank (22) and air-fuel mixture room (27)；The combustion chamber (17) is located at air-fuel mixture room
(27) lower section；The spray chamber (18) is located at below combustion chamber (17)；The spark plug (28) is by being fixed on air-fuel mixture room
(27) conducting wire of inner wall is connect with annular battery (24)；The spiral refrigerating channel (23) is arranged outside the shell of super burn heater
On wall, the top of spiral refrigerating channel (23) is connected with conduit pipe (10), and bottom is provided with water jet (29)；The temperature-sensitive gold
Belong to the lower part that centralizer (16) is set in super burn heater housings.
2. a kind of super burn heater for oil shale in-situ cracking according to claim 1, it is characterised in that：It is described defeated
Oil-piping is the inner tube (92) of double-walled oil pipe (9).
3. a kind of super burn heater for oil shale in-situ cracking according to claim 1 or 2, it is characterised in that：Institute
Oil pipeline is stated to connect with ground fuel tank.
4. a kind of super burn heater for oil shale in-situ cracking according to claim 1, it is characterised in that：The height
Pressure gas supply system is air compressor.
5. a kind of super burn heater for oil shale in-situ cracking according to claim 1 or 4, it is characterised in that：Institute
The pressure for stating high pressure gas is 6MPa~9MPa.
6. a kind of super burn heater for oil shale in-situ cracking according to claim 5, it is characterised in that：It is described super
Combustion heater further includes flange (21) and reinforces bolt (15), and the flange (21) is arranged on the top of super burn heater, passes through
Flange (21) cooperation reinforces bolt (15) and connect super burn heater with external pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526710.6A CN108590612B (en) | 2018-05-29 | 2018-05-29 | Super-combustion heater for in-situ cracking of oil shale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526710.6A CN108590612B (en) | 2018-05-29 | 2018-05-29 | Super-combustion heater for in-situ cracking of oil shale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590612A true CN108590612A (en) | 2018-09-28 |
| CN108590612B CN108590612B (en) | 2023-12-22 |
Family
ID=63629840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810526710.6A Active CN108590612B (en) | 2018-05-29 | 2018-05-29 | Super-combustion heater for in-situ cracking of oil shale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590612B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077660A1 (en) * | 2019-10-22 | 2021-04-29 | 西安交通大学 | Supercritical hydrothermal combustion-type downhole steam generator for heavy oil thermal recovery |
| CN115095306A (en) * | 2022-06-14 | 2022-09-23 | 中国石油大学(华东) | Oil shale air/CO 2 Alternate injection in-situ combustion method and application |
| CN115434684A (en) * | 2022-08-30 | 2022-12-06 | 中国石油大学(华东) | Air displacement device for fracturing oil shale |
| CN115095306B (en) * | 2022-06-14 | 2024-04-30 | 长江大学 | Oil shale air/CO2Alternate injection in-situ combustion method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301866A (en) * | 1980-02-08 | 1981-11-24 | Occidental Oil Shale, Inc. | Method and apparatus for igniting an in situ oil shale retort |
| CN101275741A (en) * | 2007-03-26 | 2008-10-01 | 靳宇男 | Pulse vector high-pressure burner |
| CN108442914A (en) * | 2018-05-29 | 2018-08-24 | 吉林大学 | A kind of system and method for oil shale in-situ cracking |
| CN208619096U (en) * | 2018-05-29 | 2019-03-19 | 吉林大学 | A kind of super burn heater for oil shale in-situ cracking |
-
2018
- 2018-05-29 CN CN201810526710.6A patent/CN108590612B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301866A (en) * | 1980-02-08 | 1981-11-24 | Occidental Oil Shale, Inc. | Method and apparatus for igniting an in situ oil shale retort |
| CN101275741A (en) * | 2007-03-26 | 2008-10-01 | 靳宇男 | Pulse vector high-pressure burner |
| CN108442914A (en) * | 2018-05-29 | 2018-08-24 | 吉林大学 | A kind of system and method for oil shale in-situ cracking |
| CN208619096U (en) * | 2018-05-29 | 2019-03-19 | 吉林大学 | A kind of super burn heater for oil shale in-situ cracking |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077660A1 (en) * | 2019-10-22 | 2021-04-29 | 西安交通大学 | Supercritical hydrothermal combustion-type downhole steam generator for heavy oil thermal recovery |
| CN115095306A (en) * | 2022-06-14 | 2022-09-23 | 中国石油大学(华东) | Oil shale air/CO 2 Alternate injection in-situ combustion method and application |
| CN115095306B (en) * | 2022-06-14 | 2024-04-30 | 长江大学 | Oil shale air/CO2Alternate injection in-situ combustion method and application |
| CN115434684A (en) * | 2022-08-30 | 2022-12-06 | 中国石油大学(华东) | Air displacement device for fracturing oil shale |
| CN115434684B (en) * | 2022-08-30 | 2023-11-03 | 中国石油大学(华东) | Air displacement device for oil shale fracturing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108590612B (en) | 2023-12-22 |
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