CN116122782A - CO (carbon monoxide) 2 Cold collection and auxiliary steam huff and puff equipment - Google Patents
CO (carbon monoxide) 2 Cold collection and auxiliary steam huff and puff equipment Download PDFInfo
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- CN116122782A CN116122782A CN202211656306.3A CN202211656306A CN116122782A CN 116122782 A CN116122782 A CN 116122782A CN 202211656306 A CN202211656306 A CN 202211656306A CN 116122782 A CN116122782 A CN 116122782A
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000009747 swallowing Effects 0.000 claims abstract description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 abstract description 28
- 238000005065 mining Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 13
- 239000010779 crude oil Substances 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 238000000605 extraction Methods 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000000295 fuel oil Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000002309 gasification Methods 0.000 description 4
- 208000009084 Cold Injury Diseases 0.000 description 3
- 230000002595 cold damage Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/164—Injecting CO2 or carbonated water
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses CO 2 The cold extraction and auxiliary steam huff and puff equipment comprises a steam tank, a pressurized cold injection structure, a liquefaction tank and a support, wherein the steam tank and the pressurized cold injection structure are fixedly arranged on the support, a steam swallowing and spitting port and a huff and puff pipeline are arranged on the steam tank, and the pressurized cold injection structure comprises an air inlet, a liquid inlet and a liquid spraying port; the application makes full use of the steam generated in the auxiliary steam huff and puff process to make the auxiliary steam huff and puff process capable of mixing CO 2 Liquid CO in cold recovery process 2 The pressurized injection can not only improve the liquid CO 2 The radius of the fusion influence on crude oil can be realized, the non-stop work of a steam heating facility can be realized, the heat efficiency and the energy utilization rate are ensured, the exploitation efficiency can be improved, and the auxiliary CO (carbon monoxide) can be assisted by steam throughput at any time 2 And the environment in the shaft is stable due to cold mining, and stable steam throughput of multiple rounds is ensured.
Description
Technical Field
The present application relates to CO 2 The exploitation field, in particular to a CO 2 Cold recovery and auxiliary steam huff and puff equipment.
Background
CO 2 Is very easy to be dissolved in thick oil, CO 2 The exploitation can be generally divided into cold exploitation and hot exploitation, and under the formation temperature and formation pressure conditions, 1t of liquid CO 2 Can produce 480m3 of gas CO 2 It is thick at cold recoveryGood affinity between oils is an important mechanism to enhance the recovery. CO 2 The liquid can realize cold recovery of crude oil by expanding stratum crude oil, improving the fluidity of crude oil, forming dissolved gasoline, extracting and vaporizing light hydrocarbon in crude oil. CO 2 The cold recovery technology mainly uses common heavy oil type I oil reservoir and extra heavy oil reservoir with heavy oil viscosity lower than 20000 Pa.s (under stratum temperature), and the application has the following problems that 1) for crude oil with viscosity higher than 6000Pa.s of dehydrated and degassed crude oil under stratum condition, CO 2 The cold mining effect is generally poor; 2) Liquid CO injection 2 The temperature drop in the radius of 1m of the near wellbore zone is about 10-20 ℃, so that cold injury is easily caused to thick oil with high viscosity and high colloid and asphaltene content, and finally the operation failure of an oil well is caused; 3) CO 2 The solubility in super heavy oil and super heavy oil is low, and the original light components are easy to be carried out after the super heavy oil and the super heavy oil escape. The viscosity of the crude oil is obviously increased, and certain difficulty is brought to subsequent exploitation.
Due to the presence of CO 2 The cold recovery process has the defects, so that the steam throughput assisted CO can be adopted 2 The cold recovery composite measures are used for recovery, the hot recovery is responsible for providing a temperature environment, the cold recovery is responsible for improving seepage pore channels, after multiple rounds of steam huff and puff, light components volatilize in a thermal field, heavy components accumulate and block, permeability is reduced, crude oil seepage is difficult, continuous steam injection and hot recovery are low in efficiency, the cold recovery technology can effectively remove near well blockage, seepage channels are improved, low-viscosity crude oil outside a far well thermal field continuously flows into the thermal field through 'induced follow current', and a saturation field is changed; the present application is based on the above CO 2 The cold recovery and auxiliary steam huff and puff process designs a CO 2 Cold extraction and auxiliary steam huff and puff equipment, and CO is powered by steam 2 Liquid injection pressurization in the cold mining process ensures the heat efficiency and the energy utilization rate, and simultaneously can improve the mining efficiency, and ensures that steam throughput auxiliary CO can be adopted at any time 2 And the environment in the shaft is stable due to cold mining, and stable steam throughput of multiple rounds is ensured.
Disclosure of Invention
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
CO (carbon monoxide) 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: including steam pot, pressurization cold injection structure, liquefaction jar and support, steam pot and pressurization cold injection structure are all fixed to be set up on the support, be provided with steam on the steam pot and swallow and spit mouth and huff and puff the pipeline, pressurization cold injection structure includes air inlet, inlet and hydrojet mouth, the air inlet with the gas outlet of steam pot passes through steam conduit intercommunication, the inlet with the liquid outlet of liquefaction jar passes through play liquid check valve intercommunication, pressurization cold injection structure still includes the steam chamber, sets up in the steam chamber and can be by the driving lever of steam drive side-to-side motion, with the pressurization piston that the driving lever passes through bent axle link group connection, and set up the imbibition chamber of driving lever tip the top in imbibition chamber is provided with the pressurization chamber, the pressurization piston with the cavity inner wall sliding fit in pressurization chamber is the pressurization of pressurization intracavity liquid, the export in pressurization chamber is provided with the pressurization shower nozzle.
Further, the liquefaction tank is arranged in a disposal tank with an underground slot, and the liquefaction tank stores liquefied CO 2 。
Further, one end of the steam cavity, which is far away from the driving rod, is provided with the air inlet.
Further, one end of the liquid suction cavity, which is far away from the driving rod, is provided with two liquid inlets, and the top end of the liquid tank is correspondingly provided with two liquid outlets.
Further, the pressurizing cold injection structure further comprises an outer cover and a pressurizing nozzle, and the pressurizing nozzle is communicated with an outlet of the pressurizing cavity through a telescopic hose.
Further, the liquid suction cavity is communicated with the pressurizing cavity through a one-way valve, and a liquid inlet of the pressurizing cavity is communicated with the liquefying tank through a liquid outlet one-way valve, so that liquid can enter the pressurizing cavity through the liquid suction cavity in a one-way mode, and enter the liquid suction cavity through the liquefying tank in a one-way mode.
Furthermore, the pressurizing nozzle can be detachably and fixedly arranged on the fixing seat, and the pressurizing nozzle can be fixedly arranged at the underground pipeline opening in the shaft through the fixing seat.
Further, the steam tank comprises a heating space at the bottom and a steam furnace arranged above the heating space, and a steam swallowing opening, an air outlet and a liquid adding opening are formed in the top of the steam furnace.
Further, a pressure stabilizing structure is arranged between the air outlet and the air inlet, and the pressure stabilizing structure is arranged on the steam conduit.
Further, the pressure stabilizing structure comprises a pressure gauge, a backflow structure and a buffer cavity, wherein the pressure gauge can detect the pressure of steam passing through the steam conduit, when the pressure of the steam does not reach the standard, the backflow structure is started, and an axial flow pump arranged on the backflow structure is used for pressurizing and backflow of the steam at the downstream of the steam conduit so as to increase the final pressure in the steam conduit; and when the steam pressure is too high, the pressure is reduced by storing too much steam in the buffer cavity.
Advantageous effects
The application assists CO by adopting steam huff and puff 2 The composite measure of cold mining is used for mining, the hot mining is responsible for providing a temperature environment, the cold mining is responsible for improving a seepage duct, the mining process is improved, and the method is based on the CO 2 The improvement of cold recovery and auxiliary steam huff and puff technology designs a CO 2 Cold recovery and auxiliary steam huff and puff equipment fully utilizes steam generated in the auxiliary steam huff and puff process to enable the auxiliary steam huff and puff equipment to carry out CO 2 Liquid CO in cold recovery process 2 The pressurized injection can not only improve the liquid CO 2 The radius of the fusion influence on crude oil can be realized, the non-stop work of a steam heating facility can be realized, the heat efficiency and the energy utilization rate are ensured, the exploitation efficiency can be improved, and the auxiliary CO (carbon monoxide) can be assisted by steam throughput at any time 2 Cold mining ensures stable environment in a shaft and ensures stable steam throughput of multiple rounds; meanwhile, the liquid suction cavity is arranged to be preliminarily pressurized in the liquid suction cavity to keep high-pressure liquid state when the driving rod moves rightwards, and the pressurizing cavity is further arranged to pressurize the liquid suction cavity through the pressurizing piston to ensure liquefied CO 2 Can be sprayed out at high pressure, and avoid liquid CO caused in the production process 2 Gasification ensuresFor liquid CO 2 Pressure stabilization of pressurized injection process to prevent storage of liquefied CO underground in a liquefaction tank 2 Will decompress and correspondingly heat up after being sucked into the liquid suction cavity, avoiding liquefying CO 2 In this case, the gasification is easy.
Drawings
FIG. 1 is a schematic diagram of CO according to the present invention 2 A front view of the whole structure of the cold collection and auxiliary steam huff and puff equipment;
FIG. 2 is a schematic diagram of CO according to the present invention 2 A partial enlarged view of a pressurizing cold injection structure of the cold extraction and auxiliary steam huff and puff equipment;
FIG. 3 is a schematic diagram of CO according to the present invention 2 Rear view of the whole structure of the cold collection and auxiliary steam huff and puff equipment;
FIG. 4 is a schematic diagram of CO according to the present invention 2 A steam tank of cold recovery and auxiliary steam huff and puff equipment and a pipeline partial enlarged view thereof;
FIG. 5 is a schematic diagram of CO according to the present invention 2 A partial enlarged view I of cold mining and auxiliary steam huff and puff equipment;
FIG. 6 is a graph of the CO of the present invention 2 A second partial enlarged view of the cold recovery and auxiliary steam huff and puff equipment;
FIG. 7 is a schematic diagram of CO according to the present invention 2 And a second partial enlarged view of the pressurized cold injection structure of the cold extraction and auxiliary steam huff and puff equipment.
Detailed Description
The following detailed description of the embodiments of the invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIGS. 1-7, a CO 2 Cold collection and supplementary steam huff and puff equipment, including steam drum 1, pressurization cold notes structure 2, liquefaction jar 3 and support 4, steam drum 1 and pressurization cold notes structure 2 are all fixed to be set up on the support 4, be provided with steam on steam drum 1 and swallow and vomit mouth 103 and huff and puff pipeline 104, can directly inject steam into the pit shaft, pressurization cold notes structure 2 includes air inlet 201, inlet 202 and hydrojet mouth 203, the inletThe port 201 is communicated with the air outlet 101 of the steam tank 1 through a steam conduit 102 to provide driving force for injecting steam into the pressurized cold injection structure 2, the liquid inlet 202 is communicated with the liquid outlet 301 of the liquefaction tank 3 through a liquid outlet one-way valve 302 to provide liquefied CO for the pressurized cold injection structure 2 2 The pressurizing and cold injecting structure 2 further comprises a steam cavity 204, a driving rod 205 which is arranged in the steam cavity 204 and can be driven by steam to move left and right, a pressurizing piston 207 which is connected with the driving rod 205 through a crankshaft connecting rod group 206, and a liquid absorbing cavity 208 which is arranged at the end part of the driving rod 205, wherein a pressurizing cavity 209 is arranged above the liquid absorbing cavity 208, the pressurizing piston 207 and the inner wall of the pressurizing cavity 209 are in sliding fit for pressurizing liquid in the pressurizing cavity 209, a pressurizing spray head 211 is arranged at the outlet of the pressurizing cavity 209, and the pressurizing spray head 211 can spray high-pressure liquid into a shaft.
Due to the presence of CO 2 The cold recovery process has the defects of cold injury facilities and difficult recovery of oil by further thickening, so that the auxiliary CO can be used by adopting steam throughput 2 The combined measures of cold mining are used for mining, the hot mining is responsible for providing a temperature environment, the cold mining is responsible for improving a seepage duct, but a large amount of steam needs to be generated in the steam huff-puff auxiliary process, and the steam furnace needs to work at intervals of a plurality of rounds of huff-puff, at the moment, if the steam furnace is subjected to multi-round heating and natural placing refrigeration, the heat efficiency is low, the heating time is long when high-temperature steam is needed, and the use requirement cannot be met, so the CO is designed 2 Cold collection and auxiliary steam huff and puff equipment can continuously heat liquid in a steam tank and use CO 2 During cold recovery, steam is utilized to apply work, so that liquid CO is obtained 2 Pressurized spraying into the shaft, expanding the radius of influence on thick oil in the shaft, heating steam without stopping, and ensuring that the CO can be assisted by steam throughput at any time 2 And the environment in the shaft is stable due to cold mining, and stable steam throughput of multiple rounds is ensured.
Preferably, the liquefaction tank 3 is arranged in a disposal tank 301 with a slot under the ground, and the liquefaction tank 3 stores liquefied CO 2 The method comprises the steps of carrying out a first treatment on the surface of the By providing the liquefaction tank 3 in the disposal tank 301 slotted underground,the low-temperature high-pressure setting of the liquefied tank 3 is convenient, the collision danger on the ground is avoided, and the liquefied CO is realized 2 Is safer to store.
Preferably, the steam cavity 204 is provided with the air inlet 201 at an end thereof remote from the active rod 205.
Further, two liquid inlets 202 are provided at one end of the liquid suction cavity 208 away from the driving rod 205, and two liquid outlets 302 are correspondingly provided at the top end of the liquefaction tank 3.
Further, the pressurized cold injection structure 2 further includes a housing 210 and a pressurizing nozzle 211, and the pressurizing nozzle 211 is communicated with the outlet of the pressurizing cavity 209 through a flexible tube 212.
Further, the liquid suction cavity 208 is communicated with the pressurizing cavity 209 through a one-way valve, and the liquid inlet 202 of the pressurizing cavity 209 is communicated with the liquefying tank 3 through a liquid outlet one-way valve 302, so that liquid can enter the pressurizing cavity 209 through the liquid suction cavity 208 in one way and enter the liquid suction cavity 208 through the liquefying tank 3 in one way; due to the liquefied CO stored underground in the liquefaction tank 3 2 Will decompress and correspondingly warm up after being sucked into the liquid suction chamber 208, so that the CO is liquefied 2 At this time, vaporization is easy, but since the liquid suction cavity 208 is arranged to initially pressurize the liquid suction cavity 208 to keep high pressure liquid state when the driving rod 205 moves rightwards, the pressurizing cavity 209 is further arranged to pressurize the liquid suction cavity by the pressurizing piston 207 to ensure liquefaction of CO 2 Can be ejected at high pressure.
Further, the pressure nozzle 211 is detachably and fixedly disposed on the fixing seat 213, and the pressure nozzle 211 can be fixedly disposed at the underground pipeline opening in the shaft through the fixing seat 213.
Further, the steam tank 1 includes a heating space 105 at the bottom and a steam oven 106 disposed above the heating space 105, and a steam spouting port 103, an air outlet 101 and a liquid filling port 107 are disposed at the top of the steam oven 106.
Further, a pressure stabilizing structure 5 is further disposed between the air outlet 101 and the air inlet 201, and the pressure stabilizing structure 5 is disposed on the steam conduit 102.
Further, the pressure stabilizing structure 5 includes a pressure gauge 501, a backflow structure 502 and a buffer cavity 503, where the pressure gauge 501 can detect the pressure of steam passing through the steam conduit 102, and when the pressure of the steam does not reach the standard, the backflow structure 502 is opened, and the axial flow pump 505 disposed on the backflow structure 502 is used to pressurize and backflow the steam downstream of the steam conduit 102 so as to increase the final pressure in the steam conduit 102; when the steam pressure is too high, the pressure is reduced by storing too much steam in the buffer cavity 503, and the excessive or too small air pressure in the steam conduit 102 can be adjusted to ensure the running pressure of the whole pipeline to be stable.
Further, a first regulating valve 1021, a three-way valve 1023 and a second regulating valve 1022 are further disposed at one end of the steam conduit 102, which is in communication with the air inlet 201 of the pressurized cold injection structure 2, one end of the three-way valve 1023 is in communication with the first regulating valve 1021, the other end of the three-way valve 1023 is in communication with the second regulating valve 1022, and an intermediate opening end of the three-way valve 1023 is in communication with the pressure release pipeline 1024.
Preferably, the two air inlets 201 of the pressurized cold injection structure 2 are a first air inlet 2011 and a second air inlet 2012, respectively, the first regulating valve 1021 is in communication with the first air inlet 2011 through a pipeline, and the second regulating valve 1022 is in communication with the second air inlet 2012 through a pipeline; by arranging the first regulating valve 1021 and the second regulating valve 1022 on two sides of the three-way valve 1023 capable of relieving pressure, pressure regulation in the steam cavity 204 and waste liquid discharge are realized through the arrangement of the second air inlet 2012.
Due to the presence of CO 2 Both cold recovery and steam thermal recovery have respective disadvantages, steam thermal recovery is accompanied by less and more oil and more water, the heat injected into steam is absorbed by a large amount of water, the heat efficiency is lower and lower, and meanwhile, cold recovery has disadvantages of cold injury facilities and difficulty in recovering oil by further thickening. Thus, steam huff and puff assistance CO can be employed 2 The cold mining composite measures are used for mining, the hot mining is responsible for providing a temperature environment, and the cold mining is responsible for improving seepage pore canals; the present application is based on the above CO 2 The cold recovery and auxiliary steam huff and puff process designs a CO 2 Cold recovery and auxiliary steam huff and puff deviceThe steam generated in the process of auxiliary steam huff and puff is fully utilized to make the auxiliary steam huff and puff capable of mixing CO 2 Liquid CO in cold recovery process 2 The pressurized injection can not only improve the liquid CO 2 The radius of the fusion influence on crude oil can be realized, the non-stop work of a steam heating facility can be realized, the heat efficiency and the energy utilization rate are ensured, the exploitation efficiency can be improved, and the auxiliary CO (carbon monoxide) can be assisted by steam throughput at any time 2 Cold mining ensures stable environment in a shaft and ensures stable steam throughput of multiple rounds; at the same time in order to prevent liquefied CO stored underground in the liquefaction tank 3 2 Will decompress and correspondingly warm up after being drawn into the pumping chamber 208, avoiding liquefying the CO 2 At this time, the gasification is easy, and the liquid suction cavity 208 is arranged to initially pressurize the liquid suction cavity 208 to keep high pressure liquid state when the driving rod 205 moves rightwards, and the pressurizing cavity 209 is further arranged to pressurize the liquid suction cavity by the pressurizing piston 207 to ensure the liquefaction of CO 2 Can be sprayed out at high pressure, and avoid liquid CO caused in the production process 2 Gasification ensures the liquid CO 2 The pressure of the pressurized injection process is stable.
The foregoing is illustrative of the best mode of carrying out the invention, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the invention is defined by the claims, and any equivalent transformation based on the technical teaching of the invention is also within the protection scope of the invention.
Claims (10)
1. CO (carbon monoxide) 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: including steam pot, the cold structure of annotating of pressurization, liquefaction jar and support, steam pot and the cold structure of annotating of pressurization are all fixed to be set up on the support, be provided with steam on the steam pot and swallow and spit out mouth and huff and puff the pipeline, the cold structure of annotating of pressurization includes air inlet, inlet and hydrojet mouth, the air inlet with the gas outlet of steam pot passes through the steam conduit intercommunication, the inlet with the liquid outlet of liquefaction jar passes through out liquid check valve intercommunication, the cold structure of annotating of pressurization still includes the steam chamber, sets up in the steam chamber and can control by the steam driveThe device comprises a movable driving rod, a pressurizing piston connected with the driving rod through a crankshaft connecting rod group, and a liquid suction cavity arranged at the end part of the driving rod, wherein the pressurizing cavity is arranged above the liquid suction cavity, the pressurizing piston is in sliding fit with the inner wall of the cavity of the pressurizing cavity to pressurize liquid in the pressurizing cavity, and a pressurizing nozzle is arranged at the outlet of the pressurizing cavity.
2. The CO according to claim 1 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the liquefied tank is arranged in a disposal tank of an underground slot, and liquefied CO is stored in the liquefied tank 2 。
3. The CO according to claim 1 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: and one end of the steam cavity, which is far away from the driving rod, is provided with the air inlet.
4. The CO according to claim 2 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the liquid suction cavity is provided with two liquid inlets at one end far away from the driving rod, and two liquid outlets are correspondingly arranged at the top end of the liquid tank.
5. The CO according to claim 1 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the pressurizing cold injection structure further comprises an outer cover and a pressurizing nozzle, and the pressurizing nozzle is communicated with an outlet of the pressurizing cavity through a telescopic hose.
6. The CO of claim 4 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the liquid suction cavity is communicated with the pressurizing cavity through a one-way valve, and a liquid inlet of the pressurizing cavity is communicated with the liquefying tank through a liquid outlet one-way valve, so that liquid can enter the pressurizing cavity through the liquid suction cavity in a one-way mode, and enter the liquid suction cavity through the liquefying tank in a one-way mode.
7. The CO of claim 5 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the pressurizing nozzle is detachably and fixedly arranged on the fixing seat, and the pressurizing nozzle can be fixedly arranged at an underground pipeline opening in the shaft through the fixing seat.
8. The CO according to claim 1 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the steam tank comprises a heating space at the bottom and a steam furnace arranged above the heating space, and the top of the steam furnace is provided with a steam swallowing opening, an air outlet and a liquid adding opening.
9. The CO according to claim 8 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: and a pressure stabilizing structure is arranged between the air outlet and the air inlet and is arranged on the steam conduit.
10. The CO according to claim 9 2 Cold collection and supplementary steam huff and puff equipment, its characterized in that: the pressure stabilizing structure comprises a pressure gauge, a backflow structure and a buffer cavity, wherein the pressure gauge can detect the pressure of steam passing through the steam conduit, when the pressure of the steam does not reach the standard, the backflow structure is started, and an axial flow pump arranged on the backflow structure is utilized to pressurize and backflow the steam at the downstream of the steam conduit so as to increase the final pressure in the steam conduit; and when the steam pressure is too high, the pressure is reduced by storing too much steam in the buffer cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211656306.3A CN116122782A (en) | 2022-12-22 | 2022-12-22 | CO (carbon monoxide) 2 Cold collection and auxiliary steam huff and puff equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211656306.3A CN116122782A (en) | 2022-12-22 | 2022-12-22 | CO (carbon monoxide) 2 Cold collection and auxiliary steam huff and puff equipment |
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| CN116122782A true CN116122782A (en) | 2023-05-16 |
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| CN202211656306.3A Pending CN116122782A (en) | 2022-12-22 | 2022-12-22 | CO (carbon monoxide) 2 Cold collection and auxiliary steam huff and puff equipment |
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- 2022-12-22 CN CN202211656306.3A patent/CN116122782A/en active Pending
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