CN103233709A - Super heavy oil deposit exploiting carbon capture, utilization and storage (CCUS) system and method based on CO2 assisted steam assisted gravity drainage (SAGD) - Google Patents
Super heavy oil deposit exploiting carbon capture, utilization and storage (CCUS) system and method based on CO2 assisted steam assisted gravity drainage (SAGD) Download PDFInfo
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- CN103233709A CN103233709A CN2013101754054A CN201310175405A CN103233709A CN 103233709 A CN103233709 A CN 103233709A CN 2013101754054 A CN2013101754054 A CN 2013101754054A CN 201310175405 A CN201310175405 A CN 201310175405A CN 103233709 A CN103233709 A CN 103233709A
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- Y02P90/70—Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells
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Abstract
The invention relates to a super heavy oil deposit exploiting carbon capture, utilization and storage (CCUS) system based on CO2 assisted steam assisted gravity drainage (SAGD). The CCUS system comprises an SAGD well group and exploiting pipelines connected with the SAGD well group respectively. The exploiting pipelines comprise pipelines of carbon dioxide generated through combustion, carbon dioxide storage pipelines, nitrogen pipelines and high-temperature exploiting liquid outlet pipelines. The invention further relates to a working method of the system. The system has the advantage of forming a large-scale demonstration all-process system integrating carbon capture, utilization and storage. A membrane separation technology is adopted, and oxygen and nitrogen in air are fully used according to requirements. A circulating fluidized bed is adopted, an oxygen-enriched combustion technology is used, fuel is guaranteed to be fully combusted, mass flow rate of smoke and emission of nitric oxide are remarkably reduced, and carbon dioxide concentration in the smoke can be increased so that smoke purification and separation of next step is facilitated.
Description
Technical field
The present invention relates to a kind of based on CO
2The CCUS system and method for auxiliary SAGD exploitation super-heavy oil deposit, the technical field that belongs to heavy crude heat extraction and collecting carbonic anhydride, utilizes and bury.
Background technology
In recent years, because human the greenhouse gas emissions that produce in industry and the human lives's process increase day by day to the depending on unduly of fossil fuels such as coal, oil, natural gas, the greenhouse effect that cause thus just the environment that the mankind depend on for existence in serious threat.In the greenhouse gases of mankind's discharging, be carbon dioxide more than 65%, have about 69% to be relevant with use with energy supply in these carbon dioxide again." world energy outlook 2007 " pointed out, if existing and established policy remains unchanged, the energy-related CO2 emission meeting in the year two thousand thirty whole world increased by 57% than 2005, and oil demand can increase by 40%.How can realize the reduction of discharging of greenhouse gases, can satisfy human growing energy demand again becomes the significant problem that international community faces.
SAGD is called for short SAGD (Steam Assisted Gravity Drainage, be called for short SAGD) be a kind of with a bite straight well or the water horizontal well injection oil reservoir of steam from being positioned near horizontal production well top, oil reservoir bottom, heated crude oil and steam condensate are from the oil production method of the horizontal well output of oil reservoir bottom, have high oil recovery ability, high gas oil ratio, higher ultimate recovery and reduce between well and disturb, avoid scurrying between too early well logical advantage.
CCUS(Carbon Capture, Utilization and Storage) be that carbon is caught, utilized and the technology of sealing up for safekeeping, be CCS(Carbon Capture and Storage) development trend that technology is new, namely the carbon dioxide that discharges in the manufacturing process is purified, put into then in the new manufacturing process, can cycling and reutilization, rather than seal up for safekeeping simply, comparing with CCS, CCUS can be with the carbon dioxide resource, can produce economic benefit, have more real operation.The top priority of China is to ensure development at present, the CCS technology is based upon on high energy consumption and the expensive basis, this technology is worthless in popularization on a large scale and the application of China, and China is current should to pay attention to expanding the research and development that the carbon dioxide resource is utilized technology more.For this reason, the China national Ministry of Science and Technology has formulated " " 12 " national carbon captures utilization and seals the development in science and technology ad hoc planning up for safekeeping ", this planning points out that CCUS is the important technology selection of reply Global climate change, world major country all with the CCUS technology as the important origin of force of seizing following low-carbon (LC) competitive advantage, development and deposit CCUS technology will provide technical support for China's low-carbon (LC) Green Development and reply climate change.
The external large-scale whole process CCUS demonstrative project of moving has Canadian Weyburn oil field CO
2Strengthen displacement of reservoir oil project, Norway Sleipner gas field CO
2Brine layer is sealed project etc. up for safekeeping, the CO of these two projects
2All from industrial process, accumulative total is sealed CO up for safekeeping
2All above ten million ton.The existing whole process demonstrative project of China comprises the CO of PetroChina Company Limited.'s Jilin Oil Field
2The Erdos coal system oil CO of industrial separation and displacement of reservoir oil project, Shenhua
2Industrial separation and land salt water layer are sealed CO after the burning of project, China Petrochemical Industry's Shengli Oil Field up for safekeeping
2Capture and displacement of reservoir oil project.Generally, late, the small scale of China's whole process demonstrative project starting needs by extensive, inter-trade integrated demonstration, improve matching and compatibility between the key technologies, promotes economy and the reliability of whole process system.Therefore, how to break through CO
2The key technology that captures, transports, utilizes and seal up for safekeeping is carried out the CCUS commerical test in key industry, promotes the construction of whole process CCUS demonstrative project in order and seems most important.
CO
2Auxiliary SAGD(Steam Assisted Gravity Drainage, SAGD) exploitation super-heavy oil deposit technology is the CO that annotates on the basis of original SAGD
2Gas utilizes the CO that injects
2Can form isolation layer on vapor chamber top, reduce heat waste; Keep system pressure, improve mobility ratio; Reduce viscosity of crude, characteristics such as raising fluid ability are assisted the technology of super heavy oil recovery.China's viscous crude resource distribution is extensive, and land viscous crude resource accounts for more than 20% of petroleum resources total amount, and the geological resource amount that prediction is finally verified is 79.5 * 10
8T, can adopt stock number is 19.1 * 10
8T.CO
2Therefore auxiliary SAGD technology we can say that the popularization of this technology in the oil field will help the CCUS technology in the popularization on a large scale of China in China Liaohe Oil Field, Xinjiang Oilfield large-scale application.
Summary of the invention
At the deficiencies in the prior art, use on a large scale in China in order further to promote the CCUS technology, realize " carbon dioxide zero discharge ", " the oil-polluted water zero-emission " in the oil extraction process, three zero-emission targets of " oily sludge zero-emission ", the present invention proposes a kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit.
The present invention also provides a kind of method of work of said system.
Technical scheme of the present invention is as follows:
A kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, comprise SAGD well group and the exploitation pipeline that links to each other with the SAGD well group respectively, described exploitation pipeline comprises that burning produces carbon dioxide pipeline, storage carbon dioxide pipeline, nitrogen pipeline and high temperature exploitation fluid pipeline.
Preferred according to the present invention, described burning produces the carbon dioxide pipeline and comprises film separation system, oxygen storage tank and the CFBB that links to each other in turn, and the carbon dioxide outlet of described CFBB links to each other with described SAGD well group; The nitrogen outlet of described film separation system links to each other with described nitrogen storage tank; The exhanst gas outlet of described CFBB links to each other with described gas cleaning separator.
Preferred according to the present invention, described storage carbon dioxide pipeline comprises the carbon dioxide storage tank that links to each other with the carbon dioxide vent of gas cleaning separator, and the gas outlet of described carbon dioxide storage tank links to each other with described SAGD well group by heat exchanger.
Preferred according to the present invention, described nitrogen pipeline comprises nitrogen storage tank and the foam-making apparatus that links to each other in turn with the nitrogen gas outlet of gas cleaning separator, the outlet of described foam-making apparatus links to each other with described SAGD well group, described foam-making apparatus is opened or is closed according to the needs of producing: in the time need pumping into nitrogen in the oil jacket annular space of SAGD well group, close described foam-making apparatus, described nitrogen directly is sent in the oil jacket annular space of SAGD well group and plays heat-blocking action; When needs pump into nitrogen foam in the SAGD well group, directly open described foam-making apparatus and get final product.Described nitrogen foam is used for control CO
2Assist steam, CO in SAGD well group manufacturing process
2Mobility, when nitrogen foam injected in non-homogeneous pay, because stifled very much not stifled little, the water blockoff of the foam characteristic of stifled oil, the foam of injection can carry out effective shutoff to high permeability zone, thereby adjusts steam, the CO of follow-up injection
2In the mobility difference of high less permeable layer, reduce their channelling in high permeability zone, control steam, CO
2Mobility.
Preferred according to the present invention, described high temperature exploitation fluid pipeline comprises high temperature extraction liquid storage tank, heat exchanger, normal temperature extraction liquid storage tank and the three phase separator that links to each other in turn with described SAGD well group outlet end, and the sewage end of described three eliminators links to each other with described CFBB by described oil-polluted water purifier; The mud end of described three eliminators links to each other with described CFBB by settling tank; The outlet side of described three eliminators links to each other with described gas cleaning separator.
A kind of method of work as above-mentioned system comprises that step is as follows:
(1) film separation system separates airborne nitrogen with oxygen, then with in the oxygen input oxygen storage tank 2 that obtains, in the nitrogen input nitrogen storage tank 14; Oxygen in the described oxygen storage tank 2 is used for the oxygen-enriched combusting of CFBB 3; Nitrogen in the nitrogen storage tank 14 is delivered to SAGD well group well head by foam-making apparatus: described foam-making apparatus is opened or is closed according to the needs of producing: in the time need pumping into nitrogen in the oil jacket annular space of SAGD well group, close described foam-making apparatus, described nitrogen directly is sent in the oil jacket annular space of SAGD well group and plays heat-blocking action; When needs pump into nitrogen foam in the SAGD well group, directly open described foam-making apparatus and get final product; Described nitrogen foam is used for control CO
2Assist steam, CO in SAGD well group manufacturing process
2Mobility, when nitrogen foam injected in non-homogeneous pay, because stifled very much not stifled little, the water blockoff of the foam characteristic of stifled oil, the foam of injection can carry out effective shutoff to high permeability zone, thereby adjusts steam, the CO of follow-up injection
2In the mobility difference of high less permeable layer, reduce their channelling in high permeability zone, control steam, CO
2Mobility;
(2) CFBB 3 is used for mixing burning coal and oily sludge, for SAGD well group 4 provides steam;
(3) isolated gas all is separated into nitrogen and carbon dioxide through gas cleaning separator 13 in the flue gas that burning produces in the step (2) and the three phase separator 8, described nitrogen storage is to described nitrogen storage tank 14, and described carbon dioxide storage is to described carbon dioxide storage tank 10;
(4) carbon dioxide in the described carbon dioxide storage tank 10 is used for auxiliary SAGD well group 4 oil recoveries after heat exchanger 6 heating; Described high temperature extraction liquid storage tank 5 is used for storing the extraction liquid of SAGD well group 4;
(5) heat exchanger 6 is used for the high temperature extraction liquid of high temperature extraction liquid storage tank 5 is converted to normal temperature extraction liquid, is delivered in the normal temperature extraction liquid storage tank 7; Three phase separator 8 is used for normal temperature extraction liquid is carried out oil, gas, water three phase separation: separate the water that obtains and enter oil-polluted water purifier 9, the water after the purification can be supplied with the CFBB water; Separate the gas that obtains and enter in the gas cleaning separator 13, carry out purification separation; Separating the oil phase that obtains enters in the settling tank 11; Settling tank 11 is used for the oily sludge of oil phase after the sedimentation three phase separation, and oily sludge is sent in the CFBB 3 by oily sludge pumping pipeline 12, mixes burning with coal.
Advantage of the present invention is:
1) the present invention has formed the extensive demonstration whole process system that a cover integrates collecting carbonic anhydride, utilizes, seals up for safekeeping;
2) the present invention adopts membrane separation technique, and airborne oxygen, nitrogen are taken full advantage of as required;
3) the present invention adopts CFBB, utilizes oxygen-enriched combustion technology, guarantees full combustion of fuel, significantly reduces the mass flowrate of flue gas and the discharging of nitrogen oxide, and can improve gas concentration lwevel in the flue gas, is convenient to next step and carries out the gas cleaning separation;
4) the present invention adopts the heat exchange treatment technology, high temperature extraction liquid is carried out heat exchange handle, and the heating of gained heat is treated to take full advantage of the energy by injecting carbon dioxide, cuts down the consumption of energy;
5) the present invention adopts the three phase separation technology, extraction liquid is carried out oil gas water three phase to be separated, wherein, separating the gas phase main component that obtains is carbon dioxide, by the purification separation re-injection that circulates, realize the zero-emission of carbon dioxide, separating the water main component that obtains is oil-polluted water, supply with boiler feed water by purified treatment, produce the steam re-injection that circulates, realize the zero-emission of oil-polluted water, separating the oil phase main component that obtains is crude oil, but oily sludge is isolated the supply CFBB by measures such as sedimentations with oily sludge and is mixed the coal multifuel combustion, realizes the zero-emission of oily sludge;
6) the present invention is because SAGD well extraction liquid is high temperature extraction liquid, therefore adopt heat exchanger apparatus take full advantage of extraction liquid with heat preheating carbon dioxide to be injected, can energy conservation, cut down the consumption of energy, can prevent that again low-temperature carbon dioxide is to the cold damage of oil reservoir;
7) the present invention utilizes oxygen-enriched combustion technology and the purification separation of flue gas is handled, and has realized that the carbon among the CCUS captures;
8) the present invention utilizes carbon dioxide to assist the SAGD technology, has realized the carbon utilization among the CCUS;
9) utilization of the present invention is to the three phase separation technology of extraction liquid, realized the circulation re-injection of carbon dioxide in the extraction gas, realized the zero-emission of carbon dioxide, and because carbon dioxide constantly adsorbs in oil reservoir, dissolve, and realization CCUS such as mineral rock reaction in carbon bury.
Description of drawings
Fig. 1 is of the present invention based on CO
2The overall structure schematic diagram of the CCUS system of auxiliary SAGD exploitation super-heavy oil deposit;
In Fig. 1,1-film separation system; 2-oxygen storage tank; 3-CFBB; 4-SAGD well group; 5-high temperature extraction liquid storage tank; 6-heat exchanger; 7-normal temperature extraction liquid storage tank; 8-three-phase separating system; 9-oil-polluted water purifier; 10-carbon dioxide storage tank; 11-settling tank; 12-oily sludge pumping pipeline; 13-gas cleaning separator; 14-nitrogen storage tank; 15-foam-making apparatus.
The specific embodiment
Further specify the present invention below in conjunction with embodiment and Figure of description, but be not limited thereto.
Embodiment 1,
As shown in Figure 1.
A kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, comprise SAGD well group 4 and the exploitation pipeline that links to each other with SAGD well group 4 respectively, described exploitation pipeline comprises that burning produces carbon dioxide pipeline, storage carbon dioxide pipeline, nitrogen pipeline and high temperature exploitation fluid pipeline.
Described burning produces the carbon dioxide pipeline and comprises film separation system 1, oxygen storage tank 2 and the CFBB 3 that links to each other in turn, and the carbon dioxide outlet of described CFBB 3 links to each other with described SAGD well group 4; The nitrogen outlet of described film separation system 1 links to each other with described nitrogen storage tank 14; The exhanst gas outlet of described CFBB 3 links to each other with described gas cleaning separator 13.
Described storage carbon dioxide pipeline comprises the carbon dioxide storage tank 10 that links to each other with the carbon dioxide vent of gas cleaning separator 13, and the gas outlet of described carbon dioxide storage tank 10 links to each other with described SAGD well group 4 by heat exchanger 6.
Described nitrogen pipeline comprises nitrogen storage tank 14 and the foam-making apparatus 15 that links to each other in turn with the nitrogen gas outlet of gas cleaning separator 13, the outlet of described foam-making apparatus 15 links to each other with described SAGD well group 4, described foam-making apparatus 15 is opened or is closed according to the needs of producing: in the time need pumping into nitrogen in the oil jacket annular space of SAGD well group 4, close described foam-making apparatus 15, described nitrogen directly is sent in the oil jacket annular space of SAGD well group 4 and plays heat-blocking action; When needs pump into nitrogen foam in the SAGD well group 4, directly open described foam-making apparatus 15 and get final product.Described nitrogen foam is used for control CO
2Assist steam, CO in SAGD well group manufacturing process
2Mobility, when nitrogen foam injected in non-homogeneous pay, because stifled very much not stifled little, the water blockoff of the foam characteristic of stifled oil, the foam of injection can carry out effective shutoff to high permeability zone, thereby adjusts steam, the CO of follow-up injection
2In the mobility difference of high less permeable layer, reduce their channelling in high permeability zone, control steam, CO
2Mobility.
Described high temperature exploitation fluid pipeline comprises high temperature extraction liquid storage tank 5, heat exchanger 6, normal temperature extraction liquid storage tank 7 and the three phase separator 8 that links to each other in turn with described SAGD well group 4 outlet ends, and the sewage end of described three eliminators 8 links to each other with described CFBB 3 by described oil-polluted water purifier 9; The mud end of described three eliminators 8 links to each other with described recirculating fluidized bed pot 3 stoves by settling tank 11; The outlet side of described three eliminators 8 links to each other with described gas cleaning separator 13.
A kind of method of work as system as described in the embodiment 1 comprises that step is as follows:
(1) film separation system separates airborne nitrogen with oxygen, then with in the oxygen input oxygen storage tank 2 that obtains, in the nitrogen input nitrogen storage tank 14; Oxygen in the described oxygen storage tank 2 is used for the oxygen-enriched combusting of CFBB 3; Nitrogen in the nitrogen storage tank 14 is delivered to SAGD well group well head by foam-making apparatus: described foam-making apparatus is opened or is closed according to the needs of producing: in the time need pumping into nitrogen in the oil jacket annular space of SAGD well group, close described foam-making apparatus, described nitrogen directly is sent in the oil jacket annular space of SAGD well group and plays heat-blocking action; When needs pump into nitrogen foam in the SAGD well group, directly open described foam-making apparatus and get final product; Described nitrogen foam is used for control CO
2Assist steam, CO in SAGD well group manufacturing process
2Mobility, when nitrogen foam injected in non-homogeneous pay, because stifled very much not stifled little, the water blockoff of the foam characteristic of stifled oil, the foam of injection can carry out effective shutoff to high permeability zone, thereby adjusts steam, the CO of follow-up injection
2In the mobility difference of high less permeable layer, reduce their channelling in high permeability zone, control steam, CO
2Mobility;
(2) CFBB 3 is used for mixing burning coal and oily sludge, for SAGD well group 4 provides steam;
(3) isolated gas all is separated into nitrogen and carbon dioxide through gas cleaning separator 13 in the flue gas that burning produces in the step (2) and the three phase separator 8, described nitrogen storage is to described nitrogen storage tank 14, and described carbon dioxide storage is to described carbon dioxide storage tank 10;
(4) carbon dioxide in the described carbon dioxide storage tank 10 is used for auxiliary SAGD well group 4 oil recoveries after heat exchanger 6 heating; Described high temperature extraction liquid storage tank 5 is used for storing the extraction liquid of SAGD well group 4;
(5) heat exchanger 6 is used for the high temperature extraction liquid of high temperature extraction liquid storage tank 5 is converted to normal temperature extraction liquid, is delivered in the normal temperature extraction liquid storage tank 7; Three phase separator 8 is used for normal temperature extraction liquid is carried out oil, gas, water three phase separation: separate the water that obtains and enter oil-polluted water purifier 9, the water after the purification can be supplied with the CFBB water; Separate the gas that obtains and enter in the gas cleaning separator 13, carry out purification separation; Separating the oil phase that obtains enters in the settling tank 11; Settling tank 11 is used for the oily sludge of oil phase after the sedimentation three phase separation, and oily sludge is sent in the CFBB 3 by oily sludge pumping pipeline 12, mixes burning with coal.
Claims (6)
1. one kind based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, it is characterized in that, this system comprises SAGD well group and the exploitation pipeline that links to each other with the SAGD well group respectively, and described exploitation pipeline comprises that burning produces carbon dioxide pipeline, storage carbon dioxide pipeline, nitrogen pipeline and high temperature exploitation fluid pipeline.
2. according to claim 1 a kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, it is characterized in that, described burning produces the carbon dioxide pipeline and comprises film separation system, oxygen storage tank and the CFBB that links to each other in turn, and the carbon dioxide outlet of described CFBB links to each other with described SAGD well group; The nitrogen outlet of described film separation system links to each other with described nitrogen storage tank; The exhanst gas outlet of described CFBB links to each other with described gas cleaning separator.
3. according to claim 1 a kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, it is characterized in that, described storage carbon dioxide pipeline comprises the carbon dioxide storage tank that links to each other with the carbon dioxide vent of gas cleaning separator, and the gas outlet of described carbon dioxide storage tank links to each other with described SAGD well group by heat exchanger.
4. according to claim 1 a kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, it is characterized in that, described nitrogen pipeline comprises nitrogen storage tank and the foam-making apparatus that links to each other in turn with the nitrogen gas outlet of gas cleaning separator, the outlet of described foam-making apparatus links to each other with described SAGD well group, described foam-making apparatus is opened or is closed according to the needs of producing: in the time need pumping into nitrogen in the oil jacket annular space of SAGD well group, close described foam-making apparatus, described nitrogen directly is sent in the oil jacket annular space of SAGD well group and plays heat-blocking action; When needs pump into nitrogen foam in the SAGD well group, directly open described foam-making apparatus and get final product.
5. according to claim 1 a kind of based on CO
2The CCUS system of auxiliary SAGD exploitation super-heavy oil deposit, it is characterized in that, described high temperature exploitation fluid pipeline comprises high temperature extraction liquid storage tank, heat exchanger, normal temperature extraction liquid storage tank and the three phase separator that links to each other in turn with described SAGD well group outlet end, and the sewage end of described three eliminators links to each other with described CFBB by described oil-polluted water purifier; The mud end of described three eliminators links to each other with described CFBB by settling tank; The outlet side of described three eliminators links to each other with described gas cleaning separator.
6. method of work of system according to claim 1 is characterized in that this method of work comprises that step is as follows:
(1) film separation system separates airborne nitrogen with oxygen, then with in the oxygen input oxygen storage tank 2 that obtains, in the nitrogen input nitrogen storage tank 14; Oxygen in the described oxygen storage tank 2 is used for the oxygen-enriched combusting of CFBB 3; Nitrogen in the nitrogen storage tank 14 is delivered to SAGD well group well head by foam-making apparatus: described foam-making apparatus is opened or is closed according to the needs of producing: in the time need pumping into nitrogen in the oil jacket annular space of SAGD well group, close described foam-making apparatus, described nitrogen directly is sent in the oil jacket annular space of SAGD well group and plays heat-blocking action; When needs pump into nitrogen foam in the SAGD well group, directly open described foam-making apparatus and get final product;
(2) CFBB 3 is used for mixing burning coal and oily sludge, for SAGD well group 4 provides steam;
(3) isolated gas all is separated into nitrogen and carbon dioxide through gas cleaning separator 13 in the flue gas that burning produces in the step (2) and the three phase separator 8, described nitrogen storage is to described nitrogen storage tank 14, and described carbon dioxide storage is to described carbon dioxide storage tank 10;
(4) carbon dioxide in the described carbon dioxide storage tank 10 is used for auxiliary SAGD well group 4 oil recoveries after heat exchanger 6 heating; Described high temperature extraction liquid storage tank 5 is used for storing the extraction liquid of SAGD well group 4;
(5) heat exchanger 6 is used for the high temperature extraction liquid of high temperature extraction liquid storage tank 5 is converted to normal temperature extraction liquid, is delivered in the normal temperature extraction liquid storage tank 7; Three phase separator 8 is used for normal temperature extraction liquid is carried out oil, gas, water three phase separation: separate the water that obtains and enter oil-polluted water purifier 9, the water after the purification can be supplied with the CFBB water; Separate the gas that obtains and enter in the gas cleaning separator 13, carry out purification separation; Separating the oil phase that obtains enters in the settling tank 11; Settling tank 11 is used for the oily sludge of oil phase after the sedimentation three phase separation, and oily sludge is sent in the CFBB 3 by oily sludge pumping pipeline 12, mixes burning with coal.
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| CN104763397A (en) * | 2015-05-06 | 2015-07-08 | 中国石油大学(华东) | Flue gas resource utilizing system of oil field stream-injecting boiler based on steam injection and application thereof |
| CN105019874A (en) * | 2015-07-03 | 2015-11-04 | 石晓岩 | Oil extraction method utilizing circulated heating cavity gases |
| CN105114045A (en) * | 2015-08-05 | 2015-12-02 | 中国石油大学(华东) | CCUS system for extracting oil based on gas lifting method and application thereof |
| CN105672961A (en) * | 2014-11-20 | 2016-06-15 | 中国石油化工股份有限公司 | Integrated profile control technology of nitrogen foams during recovery of viscous oil reservoirs |
| CN106032746A (en) * | 2015-03-13 | 2016-10-19 | 周旭红 | Boiler directly-discharged flue gas ground recovery and injection device |
| CN107575190A (en) * | 2017-09-25 | 2018-01-12 | 中国石油大学(华东) | One kind is based on optimal flue gas CO2The CCUS systems and its method of work of accumulation rate production of heavy oil reservoir |
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| CN113266333A (en) * | 2021-06-29 | 2021-08-17 | 西北大学 | By extrusion of saturated CO2Method for improving permeability of oil sand reservoir by using brine |
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