CN202560194U - Simulation experiment system for exploiting oil gas by microwave heating of underground oil shale - Google Patents
Simulation experiment system for exploiting oil gas by microwave heating of underground oil shale Download PDFInfo
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Abstract
The embodiment of the utility model provides a simulation experiment system of microwave heating underground oil shale exploitation oil gas, this system includes: the microwave heating system is used for heating oil shale by using microwaves and leading out pyrolysis products of the oil shale, wherein the oil shale comprises longitudinal cracks filled with microwave strong absorption media; a collection measurement system for performing condensation, collection and measurement of the pyrolysis products of the oil shale; a computer processing system for performing oil shale temperature detection and analyzing the collected data; a power control system for controlling the power generated by the microwaves; wherein the power control system, the collection measurement system and the computer processing system are respectively connected with the microwave heating system. The system utilizes microwaves to heat the oil shale deposit with longitudinal cracks, and the longitudinal cracks are filled with microwave strong absorption media, so that the microwave absorption efficiency can be effectively improved, the oil shale is heated rapidly, and the oil gas exploitation efficiency of the oil shale is improved.
Description
Technical field
The utility model relates to the original position oil shale recovery, particularly a kind of experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas.
Background technology
Oil shale is a kind of hypotonicity rock, mainly is made up of mineral matter and kerogen, and kerogen is the geology precursor of oil and natural gas.China's oil shale resources are abundant, and the resource of buried depth between 0-500m is about 2,500 hundred million tons, and the oil shale resources between the 500-1000m are 2,500 hundred million tons.Buried depth can be transported to destructive distillation factory and extract shale oil through strip mining transformation less than the oil shale resources of 300m; Buried depth needs only through being shale oil to oil shale ore bed thermal conversion greater than the oil shale of 300m, utilizes producing well to be directed at ground then.Latter's technology still is in development at present, does not get into suitability for industrialized production as yet.
At present, oil shale destructive distillation exploitation method on the spot is a lot of in the world.Mode according to the heat transmission can be divided into direct conduction heating, Convective Heating, radiation heating with mode of heating.
In the process that realizes the utility model, the inventor finds that there is following problem at least in prior art:
Destructive distillation exploitation method on the spot and install one; Directly conduction heating; Like Shell Co. Ltd " conduction heating subterranean oil shale is to give its permeability and oil recovery subsequently "; Directly utilize electrically heated rod that oil shale layer is conducted heating,, have the slow problem of rate of heat transfer because the coefficient of heat conduction of oil shale is low.
Destructive distillation exploitation method on the spot and install two, Convective Heating and conduction of heat heating propose to utilize closed parallel horizontal well to carry out heated oils shale ore bed like EGL company, utilize a series of peupendicular hole to gather the oil gas of generation.Its process is to utilize Convective Heating mode heat levels pit shaft; Utilize the high temperature pit shaft with heat exchange pattern heated oils shale ore bed again; The shortcoming that this scheme exists is the same with Shell Co. Ltd electrically heated rod mode of heating, owing to the coefficient of heat conduction of oil shale is low, has the slow problem of rate of heat transfer.
Destructive distillation exploitation method on the spot and install three, radiation heating proposes to utilize heating using microwave oil shale ore bed like U.S. Ray Thcon, because there is the slow problem of oil shale temperature heating rate equally in the oil shale weak absorbing medium that is a kind of microwave.
The utility model content
The purpose of the utility model is the deficiency that overcomes prior art, and a kind of experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas is provided, with heating process and the reduction heating cost that quickens oil shale.
The utility model embodiment provides a kind of experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas; Comprise: microwave heating system; Be used to utilize the heating using microwave oil shale to send out and derive the thermal decomposition product of said oil shale, said oil shale comprises the longitudinal crack that is filled with the microwave strongly absorbing medium; Collect measuring system, be used to carry out condensation, collection and the measurement of the thermal decomposition product of said oil shale; Computer processing system is used to carry out temperature detection and analyzes the data of gathering; Power control system is used to control the power that microwave produces; Wherein, said power control system, said collection measuring system and said computer processing system link to each other with said microwave heating system respectively.
The beneficial effect of the utility model embodiment is: the experimental system for simulating of a kind of heating using microwave subterranean oil shale exploitation oil gas that the utility model embodiment provides; Through heating using microwave oil shale and absorbing medium; Microwave strongly absorbing medium after temperature raises rapidly; Again with heat exchange pattern heated oils shale,, utilize this experimental system can carry out under the different microwave condition so be in the reaction system with heat radiation and the conduction of heat dual mode heated oils shale that combines; Situation such as the conduction of heat rule of different regions oil shale microwave exploitation and shale oil recovery ratio are for different regions heating using microwave original position producing oil shale technology provides parameter and developing thought.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 adds the overall flow figure of underground deep fat shale producing oil gas method for the microwave of the utility model embodiment 1;
Fig. 2 A is the application principle figure of the heating using microwave oil shale for exploiting oil gas method of the utility model embodiment 1;
Fig. 2 B is the particular flow sheet of the heating using microwave oil shale for exploiting oil gas method of the utility model embodiment 1;
Fig. 3 is the overall structure sketch map of the experimental system for simulating of the utility model embodiment 2;
Fig. 4 is the structural representation of microwave heating system among the utility model embodiment 2, collection measuring system;
Fig. 5 is along the revolved sectional view of A-A ' line among Fig. 4 of the utility model embodiment 2.
Drawing reference numeral:
1 microwave generator, 2 microwave ingress pipes, 3 waveguides, 4 microwave launch holes, 5 longitudinal cracks, 6 reaction kettle bodies; 7 insulation layers, 8,9,10,11 Temperature Detectors, 12 upper covers, oil gas vent on 13, the 14 gas delivery lines that oil, 15 pressure sensors; 16 pressure digital displaying meters, tube-in-tube condenser on 17,18 gas-liquid separators, 19,25 liquid collection tank, 20,26 electronic balances, 21 mass-flow gas meters; 22 times oil-outs, 23 times oil gas delivery lines, 24, the trumpet cooler of trapping, 27 workbench, 28 lids; 29,30,31,32 Temperature Detectors, 33 producing wells, 34 transverse cracks, 35 oil shale ore beds, 36 heated wells.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The method and the experimental system for simulating thereof of the heating using microwave subterranean oil shale exploitation oil gas that the utility model embodiment provides are: utilize carry out microwave radiation heating subterranean oil shale ore bed 1.; 2. utilize carry out microwave radiation heating microwave strongly absorbing medium; The oil shale ore bed is descended in the conduction of microwave strongly absorbing medium heatedly; Two kinds of mode of heatings make the kerogen pyrolysis in the oil shale produce oil gas, the method for then oil-gas mining being come out jointly.
The design of the utility model embodiment mainly comes from microwave technology; It is that rotation through ion migration and polar molecule realizes molecular motion that microwave has the dielectric heat effect to material; Be to change into dynamically polar molecule static relatively moment, through molecular dipole with billions of high speed rotation generation fuel factors.Because this moment metamorphosis is to carry out from being applied material inside, so often be called interior heating.Because oil shale is the non-conductor of heat, utilize directly conduction heating and Convective Heating speed very slowly.Through the common pyrolysis kerogen of above-mentioned two kinds of mode of heatings of the utility model embodiment, generate oil gas, and the transverse crack through the pressure break manufacturing is directed at producing well and drains into ground, the heating process that helps quickening oil shale with reduce heating cost.
Embodiment 1:
Fig. 1 adds the overall flow figure of the method for underground hot oil shale for exploiting oil gas for a kind of microwave of the utility model embodiment 1.As shown in Figure 1, this method comprises:
100, underground oil shale mine layer is carried out level and make seam and the vertical seam of making, generate transverse crack and longitudinal crack respectively, in the longitudinal crack that generates, inject the microwave strongly absorbing medium;
110, said oil shale ore bed and said microwave strongly absorbing medium are carried out direct carry out microwave radiation heating, and the said oil shale ore bed of microwave strongly absorbing medium conduction heating that makes the temperature rising, and make the oil gas that generates derive through said transverse crack.
Below be elaborated, please combine to consult Fig. 2 A and Fig. 2 B, wherein, Fig. 2 A is the application principle figure of the heating using microwave oil shale for exploiting oil gas method of the utility model embodiment 1; Fig. 2 B is the particular flow sheet of the heating using microwave oil shale for exploiting oil gas method of the utility model embodiment 1; Method shown in Figure 1 specifically can comprise the steps:
The advantage of the utility model embodiment is: the method for the utility model embodiment is to utilize heating using microwave; It belongs to inner mode of heating; Electromagnetic energy directly acts on medium molecule and converts heat to, and transmission performance is heated the material inside and outside medium simultaneously, need not only depend on conduction of heat heated oils shale.Oil shale is the weak absorbing medium of microwave, and the utility model embodiment is filled into the microwave strongly absorbing medium through the oil shale ore bed is made seam; So can effectively improve the microwave absorption efficiency; The oil shale ore bed is heated up rapidly, improved the production efficiency of oil shale, and reduced cost of winning.
Embodiment 2:
The utility model embodiment 2 provides a kind of experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas.This experimental system for simulating is mainly through heating using microwave oil shale and microwave strongly absorbing medium; After microwave strongly absorbing medium temperature raises; Again with heat exchange pattern heated oils shale; So be in the reaction system with heat radiation and the conduction of heat dual mode heated oils shale that combines; Utilize this experimental system for simulating can carry out under the different microwave, situation such as the conduction of heat rule of different regions oil shale microwave exploitation and shale oil recovery ratio are for different regions heating using microwave original position producing oil shale technology provides parameter and developing thought.
As shown in Figure 3, the experimental system for simulating of the exploitation method of a kind of embodiment of being applied to 1 of the utility model embodiment 2 comprises:
Microwave heating system is used to utilize heating using microwave oil shale and the thermal decomposition product of deriving oil shale, and said oil shale comprises the longitudinal crack that is filled with the microwave strongly absorbing medium;
Collect measuring system, be used to carry out condensation, collection and the measurement of the thermal decomposition product of oil shale;
Computer processing system is used to carry out temperature detection and analyzes the data of gathering;
Power control system is used to control the size that microwave produces power;
Wherein, said power control system, said collection measuring system and said computer processing system link to each other with said microwave heating system respectively.
As preferred embodiment; Above-mentioned power control system links to each other through data wire with microwave generator in the above-mentioned microwave heating system; Oil gas delivery line in the above-mentioned microwave heating system links to each other with above-mentioned collection measuring system, and the Temperature Detector in the above-mentioned microwave heating system links to each other with aforementioned calculation machine treatment system through data wire.The back literary composition can be described in detail, wouldn't launch to detail at this.
Particularly, computer processing system comprises the input-output equipment (like keyboard) of computer data process software and data.
Fig. 4 is the structural representation of microwave heating system among the utility model embodiment 2, collection measuring system; Fig. 5 is along the revolved sectional view of A-A ' line among Fig. 4.In conjunction with consulting Fig. 4-Fig. 5; Particularly, above-mentioned microwave heating system comprises: microwave generator 1, microwave ingress pipe 2, microwave plumbing 3, microwave launch hole 4, the longitudinal crack 5 that is filled with the microwave strongly absorbing medium, reaction kettle body 6, insulation layer or insulation cylindrical shell 7, Temperature Detector (8,9,10,11), upper cover 12, upper and lower oil gas vent (13,22) and oil gas delivery line 14,23.Above-mentioned waveguide 3 is positioned at said reaction kettle body 6 central authorities, and microwave launch hole 4 is arranged on the waveguide 3.The bottom of aforesaid reaction vessel body 6 is respectively arranged with the oil gas export mouth 13,22 that links to each other with said oil gas delivery line 14,23 with top, and aforesaid reaction vessel body 6 has lid 28, is sealed by said upper cover 12.Above-mentioned microwave ingress pipe 2, said temperature detector (8,9,10,11,29,30,31,32), said oil gas delivery line 14 are stuck on the said lid 28.
Further, as shown in Figure 4, these reaction kettle body 6 outer cover then are incubated cylindrical shell 7, have increased the heat-insulating property of this heater, have reduced energy consumption.Further, between this reaction kettle body 6 and this lid 28 sealing ring is set, has strengthened the effect of experiment.
Further, as shown in Figure 5, in the present embodiment, the quantity of this microwave ingress pipe 2 is one, and the thermocouple quantity that this Temperature Detector comprises is alternatively for a plurality of.It is in criss-cross four branches at center that said a plurality of thermocouple is evenly distributed in said waveguide; Be used for the temperature variations of monitors oil shale rock core diverse location respectively; Temperature variations is carried out record constantly, and transfer to computer processing system.
Particularly; As shown in Figure 4, this collection measuring system comprises: pressure sensor 15 and pressure digital display instrument 16, on/ trumpet cooler 17,24 of trapping; Gas-liquid separator 18, mass-flow gas meter 21 and last/following electronic balance 20,26 and on/following liquid collection tank 19,25.This pressure sensor 15 and pressure digital display instrument 16 link to each other with oil gas delivery line 14 in the microwave heating system; Should on/import of the trumpet cooler 17,24 of trapping respectively with microwave heating system on/following oil gas delivery line 14,23 is connected; Should go up double pipe condenser 17 outlets and connect this gas-liquid separator 18; The liquid phase outlet of gas-liquid separator 18 inserts goes up liquid collection tank 19; The gaseous phase outlet of gas-liquid separator 18 links to each other with mass-flow gas meter 21, on/following liquid collection tank 19,25 is placed on respectively on this/following electronic balance 20,26 on, the outlet of the trumpet cooler 24 of trapping connects liquid collection tank 25 down.
Further, as shown in Figure 4, in the present embodiment, be provided with pressure sensor 15 and pressure digital display instrument 16, be used for the pressure changing in the detection reaction kettle 6.
The course of work and the principle of this analogue experiment installation of the utility model embodiment are below described:
As shown in Figure 5; The position, hole of microwave plumbing 3, the position, hole of Temperature Detector 8,9,10,11,29,30,31,32 have been bored in oil shale rock core relevant position; The position is cut oil shale open between Temperature Detector 8 and 9 and 10 and 11 respectively, fills the microwave strongly absorbing medium.This oil shale rock core is packed in the reaction kettle body 6; Build lid 28 and seal; Then microwave plumbing 3, Temperature Detector 8,9,10,11,29,30,31,32 are inserted correspondence position; Connect power control system, microwave heating system, collection measuring system and computer processing system, opening power begins to utilize heating using microwave.Oil shale ore bed and microwave strongly absorbing medium temperature begin to raise; It is rapider than oil shale ore bed that the temperature of microwave strongly absorbing medium rises; The microwave strongly absorbing medium that temperature raises fast can be with heat conducting mode heated oils shale ore bed; Under two kinds of mode of heating actings in conjunction, oil shale ore bed temperature can rise to cracking temperature very soon.The product shale oil is discharged by oil gas export mouth 13 with gas form; Discharge in oil gas export mouth 22 with liquid form; Through tube-in- tube condenser 17,24 condensations, the oil gas that comes out through condensing apparatus 17 gets into gas-liquid separator 18 then, and gas is discharged through mass-flow gas meter 21; Liquid directly enters liquid collection tank 19, and the liquid that comes out through condensing apparatus 24 directly enters liquid collection tank 25.
The described experimental system for simulating of the utility model embodiment, can accomplish the work of following two aspects:
(1) heat conducting effect is carried out in heating using microwave under the simulation different capacity condition;
(2) effect that different microwave strongly absorbing mediums improve oil shale pyrolysis product recovery ratio is added in simulation.
According to above-mentioned principle and structure design; Set up the experimental system for simulating of a heating using microwave subterranean oil shale exploitation oil gas in XX branch; Carry out the thermal conduction effect simulated experiment and add the experiment that different microwave absorptions improve oil shale pyrolysis product recovery ratios through the Fushun oil shale successfully having been carried out heating using microwave under the different capacity condition, and experimental result is studied, when the result finds the heating using microwave oil shale; At first temperature rises very fast; But it is very slow that latter temperature rises, and end temperature rests on about 400 ℃, does not reach the oil shale cracking temperature fully; Add after the strong absorbent of microwave temperature and rise and obviously accelerate, the recovery ratio of shale oil increases to 69.3% from original 39.4%; It is main because oil shale ore bed and microwave strongly absorbing medium temperature raise simultaneously; It is more rapidly than the oil shale ore bed that the temperature of microwave strongly absorbing medium rises; Microwave strongly absorbing medium maximum temperature can reach about 800 ℃; The microwave strongly absorbing medium that temperature raises fast can be with heat conducting mode heated oils shale ore bed, and under two kinds of mode of heating actings in conjunction, oil shale ore bed temperature can rise to cracking temperature very soon.
This shows, the said experimental system for simulating of the utility model embodiment, research can experimentize to the oil shale of different regions.Can carry out under the different capacity condition, under the different microwave absorbing medium condition, conduction of heat rule during the oil shale heating using microwave of different regions and shale oil recovery ratio situation are set up evaluation criterion.Through annotating absorbing medium heating using microwave oil shale experimental study; Can analyze same experiment condition makes a bet and does not annotate the influence of microwave absorbing medium to oil shale conduction of heat and shale oil recovery ratio; Under the research different capacity condition; Inject and do not annotate the influence of absorbing medium to oil shale conduction of heat and shale oil recovery ratio, final optimization pass different regions microwave heating process parameter and developing thought.Promptly carry out underground retoring producing oil shale and test, have good popularizing application prospect for the paces of accelerating the exploitation of underground retoring producing oil shale and realization subterranean oil shale exploitation production.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas is characterized in that said experimental system for simulating comprises:
Microwave heating system is used to utilize heating using microwave oil shale and the thermal decomposition product of deriving said oil shale, and said oil shale comprises the longitudinal crack that is filled with the microwave strongly absorbing medium;
Collect measuring system, be used to carry out condensation, collection and the measurement of the thermal decomposition product of said oil shale;
Computer processing system is used to carry out the oil shale temperature detection and analyzes the data of gathering;
Power control system is used to control the power that microwave produces;
Wherein, said power control system, said collection measuring system and said computer processing system link to each other with said microwave heating system respectively.
2. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 1; It is characterized in that said microwave heating system comprises: microwave generator, microwave ingress pipe, waveguide, reaction kettle body, oil gas delivery line and Temperature Detector; Said reaction kettle body has lid; Said lid and said reaction kettle body seal with end socket, and the microwave launch hole is arranged on the said waveguide, and being convenient to microwave derives; Said waveguide, said oil gas delivery line and said Temperature Detector are stuck on the said lid, and seal.
3. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 2 is characterized in that said reaction kettle body outer cover then is incubated cylindrical shell.
4. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 2; It is characterized in that; It is central that said waveguide is positioned at said reaction kettle body, and the bottom of said reaction kettle body is respectively arranged with the oil gas export mouth that links to each other with said oil gas delivery line with top.
5. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 2 is characterized in that said Temperature Detector comprises a plurality of thermocouples.
6. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 5 is characterized in that it is in criss-cross four branches at center that said a plurality of thermocouples are evenly distributed in said waveguide.
7. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 2 is characterized in that, is provided with sealing ring between said reaction kettle body and the said lid.
8. the experimental system for simulating of heating using microwave subterranean oil shale exploitation oil gas according to claim 2; It is characterized in that; Said power control system links to each other through data wire with microwave generator in the said microwave heating system; Oil gas delivery line in the said microwave heating system links to each other with said collection measuring system, and the Temperature Detector in the said microwave heating system links to each other with said computer processing system through data wire.
9. exploit the experimental system for simulating of oil gas according to each described heating using microwave subterranean oil shale among the claim 1-8; It is characterized in that; Said collection measuring system comprises: on/trumpet cooler (17 of trapping; 24), gas-liquid separator (18), mass-flow gas meter (21), on/following electronic balance (20,26) and last/following liquid collection tank (19,25); On said/trumpet cooler (17 of trapping; 24) import respectively with said microwave heating system on/following oil gas delivery line (14,23) connects, said outlet of going up double pipe condenser (17) connects said gas-liquid separator (18); The liquid phase outlet of said gas-liquid separator (18) inserts the said liquid collection tank (19) that goes up; The gaseous phase outlet of said gas-liquid separator (18) links to each other with said mass-flow gas meter (21), said on/following liquid collection tank (19,25) be separately positioned on said on/following electronic balance (20; 26) on, the outlet of the said trumpet cooler of trapping (24) connects said liquid collection tank (25) down.
10. according to the experimental system for simulating of each described heating using microwave subterranean oil shale exploitation oil gas among the claim 1-8, it is characterized in that said microwave strongly absorbing medium is oil shale semi-coke or graphite or artificial synthetic microwave absorbing medium.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261238A (en) * | 2011-08-12 | 2011-11-30 | 中国石油天然气股份有限公司 | Method for exploiting oil gas by microwave heating of underground oil shale and simulation experiment system thereof |
| CN103698411A (en) * | 2013-12-25 | 2014-04-02 | 辽宁工程技术大学 | Device and method for improving coal bed gas desorption efficiency with microwaves |
| CN103835709A (en) * | 2014-03-20 | 2014-06-04 | 中国石油大学(华东) | Simulation experiment method for thickened oil thermal recovery reservoir layer fracture |
| CN106978998A (en) * | 2017-04-12 | 2017-07-25 | 西南石油大学 | Horizontal well makes the method that seam method and subterranean oil shale exploit oil gas |
| CN107762464A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | Oil shale in-situ oil recovery analogue means |
| CN112627789A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | In-situ mining simulation equipment for oil shale |
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2011
- 2011-08-12 CN CN201120293069XU patent/CN202560194U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261238A (en) * | 2011-08-12 | 2011-11-30 | 中国石油天然气股份有限公司 | Method for exploiting oil gas by microwave heating of underground oil shale and simulation experiment system thereof |
| CN103698411A (en) * | 2013-12-25 | 2014-04-02 | 辽宁工程技术大学 | Device and method for improving coal bed gas desorption efficiency with microwaves |
| CN103698411B (en) * | 2013-12-25 | 2015-06-17 | 辽宁工程技术大学 | Device and method for improving coal bed gas desorption efficiency with microwaves |
| CN103835709A (en) * | 2014-03-20 | 2014-06-04 | 中国石油大学(华东) | Simulation experiment method for thickened oil thermal recovery reservoir layer fracture |
| CN103835709B (en) * | 2014-03-20 | 2015-07-15 | 中国石油大学(华东) | Simulation experiment method for thickened oil thermal recovery reservoir layer fracture |
| CN107762464A (en) * | 2016-08-18 | 2018-03-06 | 中国石油化工股份有限公司 | Oil shale in-situ oil recovery analogue means |
| CN106978998A (en) * | 2017-04-12 | 2017-07-25 | 西南石油大学 | Horizontal well makes the method that seam method and subterranean oil shale exploit oil gas |
| CN106978998B (en) * | 2017-04-12 | 2020-10-02 | 西南石油大学 | Method for exploiting oil gas from underground oil shale |
| CN112627789A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | In-situ mining simulation equipment for oil shale |
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