CN109358176A - A kind of exploitation of oil shale in-situ influences laboratory analog system to groundwater environment - Google Patents
A kind of exploitation of oil shale in-situ influences laboratory analog system to groundwater environment Download PDFInfo
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- CN109358176A CN109358176A CN201811256692.0A CN201811256692A CN109358176A CN 109358176 A CN109358176 A CN 109358176A CN 201811256692 A CN201811256692 A CN 201811256692A CN 109358176 A CN109358176 A CN 109358176A
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- 239000004058 oil shale Substances 0.000 title claims abstract description 65
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 35
- 239000003673 groundwater Substances 0.000 title claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000003079 shale oil Substances 0.000 claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000004088 simulation Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000013480 data collection Methods 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 21
- 238000005065 mining Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000008398 formation water Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000011161 development Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000197 pyrolysis Methods 0.000 abstract description 5
- 238000003911 water pollution Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 inlet opening 22 Substances 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Immunology (AREA)
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Abstract
The present invention, which discloses a kind of exploitation of oil shale in-situ, influences laboratory analog system to groundwater environment, is mainly made of simulated formation structure case, water sampling bottle, condenser, shale oil receiving flask, air compressor, temperature control system, nitrogen cylinder, data collection system, computer system, aquifer water level controlling system, temperature sensor, pressure sensor, electrically heated rod, electrically heated rod interface；Establishing oil shale in-situ exploitation influences laboratory analog system device to groundwater environment, pyrolysis oil, gas are exploited and acquired to simulation oil shale in-situ, oil shale layer heating temperature is adjusted using temperature control system, the situation of change of formation temperature pressure is detected by temperature, pressure sensor, glass vision panel observes stratum crushing, fracture and cranny development situation, top water-bearing layer change of water quality is monitored, realizes the simulation influenced on aquifer System environment.Underground water pollution problem caused by by exploiting to oil shale in-situ is studied, and more accurately reflects the mechanism of disturbance of groundwater environmental system, promotes the promotion of oil shale in-situ production technique, to make oil shale in-situ exploitation be used widely.
Description
Technical field
The present invention, which discloses a kind of exploitation of oil shale in-situ, influences laboratory analog system to groundwater environment, is related to oil shale
In-situ retorting heating device, oil gas extraction system and top water-bearing layer simulation test device, belong to oil development technical field.
Background technique
As industrialized rapid development, the pushing forward comprehensively of Urbanization Construction, the swift and violent of auto industry increase etc., so that oily
Gas demand rises year by year, and Global Oil and Gas Resources are in short supply, and international oil price constantly rises, and expensive crude oil price just gradually influences
The fast development of Chinese society economy.The supplement energy of the oil shale as conventional gas and oil is provided because of its huge reserves in the whole world
Status in the strategy of source is increasingly shown.Oil shale (also known as oil shale) is a kind of high ash content sedimentary rock containing flammable organic matter,
Chemical component is mainly the elements such as C, H, O, N, S, and the content of organic matter is higher, predominantly sapropelic material, humus or mixed type, hair
Heat is generally higher than 4186.8kJ.Oil shale can be pyrolyzed out shale oil under 300-500 DEG C of oxygen-free environment, and shale oil is approximate former
Oil can produce diesel oil, gasoline etc. directly as fuel oil, or by working process.Oil shale in-situ exploitation, which can develop, buries
Hiding compared with deep, the biggish oil shale ore bed of thickness, and will not into air discharge of noxious gases, dust particles etc., countries in the world
Actively study oil shale in-situ production technique.Currently, oil shale in-situ exploitation is tried in desk research and small-scale field
The stage is tested, the influence to groundwater environment is on the knees of the gods.Therefore, it is necessary to a kind of exploitations of oil shale in-situ to influence on groundwater environment
Underground water pollution problem caused by laboratory analog system device exploits oil shale in-situ is studied, more accurately reflection ground
The mechanism of disturbance of lower Water Environment System promotes the promotion of oil shale in-situ production technique, to make oil shale in-situ exploit to obtain
It is widely applied.
Currently, the domestic groundwater environment problem caused by in-situ retorting be related in terms of coal seam and coal-bed gas exploitation compared with
It is more, but the not research for being exploited to oil shale in-situ, also underground water guide caused by oil shale in-situ exploitation is not split
The simulation analysis of the development of gap band and water pollution issue.
Summary of the invention
The present invention provides a kind of exploitations of oil shale in-situ to influence laboratory analog system device, simulation to groundwater environment
Underground water pollution problem caused by system and device exploits oil shale in-situ is studied, and more accurately reflects groundwater environment system
The mechanism of disturbance of system promotes the promotion of oil shale in-situ production technique, to make oil shale in-situ exploitation be used widely.
A kind of oil shale in-situ exploitation of the present invention influences laboratory analog system to groundwater environment, mainly by mould
Quasi- earth formation case, water sampling bottle, condenser, shale oil receiving flask, air compressor, temperature control system, nitrogen cylinder, number
Add according to acquisition system, computer system, aquifer water level controlling system, temperature sensor, pressure sensor, electrically heated rod, electricity
Hot pin interface is constituted；
The simulated formation structure case is closed thermally insulated container, and case is interior to be equipped with phreatic aquifer, shale layer, oil according to ratio
Rammell and artesian aquifer simulate oil shale earth formation containing mining area；High-boron-silicon glass form is inlaid on cabinet, for seeing
Examine simulated conditions；The bottom of simulated formation structure case is equipped with electrically heated rod, is electrically connected with temperature control system and computer system,
For controlling the heating of electrically heated rod；Temperature sensor is additionally provided in simulated formation structure case, pressure sensor is uniformly distributed in
Phreatic aquifer, shale layer, oil shale layer and artesian aquifer, and be electrically connected with data collection system, computer system, it realizes
Detection is automatically recorded to the formation temperature of entire simulation oil shale earth formation containing mining area, pressure, data are introduced directly into meter
Calculation machine system；
The right side of simulated formation structure case is equipped with inlet opening, air inlet, and inlet opening is connected with aquifer water level controlling system, uses
The water supply in water-bearing layer and head control in for simulated formation structure case；Air inlet is connected with nitrogen cylinder, passes through nitrogen valve
Control be to be passed through nitrogen in simulated formation structure case, inlet opening, air inlet can be with the differences of simulated formation using general-purpose interface
Adjust position；
The left side of simulated formation structure case is equipped with apopore, venthole, and apopore is connected with water sampling bottle, for exporting,
Acquire the water sample in simulated formation water-bearing layer；Simulated formation structure case is connected by venthole with gas-guide tube, and oil shale layer is pyrolyzed
Oil, conductance enter shale oil receiving flask, shale oil receiving flask is placed in condenser, condenser realize oil, gas ingredient separation
So that oil shale oil is stored in shale oil receiving flask, shale gas is discharged by gas collection mouth；Condenser and air compressor
It connects circulating water supply and realizes condensation effect；Apopore, venthole can be with the different adjustment positions of simulated formation using general-purpose interface.
The positive effect of the present invention is:
Establishing oil shale in-situ exploitation influences laboratory analog system device, simulation oil shale in-situ exploitation to groundwater environment
And pyrolysis oil, gas are acquired, oil shale layer heating temperature is adjusted using temperature control system, is detected by temperature, pressure sensor
The situation of change of formation temperature pressure, glass vision panel observe stratum crushing, fracture and cranny development situation, monitor top water-bearing layer
Change of water quality realizes the simulation influenced on aquifer System environment.Underground water pollution caused by by being exploited to oil shale in-situ
Problem is studied, and more accurately reflects the mechanism of disturbance of groundwater environmental system, promotes mentioning for oil shale in-situ production technique
It rises, to make oil shale in-situ exploitation be used widely.
Detailed description of the invention
Fig. 1 schematic structural view of the invention；
The sensor position artwork of Fig. 2 simulated formation structure case of the present invention；
The water, oil, gas sample collection location figure of Fig. 3 simulated formation structure case of the present invention；
Inlet opening, air inlet and the heating rod location drawing of Fig. 4 simulated formation structure case of the present invention；
In figure, 1 simulated formation structure case；2 high-boron-silicon glass forms；3 water sampling bottles；4 condensers；5 gas collection mouths；Page 6
Shale oil receiving flask；7 gas-guide tubes；8 air compressors；9 temperature control systems；10 nitrogen cylinders；11 nitrogen valves；12 data acquisition system
System；13 computer systems；14 aquifer water level controlling systems；15 temperature sensors；16 pressure sensors；17 electrically heated rods；18
Inlet opening；19 air inlets；20 electrically heated rod interfaces；21 ventholes；22 apopores.
Specific embodiment
By following embodiment further illustrate description the present invention, do not limit the invention in any way, without departing substantially from
Under the premise of technical solution of the invention, easy to accomplish any of those of ordinary skill in the art made for the present invention changes
Dynamic or change is fallen within scope of the presently claimed invention.
Embodiment 1
As described in Figure 1, a kind of oil shale in-situ exploitation provided by the invention influences laboratory analog system dress to groundwater environment
It sets, mainly by simulated formation structure case 1, water sampling bottle 3, condenser 4, shale oil receiving flask 6, air compressor 8, temperature control
System 9 processed, nitrogen cylinder 10, data collection system 12, computer system 13, aquifer water level controlling system 14, temperature sensor
15, pressure sensor 16, electrically heated rod 17, electrically heated rod interface 20 are constituted；
The simulated formation structure case 1 is closed thermally insulated container, in case according to ratio be equipped with phreatic aquifer, shale layer,
Oil shale layer and artesian aquifer simulate oil shale earth formation containing mining area；It is inlaid with high-boron-silicon glass form 2 on cabinet, uses
In observation simulated conditions；The bottom of simulated formation structure case 1 is equipped with electrically heated rod 17, with temperature control system 9 and department of computer science
10 electrical connection of system, for controlling the heating of electrically heated rod 17；Temperature sensor 15, pressure are additionally provided in simulated formation structure case 1
Sensor 16 is uniformly distributed in phreatic aquifer, shale layer, oil shale layer and artesian aquifer, and with data collection system 13,
Computer system 10 is electrically connected, and realizes the automatic note to the entire formation temperature for simulating oil shale earth formation containing mining area, pressure
Record detection, data are introduced directly into computer system 10(referring to fig. 2).
Inlet opening 22, air inlet 19, inlet opening 22 and aquifer water are equipped with referring to the right side of Fig. 4 simulated formation structure case 1
Level controlling system 14 is connected, for the water supply and head control for water-bearing layer in simulated formation structure case 2；Air inlet 19 and nitrogen
Gas cylinder 10 is connected, and the control by nitrogen valve 11 is to be passed through nitrogen, inlet opening 22, air inlet in simulated formation structure case 1
19 can be with the different adjustment positions of simulated formation using general-purpose interface.
Apopore 21, venthole 18, apopore 21 and water sampling are equipped with referring to the left side of Fig. 3 simulated formation structure case 1
Bottle 3 is connected, for exporting, acquiring the water sample in simulated formation water-bearing layer；Simulated formation structure case 1 passes through venthole 18 and air guide
Pipe 7 is connected, and the oil of oil shale layer pyrolysis, conductance are entered shale oil receiving flask 6, and shale oil receiving flask 6 is placed in condenser 4,
Condenser 4 realizes the separation of oil, gas ingredient so that oil shale oil is stored in shale oil receiving flask 6, and shale gas is received by gas
Collect mouth 5 to be discharged；Condenser 4 connect circulating water supply with air compressor 8 and realizes condensation effect；Apopore 21, venthole 18 use
General-purpose interface can be with the different adjustment positions of simulated formation.
Embodiment 2
Simulate influence of the agriculture peace oil shale in-situ exploitation to groundwater environmental system.According to the ratio of 1:200, simulates agriculture and pacify oily page
Rock earth formation containing mining area, 1 middle and lower part of simulated formation structure case indicate oil shale lower part shale layer, mud stone equipped with 5cm thickness clay
Layer top is 4cm heat-bodied oil shale, indicates oil shale layer, has heating rod 17 among oil shale layer, oil shale layer top is clay, thick
26cm indicates oil shale layer top shale layer, is thereon thick 2cm fine sand, indicates phreatic aquifer；Phreatic aquifer passes through No. 21
Inlet opening is connected with aquifer water level controlling system 14, is connect by No. 18 apopores with water sample collector 3.
Temperature control system 9 and computer system 12 are opened, then data collection system 13 acquires in simulated formation structure case 1
Temperature, pressure index feed back to computer system 12, realize the acquisition of pressure and the control of temperature and acquisition.
Nitrogen cylinder 10 is connected to the air inlet 19 of simulated formation structure case 1, and when operation first opens nitrogen valve 11, is made
Oxygen-free environment is kept in simulated formation structure case 1；Start-up temperature control system 9 drives heating rod 17 to begin to warm up, simulated formation
Oil shale in structure case 1 is gradually warmed up pyrolysis；The displacement in 2 Observable simulated formation of high-boron-silicon glass form and water-bearing layer becomes
Shape；Condenser 4 utilizes water circularly cooling by air compressor 8, and temperature controlling range is 10-20 DEG C；The oil gas generated after pyrolysis
Entered in the shale oil collecting bottle 6 in condenser 4 by venthole 21 by gas-guide tube 7 with the nitrogen being passed through, due to condenser 4
The high-temperature oil gas of condensation, importing is separated in shale oil collecting bottle 6, and shale oil has stayed in shale oil collecting bottle 6
In, gas componant is excluded by gas collection mouth 5；
It is directly observed the pyrolytic process of oil shale, the generation of formation fracture and development condition in device operational process, can acquire
Water-bearing layer water sample detection change of water quality.After heating take out earth formation case in pedotheque carry out total organic carbon (TOC) and
The detection of the substances such as total petroleum hydrocarbon (TPH).Detection simulated formation soil and water-bearing layer water quality find total organic carbon (TOC), total
Petroleum hydrocarbon (TPH) content is significantly raised.Illustrate that oil shale in-situ exploitation has larger impact to stratum and aquifer System, device can
Preferable simulation oil shale shale in-situ exploits the influence to groundwater environmental system.
Claims (1)
1. a kind of oil shale in-situ exploitation influences laboratory analog system to groundwater environment, it is characterised in that:
Mainly by simulated formation structure case, water sampling bottle, condenser, shale oil receiving flask, air compressor, temperature control system
System, nitrogen cylinder, data collection system, computer system, aquifer water level controlling system, temperature sensor, pressure sensor, electricity
Heating rod, electrically heated rod interface are constituted；
The simulated formation structure case is closed thermally insulated container, and case is interior to be equipped with phreatic aquifer, shale layer, oil according to ratio
Rammell and artesian aquifer simulate oil shale earth formation containing mining area；High-boron-silicon glass form is inlaid on cabinet, for seeing
Examine simulated conditions；The bottom of simulated formation structure case is equipped with electrically heated rod, is electrically connected with temperature control system and computer system,
For controlling the heating of electrically heated rod；Temperature sensor is additionally provided in simulated formation structure case, pressure sensor is uniformly distributed in
Phreatic aquifer, shale layer, oil shale layer and artesian aquifer, and be electrically connected with data collection system, computer system, it realizes
Detection is automatically recorded to the formation temperature of entire simulation oil shale earth formation containing mining area, pressure, data are introduced directly into meter
Calculation machine system；
The right side of simulated formation structure case is equipped with inlet opening, air inlet, and inlet opening is connected with aquifer water level controlling system, uses
The water supply in water-bearing layer and head control in for simulated formation structure case；Air inlet is connected with nitrogen cylinder, passes through nitrogen valve
Control be to be passed through nitrogen in simulated formation structure case, inlet opening, air inlet can be with the differences of simulated formation using general-purpose interface
Adjust position；
The left side of simulated formation structure case is equipped with apopore, venthole, and apopore is connected with water sampling bottle, for exporting,
Acquire the water sample in simulated formation water-bearing layer；Simulated formation structure case is connected by venthole with gas-guide tube, and oil shale layer is pyrolyzed
Oil, conductance enter shale oil receiving flask, shale oil receiving flask is placed in condenser, condenser realize oil, gas ingredient separation
So that oil shale oil is stored in shale oil receiving flask, shale gas is discharged by gas collection mouth；Condenser and air compressor connect
It connects circulating water supply and realizes condensation effect；Apopore, venthole can be with the different adjustment positions of simulated formation using general-purpose interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811256692.0A CN109358176A (en) | 2018-10-26 | 2018-10-26 | A kind of exploitation of oil shale in-situ influences laboratory analog system to groundwater environment |
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| CN201811256692.0A CN109358176A (en) | 2018-10-26 | 2018-10-26 | A kind of exploitation of oil shale in-situ influences laboratory analog system to groundwater environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112949089A (en) * | 2021-04-01 | 2021-06-11 | 吉林大学 | Aquifer structure inversion identification method based on discrete convolution residual error network |
| CN113552076A (en) * | 2021-08-18 | 2021-10-26 | 重庆地质矿产研究院 | Deep groundwater environment monitoring and early warning method and system for shale gas development area |
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| US4133381A (en) * | 1977-12-27 | 1979-01-09 | Occidental Oil Shale, Inc. | Contacting treated oil shale with carbon dioxide to inhibit leaching |
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