CN209069611U - Dynamic Water lithofacies interaction experimental provision under high-temperature and high-pressure conditions - Google Patents
Dynamic Water lithofacies interaction experimental provision under high-temperature and high-pressure conditions Download PDFInfo
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- CN209069611U CN209069611U CN201821597191.4U CN201821597191U CN209069611U CN 209069611 U CN209069611 U CN 209069611U CN 201821597191 U CN201821597191 U CN 201821597191U CN 209069611 U CN209069611 U CN 209069611U
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Abstract
The utility model relates to Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions, experimental provision is made of high temperature and pressure system, hydraulic control system, recharge water body injected system and data acquisition processing system；This experimental provision high degree of automation can restore the temperature and pressure condition of deep formation, increase the mass ratio of rock and liquid, so that the quality of rock is greater than liquid quality, further to the response situation of actual formation；In the case of realizing recharge, the dynamic analog under water flow mobility status in the case of earth formation deep Water-rock interaction, further water velocity can realize the Water-rock interaction in situation different in flow rate by air pressure adjustment；It is able to carry out Different Strata pressure, the Dynamic Water rock reaction experiment of different temperatures and different-grain diameter rock particles；The automatic mixing of recharge water body is realized by the reasonable distribution of gas circuit；It also ensures and is not reacted with experimental water while high pressure air pressure is provided and the reliability of experimental result.
Description
Technical field
The utility model belongs to water lithification dynamics technology field, is related to water body under deep formation high-temperature and high-pressure conditions and returns
The Dynamic Water lithofacies Interaction Simulation experimental technique of filling, and in particular to the interaction of Dynamic Water lithofacies is real under a kind of high-temperature and high-pressure conditions
Experiment device.
Background technique
Underground water is the water flow flowed, it and surrounding medium constantly carry out physics, mechanics, chemical work
With, and influence the property and chemical composition of subsurface flow；Meanwhile also rock soil medium state is had an impact, these are referred to as water
Lithofacies interaction.The dissolution of karst, that is, rock and deposited phenomenon are a part of water lithofacies interaction.In recent years, with earth's surface lake
The water Rock equilibrium of reservoir script is broken in the development and utilization of water and geothermal tail water deep layer recharging technique, the invasion of external water body,
Complicated water lithofacies interaction occurs with rock in reservoir, leads to the dissolution or precipitating of rock, the quality of groundwater thus caused
Problem and blockage problem become global problem.Therefore, under reasonable prediction recirculation condition, institute in water and rock interaction process
The chemical reaction of generation, the change of chemical composition of groundwater and the dissolution of rock and precipitating trend become the task of top priority after reaction.
Currently, the indoor water rock reaction experiment multi-pass in simulated formation deep crosses high-temperature high-pressure reaction kettle and rock core Flow Meter comes
It realizes.High-temperature high-pressure reaction kettle is able to achieve high-temperature and high-pressure conditions and is lauched static reaction with rock, can not achieve under flow regime
The response situation of water and rock, and due to the limitation of experiment condition, in reaction kettle experimentation, the quality of water is greater than rock in kettle
The quality of stone, this is very much not consistent with the physical condition on stratum, is equivalent to and expands the porosity of rock, cannot restore concerning ground well
The full-scale condition of layer.Rock core Flow Meter utilizes insulating box or high temperature and pressure core holding unit simulated formation temperature, utilizes confining pressure mould
The dynamic response of water and rock may be implemented in pseudo-reservoir pressure, but rock core Flow Meter sample is necessary for column, cannot be for pine
It dissipates rock class or rock particles carries out Water-rock interaction test.It is equivalent to reaction of the simulation water in rock fracture, contact area in this way
It is too small, it reacts insufficient.It can be seen that existing Water-rock interaction laboratory apparatus can not achieve sufficient, dynamic water under the conditions of true stratum
Rock reaction simulation is badly in need of a kind of new experimental provision of utility model to solve problem above.
Summary of the invention
The purpose of this utility model is that in view of the above shortcomings of the prior art, provide dynamic under a kind of high-temperature and high-pressure conditions
State water lithofacies interaction experimental provision, the experimental provision and the temperature and pressure condition that deep formation can not only be restored, simulation
Recharge water body enters the Dynamic Water lithofacies interaction experiment of deep reservoir generation, and is able to carry out different pressures, different temperatures
With the Dynamic Water rock reaction experiment of the rock particles of different-grain diameter, experimental water can be lake water, geothermal tail water or recharge respectively
Water (lake water or geothermal tail water) and water flooding be mixed in a certain ratio after mixing water.
The purpose of this utility model is achieved through the following technical solutions:
Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions, by high temperature and pressure system, hydraulic control
System, recharge water body injected system and data acquisition processing system are constituted.
The high temperature and pressure system is made of insulating box 3, piston rod 4, consolidation piston 5, rock sample clamper 6 and support frame 7；
The rock sample clamper 6 has the inner cavity of a receiving rock sample, is provided with lower rock sample bucket fixator 18, bottom below inner cavity
Center be provided with recharge liquid flow import 181；The top of consolidation piston 5 is connected with the bottom end of piston rod 4, consolidates piston
Liquid flowing outlet 23 is provided on 5, consolidation piston 5 is pushed away by the piston rod 4 being connected with hydraulic activator 2 in hydraulic control system
Dynamic be slidably matched with inner cavity carries out pressure control to the rock sample being placed in inner cavity.
The hydraulic control system further includes electro-hydraulic servo control platform 1, is connected to by pressure sensor P1 hydraulic dynamic
On power machine 2, hydraulic activator 2 is mounted on the top of insulating box 3, the electro-hydraulic servo control platform 1 and calculating by support frame 7
Machine 17 is connected, and inputs pressurization state modulator electro-hydraulic servo control platform 1 by computer 17, further controls hydraulic activator 2 and apply
Add the strata pressure of simulation.
The recharge water body injected system be by gas source 8 through switch K1, pressure regulator valve V2, gas compressor 10, air accumulator 9,
It is divided into three gas circuits after switch K2 and pressure regulator valve V3.First gas circuit is connected with the air inlet of mixing water liquid storage container 13, liquid
Liquid outlet through mixing water liquid storage container 13 is connected on the rock sample clamper 6 of model system by pipeline；Article 2 gas circuit with
The air inlet of recharge water body liquid storage container 11 is connected, and the liquid in recharge water body liquid storage container 11 is stored up by liquid outlet and mixing water
Liquid container 13 is connected；Article 3 gas circuit is connected with the air inlet of water flooding liquid storage container 12, the liquid in water flooding liquid storage container 12
Body is connected by liquid outlet with mixing water liquid storage container 13；Recharge water body, that is, lake water or ground are housed in recharge water body liquid storage container 11
Hot tail water, water flooding is equipped in water flooding liquid storage container 12, and mixing water liquid storage container 13 presses one equipped with recharge water body and water flooding
The recharge simulation of recharge water body may be implemented in the mixing water of certainty ratio, and the recharge simulation of water flooding, recharge water body and water flooding are pressed
Simulation under certain proportion mixing, and blender 14 is set in mixing water liquid storage container 13, recharge water body and water flooding can be made mixed
It closes abundant.The gas of the offer of 10 compressed gas source 8 of gas compressor, provides High-Voltage Experimentation gas and is stored by air accumulator 9, pass through tune
The adjusting of pressure valve V3 provides different air pressures.
The data acquisition processing system by liquid collection tank 15, electronic balance 16, pressure sensor P1, P2, P3, P4,
Displacement display table S, thermocouple I 241, thermocouple II 242, thermocouple III 243, data collector 171 and computer 17 form.
Liquid is entered in liquid collection tank 15 by collection conduit after reaction, and electronic balance 16 weighs the matter of liquid in liquid collection tank 15
Amount；Thermocouple I 241 is mounted in the inner wall of insulating box 3；Thermocouple II 242 and thermocouple III 243 are respectively placed in consolidation piston 5
Inside internal and lower rock sample bucket fixator 18；Mixing water liquid storage container 13, recharge water body liquid storage container 11 and water flooding liquid storage hold
Pressure sensor is equipped at the liquid inlet of device 12 and the inlet of hydraulic activator 2；Displacement display table S is mounted on hydraulic
The displacement of hydraulic activator 2 is monitored on engine 2.The thermocouple I 241, thermocouple II 242 and thermocouple III 243, pressure pass
Sensor P1, pressure sensor P2, pressure sensor P3 and pressure sensor P4, electronic balance 16 and displacement display table S respectively with
Data collector 171 is connected, and data collector 171 is connected with computer 17, realizes the automatic acquisition and processing of data.
Further, the rock sample clamper 6 is by lower rock sample bucket fixator 18, rock sample bucket 19, upper rock sample bucket fixator 20
It is formed with locking cap 21.
Lower rock sample bucket fixator 18 is in the ring-shaped cylinder barrel-like structure of lower end closed, and the center of bottom is provided with back
Liquid filling body flows into mouth 181, and outer wall is provided with screw thread, and rock sample bucket limit table top 182 is provided on inner wall, and lower rock sample bucket is fixed
The upper end of device 18 is provided with closed ring inclined-plane 183, for being connected with upper rock sample bucket fixator 20.
Rock sample bucket 19 is in annulus tubular, diameter 6.18cm, high 18cm.Its bottom end is placed in the stop collar of lower rock sample bucket fixator
On shape table top 182.
The cylindrical structure of upper rock sample bucket fixator 20, upper rock sample bucket fixator 20 are located at the outside of rock sample bucket 19 and upper rock
The bottom end of sample bucket fixator 20 is connect with the closed ring inclined-plane 183 of lower 18 upper end of rock sample bucket fixator, upper rock sample bucket fixator
20 are provided with sealing ring 201 resistant to high temperature with being connected at closed ring inclined-plane 183 for lower rock sample bucket fixator 18, and upper rock sample bucket is solid
Determine the positioning table terrace 202 for being provided with rock sample bucket top on the inner wall of device 20, is provided on the outer wall of upper rock sample bucket fixator 20
Locking cap annular stop table top 203.
The cylindrical structure of locking cap 21 is located at the outside of lower rock sample bucket fixator 18 and upper rock sample bucket fixator 20, locking
Ring compression table top 211 is arranged in the top of cap 21, is provided with screw thread on the inner wall bottom end of locking cap 21, passes through 21 spiral shell of locking cap
Ring compression table top 211 above line is pressed on the locking cap annular stop table top 203 on rock sample bucket fixator outer wall, with
The screw thread being arranged on lower 18 outer wall of rock sample bucket fixator screws up, and realizes the fixation to rock sample bucket 19 and upper rock sample bucket fixator 20.
Further, sealing collar resistant to high temperature is provided at the lumen contact of the consolidation piston 5 and rock sample clamper 6
22, increase leakproofness, prevents fluid seepage.
Further, the perforation for installing thermocouple II 242 is additionally provided in the consolidation piston 5, for placing heat
Galvanic couple thermocouple II 242；It is additionally provided with the perforation for installing thermocouple III 243 inside the lower rock sample bucket fixator 18, uses
In placement thermocouple III 243.
Further, the temperature range of insulating box 3 is room temperature to 250 DEG C, the pressure that hydraulic control system can pressurize to rock sample
Power range is 0-12MPa.
Further, all pipelines of experimental provision are all made of pipeline resistant to high temperature.
Further, gas source 8 used is inert nitrogen gas, guarantees not react with experimental water while providing air pressure,
Guarantee the reliability of experimental result.
It further, is to guarantee recharge water body liquid storage container 11, water flooding liquid storage container 12, in mixing water liquid storage container 13
Air pressure supply, the liquid reserves in container are not more than the 2/3 of container capacity.
Compared with prior art, the utility model has the beneficial effects that:
(1) experimental provision can restore the temperature and pressure condition of deep formation, increase the quality of rock and liquid
Than making the quality of rock be greater than liquid quality, further to the response situation of actual formation.
(2) in the case of realizing recharge, the dynamic analog under water flow mobility status in the case of earth formation deep Water-rock interaction,
Further water velocity can realize the Water-rock interaction in situation different in flow rate by air pressure adjustment.
(3) it is able to carry out Different Strata pressure, the Dynamic Water rock reaction experiment of different temperatures and different-grain diameter rock particles,
It is beneficial to scientific experiment research.
(4) the automatic mixing of recharge water body is realized by the reasonable distribution of gas circuit.Experimental water can be lake water, underground heat
Tail water or recharge water and water flooding be mixed in a certain ratio after mixing water.
(5) gas source for providing air pressure is inert nitrogen gas, and by gas compressor boil down to high pressure gas, is guaranteed
It is not reacted with experimental water while high pressure air pressure is provided, guarantees the reliability of experimental result.
(6) experimental provision high degree of automation passes through Computercontrolled data acquisition and consolidation pressure.
Detailed description of the invention
Fig. 1 is the system diagram of the Dynamic Water lithofacies interaction experimental provision under high-temperature and high-pressure conditions；
Fig. 2 is the sectional view of the model system of the Dynamic Water lithofacies interaction experimental provision under high-temperature and high-pressure conditions.
1. 2. hydraulic activator of electro-hydraulic servo control platform, 3. insulating box, 4. piston rod 5. consolidates the clamping of 6. rock sample of piston
11. recharge water body liquid storage container of device 7. support frame, 8. gas source, 9. air container, 10. gas compressor, 12. water flooding liquid storage
17. computer of container 13. mixing water liquid storage container, 14. blender, 15. liquid collection tank, 16. electronic balance, 171. data
Lower 181. recharge liquid flow import of rock sample bucket fixator, 182. rock sample bucket limit, 183. closed ring of table top of collector 18. is oblique
The positioning table terrace on the 202. rock sample bucket top of sealing ring resistant to high temperature of rock sample bucket fixator 201. on 19. rock sample bucket 20. of face
203. 21. locking cap of locking cap annular stop table top, 211. ring compression table top 22., 23. liquid of sealing collar resistant to high temperature
241. thermocouple of outflux, I 242. thermocouple, II 243. thermocouple III.
Specific embodiment
The technical solution of the utility model is described in more detail with reference to the accompanying drawings and detailed description.
Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions, by high temperature and pressure system, hydraulic control
System, recharge water body injected system and data acquisition processing system are constituted.
The high temperature and pressure system is by insulating box 3, piston rod 4, consolidation piston 5, rock sample clamper 6 and 7 groups of support frame
At.The temperature range of insulating box 3 is room temperature to 250 DEG C.
The rock sample clamper 6 is by lower rock sample bucket fixator 18, rock sample bucket 19, upper rock sample bucket fixator 20 and locking cap 21
Composition, rock sample clamper 6 have the inner cavity of a receiving rock sample, are provided with lower rock sample bucket fixator 18 below inner cavity, are in
The ring-shaped cylinder barrel-like structure of lower end closed, the center of bottom are provided with recharge liquid flow import 181, outer wall setting
There is screw thread, rock sample bucket limit table top 182 is provided on inner wall, it is oblique that the upper end of lower rock sample bucket fixator 18 is provided with closed ring
Face 183, for being connected with upper rock sample bucket fixator 20.Rock sample bucket 19 is in annulus tubular, and bottom end is placed in lower rock sample bucket and fixes
On the limit circular table 182 of device.The cylindrical structure of upper rock sample bucket fixator 20, upper rock sample bucket fixator 20 are located at rock sample
The outside and the bottom end of upper rock sample bucket fixator 20 of bucket 19 and the closed ring inclined-plane 183 of lower 18 upper end of rock sample bucket fixator connect
It connects, being connected at closed ring inclined-plane 183 of upper rock sample bucket fixator 20 and lower rock sample bucket fixator 18 is provided with resistant to high temperature close
Seal 201, the positioning table terrace 202 on rock sample bucket top is provided on the inner wall of upper rock sample bucket fixator 20, and upper rock sample bucket is fixed
Locking cap annular stop table top 203 is provided on the outer wall of device 20.The cylindrical structure of locking cap 21 is located at lower rock sample bucket and fixes
Ring compression table top 211, the inner wall of locking cap 21 is arranged in the top in the outside of device 18 and upper rock sample bucket fixator 20, locking cap 21
It is provided with screw thread on bottom end, is pressed on outside upper rock sample bucket fixator by the ring compression table top 211 above 21 screw thread of locking cap
It on locking cap annular stop table top 203 on wall, screws up, is realized to rock with the screw thread being arranged on lower 18 outer wall of rock sample bucket fixator
The fixation of sample bucket 19 and upper rock sample bucket fixator 20.It is additionally provided with inside the lower rock sample bucket fixator 18 for installing thermocouple
III 243 perforation, for placing thermocouple III 243.
The top of the consolidation piston 5 is connected with the bottom end of piston rod 4, consolidates and is provided with liquid flowing outlet 23 on piston 5,
It is provided with sealing collar 22 resistant to high temperature at the lumen contact of consolidation piston 5 and rock sample clamper 6, increases leakproofness, prevents liquid
Leakage.The perforation for installing thermocouple II 242 is additionally provided in consolidation piston 5, for placing hot thermocouple galvanic couple II 242.
Consolidation piston 5 is slidably matched by the promotion of the piston rod 4 that is connected with hydraulic activator 2 in hydraulic control system and inner cavity to being placed in
Rock sample in inner cavity carries out pressure control.
The hydraulic control system further includes electro-hydraulic servo control platform 1, is connected to by pressure sensor P1 hydraulic dynamic
On power machine 2, hydraulic activator 2 is mounted on the top of insulating box 3, the electro-hydraulic servo control platform 1 and calculating by support frame 7
Machine 17 is connected, and inputs pressurization state modulator electro-hydraulic servo control platform 1 by computer 17, further controls hydraulic activator 2 and apply
Add the strata pressure of simulation.The pressure limit that hydraulic control system can pressurize to rock sample is 0-12MPa.
The recharge water body injected system be by gas source 8 through switch K1, pressure regulator valve V2, gas compressor 10, air accumulator 9,
It is divided into three gas circuits after switch K2 and pressure regulator valve V3.First gas circuit is connected with the air inlet of mixing water liquid storage container 13, liquid
Liquid outlet through mixing water liquid storage container 13 is connected on the rock sample clamper 6 of model system by pipeline；Article 2 gas circuit with
The air inlet of recharge water body liquid storage container 11 is connected, and the liquid in recharge water body liquid storage container 11 is stored up by liquid outlet and mixing water
Liquid container 13 is connected；Article 3 gas circuit is connected with the air inlet of water flooding liquid storage container 12, the liquid in water flooding liquid storage container 12
Body is connected by liquid outlet with mixing water liquid storage container 13；Recharge water body, that is, lake water or ground are housed in recharge water body liquid storage container 11
Hot tail water, water flooding is equipped in water flooding liquid storage container 12, and mixing water liquid storage container 13 presses one equipped with recharge water body and water flooding
The recharge simulation of recharge water body may be implemented in the mixing water of certainty ratio, and the recharge simulation of water flooding, recharge water body and water flooding are pressed
Simulation under certain proportion mixing, and blender 14 is set in mixing water liquid storage container 13, recharge water body and water flooding can be made mixed
It closes abundant.The gas of the offer of 10 compressed gas source 8 of gas compressor, provides High-Voltage Experimentation gas and is stored by air accumulator 9, pass through tune
The offer of the regulating guarantee high pressure air pressure of pressure valve V3.Gas source 8 used be inert nitrogen gas, guarantee provide air pressure while not with
Experimental water reaction, guarantees the reliability of experimental result.For guarantee recharge water body liquid storage container 11, water flooding liquid storage container 12,
Air pressure in mixing water liquid storage container 13 is supplied, and the liquid reserves in container are not more than the 2/3 of container capacity.
The data acquisition processing system by liquid collection tank 15, electronic balance 16, pressure sensor P1, P2, P3, P4,
Displacement display table S, thermocouple I 241, thermocouple II 242, thermocouple III 243, data collector 171 and computer 17 form.
Liquid is entered in liquid collection tank 15 by collection conduit after reaction, and electronic balance 16 weighs the matter of liquid in liquid collection tank 15
Amount；Thermocouple I 241 is mounted in the inner wall of insulating box 3；Thermocouple II 242 and thermocouple III 243 are respectively placed in consolidation piston 5
Inside internal and rock sample bucket fixator 18；Mixing water liquid storage container 13, recharge water body liquid storage container 11 and water flooding liquid storage container
Pressure sensor is equipped at 12 liquid inlet and the inlet of hydraulic activator 2；Displacement display table S is mounted on hydraulic dynamic
The displacement of hydraulic activator 2 is monitored on power machine 2.The thermocouple I 241, thermocouple II 242 and thermocouple III 243, pressure sensing
Device P1, pressure sensor P2, pressure sensor P3 and pressure sensor P4, electronic balance 16 and displacement display table S respectively with number
It is connected according to collector 171, data collector 171 is connected with computer 17, realizes the automatic acquisition and processing of data.
All pipelines of experimental provision are all made of pipeline resistant to high temperature.
The experimental method of Dynamic Water lithofacies interaction experimental provision under above-mentioned high-temperature and high-pressure conditions, comprising the following steps:
S1, the landwaste or rock grain for preparing targeted particle size；
S2, permeable stone is put into lower rock sample bucket fixator 18, one layer of paving has been used the filter paper of water-soaked, put on filter paper
Rock sample bucket 19 is set, the landwaste handled well or rock grain are fitted into rock sample bucket 19, one layer is spread above rock sample bucket 19 and has used water logging
Wet filter paper, places permeable stone, and rock sample bucket fixator 20 in placement tightens locking cap 21, completes the fixation of rock sample；
S3, power on, open computer 17 and electro-hydraulic servo control platform 1, input control parameter, makes on computer 17
Electro-hydraulic servo control platform 1 controls hydraulic activator 2 and provides goal pressure, and consolidation piston 5 is made to be pressed on rock sample according to specified pressure
On clamper 6；
S4, it is respectively put into recharge water body and water flooding in recharge water body liquid storage container 11 and water flooding liquid storage container 12,
Gas source 8, gas compressor 10 are opened, switch K1, K2, K4, K5 are arranged gas by pressure regulator valve and provide pressure to target value, enable
Recharge water body initially enters in mixing water liquid storage container 13, according to preset recharge water body and water flooding ratio, when reaching
When the corresponding scale of mixing water liquid storage container 13, K2, K4, K5 are turned off the switch；K2, K6, K7 are opened again, make water flooding liquid storage container
Water flooding in 12 enters in mixing water liquid storage container 13, after reaching predetermined total amount, closes K2, K6, K7, opens blender 14,
It is sufficiently mixed recharge water body and water flooding, opening K2, K3, K9 can be such that liquid enters in rock sample clamper 6；According to different
Experiment purpose, can also without the mixing of mixing water liquid storage container 13, when needing the direct recharge of recharge water body, open K2,
K4, K5, K8, K9 can directly enable recharge water body enter in rock sample clamper 6, when needing the direct recharge of water flooding, open K2,
K6, K7, K8, K9 can directly enable water flooding enter in rock sample clamper 6；When any fluid reservoir is connected to rock sample clamper 6,
The speed that liquid flows through rock sample clamper 6 can be adjusted by adjusting pressure regulator valve V3；
S5, data collector 171 is opened, 171 data collection interval of input data collector on computer 17；
S6, insulating box 3 is opened, the targeted operating temperature of insulating box 3 is set, when thermocouple I 241, thermocouple II 242 and heat
When the temperature of galvanic couple III 243 reaches consistent, it is believed that rock particles temperature reaches target temperature；Start to test, it is fixed by planning of experiments
When from liquid collection tank 15 water sampling and according to water sample store related specifications saved；
Data are saved after S7, experiment, consolidation piston 5 is made to return back to experiment initial position, data is closed and adopts collector
171 and computer 17.It closes electro-hydraulic servo control platform 1 to switch, closes insulating box 3, close gas source switch K2, the storage of recharge water body
Liquid container 11, water flooding liquid storage container 12, mixing water liquid storage container 13 go out liquid switch, open relief valve X2, and X3 lays down consolidation pressure
Power and head pressure, then take out rock sample clamper 6, and rock sample is taken out and saved, and rock sample sample clamper 6 is cleaned and dried, liquid
Collecting tank 15 is outwelled clean；
S8, experiment terminate, and carry out water chemistry test to the water sample of taking-up；XRD, XRF and scanning are carried out to the rock sample of taking-up
The analysis such as Electronic Speculum, can study the Dynamic Water lithofacies interaction of water body recharge under deep formation high-temperature and high-pressure conditions.
Embodiment 1
It is research area with Tianjin Pan Zhuan, rock sample uses the well drilling detritus of the depths 2000m, the recharge feelings of the beautiful lake water in simulation east
Condition is tested for the mixing water of 1:1 as recharge water body using lake water and stratum water volume ratio.
1. preparing mist fan mountain group well drilling detritus at 2000 meters of the area Tianjin Pan Zhuan.
2. being put into permeable stone in lower rock sample bucket fixator 18, one layer of filter paper soaked is spread, rock sample bucket is placed on filter paper
19, the landwaste handled well is fitted into rock sample bucket 19, one layer of filter paper soaked is spread above rock sample bucket 19, permeable stone is placed, puts
Rock sample bucket fixator 20 is set, locking cap 21 is tightened, completes the fixation of rock sample.
3. powering on, computer 17 and electro-hydraulic servo control platform 1 are opened, input control parameter, makes on computer 17
Electro-hydraulic servo control platform 1 controls hydraulic activator 2 and provides goal pressure, and pressure is made to reach the strata pressure 12MPa at 2000 meters,
It is pressed on consolidation piston 5 on rock sample clamper 6 according to specified pressure.
4. being herein the ratio recharge of lake water and water flooding 1:1, in recharge water body liquid storage container 11 according to recharge water body
Be respectively put into lake water and water flooding in water flooding liquid storage container 12, open gas source 8, gas compressor 10, switch K1, K2,
K4, K5 enable lake water initially enter in mixing water liquid storage container 13, when reaching the corresponding scale of mixing water liquid storage container 13, close
Switch K2, K4, K5, then K2, K6, K7 are opened, enter the water flooding in water flooding liquid storage container in mixing water liquid storage container 13,
After reaching predetermined total amount, K2, K6, K7 are closed, blender 14 is opened, is sufficiently mixed recharge water body and water flooding, opens K2,
K3, K9 enter liquid in rock sample clamper 6, change the speed that liquid flows through rock sample clamper 6 by adjusting pressure regulator valve V3.
5. opening data collector 171,171 data collection interval of input data collector on computer 17.
6. opening insulating box 3, the targeted operating temperature of insulating box 3 is set, by temperature setting at target temperature, stratum herein
Temperature is 90 DEG C, when the temperature of the display thermocouple 241~243 of computer 17 reaches 90 DEG C, it is believed that rock particles temperature reaches
Target temperature starts to test, every 2 hours from liquid collection tank 15 water sampling and according to water sample store related specifications protected
It deposits.
7. saving data after experiment, so that consolidation piston 5 is returned back to experiment initial position, close data collector 171
With computer 17.It closes electro-hydraulic servo control platform 1 to switch, closes insulating box 3, close gas source switch K2, recharge water body liquid storage holds
Device 11, water flooding liquid storage container 12, mixing water liquid storage container 13 go out liquid switch, open relief valve X2, X3 lay down consolidation pressure and
Head pressure, then takes out rock sample clamper 6, and rock sample is taken out and saved, and rock sample sample clamper 6 is cleaned and dried.Liquid is collected
Tank 15 is outwelled clean.
8. experiment terminates, water chemistry test is carried out to the water sample of taking-up；XRD, XRF and scanning electricity are carried out to the rock sample of taking-up
The analysis such as mirror, can study the Dynamic Water lithofacies interaction of water body recharge under deep formation high-temperature and high-pressure conditions.
Embodiment 2
It is research area with Tianjin Pan Zhuan, rock sample uses the well drilling detritus of the depths 2000m, the recharge feelings of the beautiful lake water in simulation east
Condition is tested using lake water as recharge water body.
1. preparing mist fan mountain group well drilling detritus at 2000 meters of the area Tianjin Pan Zhuan.
2. being put into permeable stone in lower rock sample bucket fixator 18, one layer of filter paper soaked is spread, rock sample bucket is placed on filter paper
19, the landwaste handled well is fitted into rock sample bucket 19, one layer of filter paper soaked is spread above rock sample bucket 19, permeable stone is placed, puts
Rock sample bucket fixator 20 is set, locking cap 21 is tightened, completes the fixation of rock sample.
3. powering on, computer 17 and electro-hydraulic servo control platform 1 are opened, input control parameter, makes on computer 17
Electro-hydraulic servo control platform 1 controls hydraulic activator 2 and provides goal pressure, and pressure is made to reach the strata pressure at 2000 meters
12MPa is pressed on consolidation piston 5 on rock sample clamper 6 according to specified pressure.
4. making the direct recharge of lake water, K2, K4, K5, K8, K9 are opened, can directly enable lake water enter in rock sample clamper 6, led to
It crosses adjustment pressure regulator valve V3 and changes the speed that liquid flows through rock sample clamper 6.
5. opening data collector 171,171 data collection interval of input data collector on computer 17.
6. opening insulating box 3, the targeted operating temperature of insulating box 3 is set, by temperature setting at target temperature, stratum herein
Temperature is 90 DEG C, when the temperature of the display thermocouple 241~243 of computer 17 reaches 90 DEG C, it is believed that rock particles temperature reaches
Target temperature starts to test, every 2 hours from liquid collection tank 15 water sampling and according to water sample store related specifications protected
It deposits.
7. saving data after experiment, so that consolidation piston 5 is returned back to experiment initial position, close data acquisition device 17-1
With computer 17.It closes electro-hydraulic servo control platform 1 to switch, closes insulating box 3, close gas source switch K2, recharge water body liquid storage holds
Device 11, water flooding liquid storage container 12, mixing water liquid storage container 13 go out liquid switch, open relief valve X2, X3 lay down consolidation pressure and
Head pressure, then takes out rock sample clamper 6, and rock sample is taken out and saved, and rock sample sample clamper 6 is cleaned and dried.Liquid is collected
Tank 15 is outwelled clean.
8. experiment terminates, water chemistry test is carried out to the water sample of taking-up；XRD, XRF and scanning electricity are carried out to the rock sample of taking-up
The analysis such as mirror, can study the Dynamic Water lithofacies interaction of water body recharge under deep formation high-temperature and high-pressure conditions.
Claims (8)
1. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions, it is characterised in that: by high temperature and pressure system,
Hydraulic control system, recharge water body injected system and data acquisition processing system are constituted；
The consolidation piston that the high temperature and pressure system is connected by insulating box (3), piston rod (4), top with the bottom end of piston rod (4)
(5), rock sample clamper (6) and support frame (7) composition；Rock sample clamper (6) has the inner cavity of a receiving rock sample, under inner cavity
Side is provided with lower rock sample bucket fixator (18), and the center of bottom is provided with recharge liquid flow import (181), consolidates piston
(5) it is provided on liquid flowing outlet (23), consolidation piston (5) is by being connected with hydraulic activator in hydraulic control system (2)
Piston rod (4), which pushes to be slidably matched with inner cavity, carries out pressure control to the rock sample being placed in inner cavity, and hydraulic activator (2) passes through branch
Support (7) is mounted on the top of insulating box (3)；
The hydraulic control system further includes the electro-hydraulic servo control platform being connected through pressure sensor P1 with hydraulic activator (2)
(1), it is connected with computer (17), inputs pressurization state modulator electro-hydraulic servo control platform (1) by computer (17), further
Control the strata pressure that hydraulic activator (2) apply simulation；
The recharge water body injected system is by gas source (8) through switch K1, pressure regulator valve V2, gas compressor (10), air accumulator
(9), it is divided into three gas circuits after switch K2 and pressure regulator valve V3；The air inlet phase of first gas circuit and mixing water liquid storage container (13)
Even, liquid outlet of the liquid through mixing water liquid storage container (13) is connected on rock sample clamper (6) by pipeline；Article 2 gas circuit with
The air inlet of recharge water body liquid storage container (11) is connected, the liquid in recharge water body liquid storage container (11) by liquid outlet with mix
Water liquid storage container (13) is connected；Article 3 gas circuit is connected with the air inlet of water flooding liquid storage container (12), water flooding liquid storage container
(12) liquid in is connected by liquid outlet with mixing water liquid storage container (13)；
The data acquisition processing system is adopted by liquid collection tank (15), computer (17), the data being connected with computer (17)
Storage (171) and the thermocouple I (241) being mounted in insulating box (3) being connected respectively with data collector (171), setting
In the internal thermocouple II (242) of consolidation piston (5), be set to the internal thermocouple III (243) of lower rock sample bucket fixator (18),
Four pressure sensors, electronic balance (16) and the displacement being mounted on hydraulic activator (2) show table S composition.
2. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 1, feature
Be: the rock sample clamper (6) further includes rock sample bucket (19), upper rock sample bucket fixator (20) and locking cap (21)；
The lower rock sample bucket fixator (18) is in the ring-shaped cylinder barrel-like structure of lower end closed, and outer wall is provided with screw thread, in
Rock sample bucket limit table top (182) is provided on wall, the upper end of lower rock sample bucket fixator (18) is provided with closed ring inclined-plane
(183)；
The rock sample bucket (19) is in annulus tubular, and bottom end is placed in the rock sample bucket limit table top of lower rock sample bucket fixator (18)
(182) on；
The cylindrical structure of the upper rock sample bucket fixator (20), upper rock sample bucket fixator (20) are located at the outside of rock sample bucket (19)
And the bottom end of upper rock sample bucket fixator (20) is connect with the closed ring inclined-plane (183) of lower rock sample bucket fixator (18) upper end, on
Being connected at closed ring inclined-plane (183) of rock sample bucket fixator (20) and lower rock sample bucket fixator (18), is provided with resistant to high temperature close
Seal (201) is provided with the positioning table terrace (202) on rock sample bucket top, upper rock sample on the inner wall of upper rock sample bucket fixator (20)
Locking cap annular stop table top (203) is provided on the outer wall of bucket fixator (20)；
The cylindrical structure of the locking cap (21) is located at the outer of lower rock sample bucket fixator (18) and upper rock sample bucket fixator (20)
Ring compression table top (211) are arranged in the top of side, locking cap (21), are provided with screw thread on the inner wall bottom end of locking cap (21), lead to
The ring compression table top (211) crossed above locking cap (21) screw thread is pressed on the annular of the locking cap on rock sample bucket fixator outer wall
It limits on table top (203), is screwed up with the screw thread being arranged on lower rock sample bucket fixator (18) outer wall.
3. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 1, feature
It is: is provided with sealing collar resistant to high temperature (22) at the lumen contact of consolidation piston (5) and rock sample clamper (6).
4. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 3, feature
It is: is additionally provided with the perforation for installing thermocouple II (242), lower rock sample bucket fixator (18) in consolidation piston (5)
Inside is additionally provided with the perforation for installing thermocouple III (243).
5. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 1, feature
Be: four pressure sensors are separately positioned on mixing water liquid storage container (13), recharge water body liquid storage container (11) and ground
At the liquid inlet of layer water liquid storage container (12) and the inlet of hydraulic activator (2).
6. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 1, feature
Be: the temperature range of insulating box (3) is room temperature to 250 DEG C, and the pressure limit that hydraulic control system can pressurize to rock sample is
0-12MPa。
7. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 1, feature
Be: gas source (8) used is inert nitrogen gas.
8. the Dynamic Water lithofacies interaction experimental provision under a kind of high-temperature and high-pressure conditions according to claim 1, feature
It is: equipped with recharge water body i.e. lake water or geothermal tail water, water flooding liquid storage container in the recharge water body liquid storage container (11)
(12) water flooding is housed, mixing water liquid storage container (13) is equipped with the mixing water of recharge water body and water flooding, and mixing water liquid storage in
Blender (14) are set in container (13), recharge water body liquid storage container (11), water flooding liquid storage container (12) and mixing water liquid storage
Liquid reserves in container (13) are not more than the 2/3 of container capacity.
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2018
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