CN107632134A - A kind of gas hydrates seawater drives photoetching glass model microcosmos experiment device - Google Patents
A kind of gas hydrates seawater drives photoetching glass model microcosmos experiment device Download PDFInfo
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- CN107632134A CN107632134A CN201710992547.8A CN201710992547A CN107632134A CN 107632134 A CN107632134 A CN 107632134A CN 201710992547 A CN201710992547 A CN 201710992547A CN 107632134 A CN107632134 A CN 107632134A
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Abstract
The invention discloses a kind of gas hydrates seawater to drive photoetching glass model microcosmos experiment device, is related to gas hydrates development field.Device includes air supply system, liquid-supplying system, emulate hole model system, seawater injection system, production system and monitoring system, the present invention is using main body of the photoetching glass as emulation hole model system, pass through air supply system, liquid-supplying system supplies natural gas into emulation hole model system and water forms gas hydrates, seawater is injected by seawater injection system to exploit to simulate seawater injection, gas hydrate dissociation product is implemented to collect by production system, the growth of crystal in gas hydrates experimentation is collected by monitoring system, resolution parameter, photoetching glass used in the present invention uses photochemistry lithographic technique, true hole critically photoetching by the section of the natural core body of casting is to being made on flat glass, it ensure that the accuracy of experiment, there is certain directive function to gas hydrates physical property research.
Description
Technical field
The invention discloses a kind of gas hydrates seawater to drive photoetching glass model microcosmos experiment device, is related to natural gas
Hydrate development field.
Background technology
Gas hydrates (natural gas hydrate, abbreviation NGH) are natural gases under certain low temperature, high pressure
The non-stoichiometry cage compound formed with water, also referred to as " combustible ice ".1m3Gas hydrates can contain 164m3Methane gas
And 0.8m3Water." combustible ice " is the product of growing nonparasitically upon another plant of natural gas, and application is roughly the same with natural gas, is a kind of typical
Oil substitutes." combustible ice " easily burns, under equal conditions, energy ratio coal caused by " combustible ice " burning, oil, natural
Gas will be higher by decades of times, be described as " belonging to the super energy that end is come ".
The flammable ice reserves very abundant in China, according to investigation, the gas hydrates in China are mainly distributed on south
Marine site, Area of The East China Sea, Qinghai-Tibet tundra and northeast tundra.
Exploitation of gas hydrates technology is still in the stage of fumbling at present, and exploitation of the countries in the world to gas hydrates is still
The standard of a sleeve forming is not made, the method for in-house laboratory investigation is still the main body of exploitation of gas hydrates technical research,
But currently for the research of gas hydrates, hydrate macroscopic property and physical Quality Research are more focused on, it is few
To hydrate generation and the dynamic microexamination of decomposable process.
Photoetching glass model is a kind of transparent two dimensional model, and it uses photochemistry lithographic technique, by the casting of natural core
The true pore system critically photoetching of body section is to being made on flat glass, with reservoir rock pore system in structure
True standard configuration, similar geometry and fractions distribution.Using simulation model of microscopic, gas hydrates can be intuitively observed
The growth of crystal, decompose, to instructing indoor and field test significant.
CN104407649B announces a kind of temperature control pressue device for gas hydrates crystal growth optical observation, leads to
The placement gas hydrates sample on sample stage is crossed, and carries out in-situ preparation and the decomposition of gas hydrates, experiment parameter
Handled by terminal.But after its gas hydrates sample is put into sample stage, it can only be arrived by microscopic
Sample surfaces change, it is difficult to observe sample interior hydrate growth and decomposable process；And its invention device gas access, cooling agent
Entrance only has one, and uniform saturation is difficult in the saturated natural gas into sample and cooling agent, to experimental result precision meeting
Have a certain impact.In view of this, the present inventor proposes that a kind of gas hydrates seawater drives photoetching glass model microcosmos experiment
Device, to meet the requirement of current three-dimensional simulation experimental provision, and the defects of overcome prior art, experimental provision of the present invention uses
Three-dimensional visualization mode generates to exploitation of gas hydrate, decomposable process carries out microscopic observation, photoetching glass used in the present invention
Using photochemistry lithographic technique, by being made in the true hole critically photoetching that the natural core body of casting is cut into slices to flat glass, protect
The accuracy of experiment has been demonstrate,proved, has had certain directive function to gas hydrates physical property research.
The content of the invention
The invention discloses a kind of gas hydrates seawater to drive photoetching glass model microcosmos experiment device, and device includes supplying
Gas system, liquid-supplying system, emulation hole model system, seawater injection system, production system and monitoring system, the present invention use light
Main body of the carved glass as emulation hole model system, supplied by air supply system, liquid-supplying system into emulation hole model system
Gas hydrates are formed to natural gas and water, seawater is injected by seawater injection system and exploited with simulating seawater injection, passes through production
System is implemented to collect to gas hydrate dissociation product, and crystal in gas hydrates experimentation is collected by monitoring system
Growth, resolution parameter, the present invention used in photoetching glass use photochemistry lithographic technique, by the natural core body of casting cut into slices it is true
Hole critically photoetching ensure that the accuracy of experiment, have one to gas hydrates physical property research to being made on flat glass
Fixed directive function.
Wherein described air supply system is connected with emulation hole model system, the liquid-supplying system and emulation pore model system
System is connected, and the seawater injection system is connected with emulation hole model system, the production system and emulation pore model system
System is connected, the monitoring system respectively with the air supply system, liquid-supplying system, emulation hole model system, seawater injection system,
Production system is connected.
The air supply system is used to provide natural gas for synthesis of natural gas hydrate inside the emulation hole model system；
The liquid-supplying system is used to provide water for synthesis of natural gas hydrate inside the emulation hole model system；The seawater injection system
Unite for injecting seawater for the emulation hole model system, to simulate water injection well in actual production；The production system is used
Gas hydrate dissociation product is implemented to collect inside to emulation hole model system, and analyze in catabolite natural gas and
Aquatic products amount, to simulate producing well in actual production；The emulation hole model system is used to simulate gas hydrates pressure
Power, temperature, saturation degree, permeability and conventional formation parameter, and main body of the photoetching glass as emulation hole model system；It is described
Monitoring system is used for air supply system described in real-time collecting, liquid-supplying system, emulation hole model system, seawater injection system, production system
System running parameter, data caused by writing task parameter, and experimental implementation is controlled by monitoring system.
Preferably, air supply system of the invention includes natural gas bottle, control valve, supercharging device, gas flowmeter, pressure
Sensor, temperature sensor, high pressure line, tap valve；Natural gas bottle outlet is connected to supercharging device by high pressure line and entered
Mouthful, control valve plays the feed speed effect of regulation natural gas, supercharging device outlet between natural gas bottle and supercharging device
Tap valve inlet is connected to by high pressure line, gas flowmeter, pressure sensor, temperature sensor be located at supercharging device with
Between tapping valve, play a part of monitoring gas flow, pressure, temperature, tap valve export and the emulation pore model
System is connected.
Natural gas bottle is conventional chambers experimental facilities in the air supply system, the control valve be with signal transmission and
The traditional regulation valve arrangement of remote control function, the gas flowmeter, pressure sensor, temperature sensor are with signal
The conventional chambers experimental facilities of transfer function, the tap valve is the conventional chambers experimental facilities with diverter function, described
Supercharging device can be constant speed pump group, constant current pump group, constant pressure pump group and other application in the pump group of laboratory experiment.
Preferably, liquid-supplying system of the invention includes water storage device, control valve, supercharging device, fluid flowmeter, pressure
Sensor, temperature sensor, high pressure line, tap valve；Water storage device outlet is connected to supercharging device by high pressure line and entered
Mouthful, control valve plays the feed speed effect of regulation water between water storage device and supercharging device, and supercharging device outlet passes through
High pressure line is connected to tap valve inlet, and fluid flowmeter, pressure sensor, temperature sensor are located at supercharging device and tap
Between valve, play a part of monitoring fluid flow, pressure, temperature, tap valve export and the emulation hole model system
It is connected.
In the liquid-supplying system water storage device include water bottle, intermediate receptacle, beaker and other there is the routine of water storage function
Laboratory experiment equipment, the water storage device internal liquid include stratum water, seawater, simulated formation water and other experimental waters, institute
Control valve is stated as the traditional regulation valve arrangement with signal transmission and remote control function, the fluid flowmeter, pressure
Sensor, temperature sensor are the conventional chambers experimental facilities with signal transfer functions, and the tap valve is with shunting
The conventional chambers experimental facilities of function, the supercharging device can be constant speed pump group, constant current pump group, constant pressure pump group and other should
Pump group for laboratory experiment.
Preferably, seawater injection system of the invention includes water storage device, filter, heater, control valve, supercharging
Device, fluid flowmeter, pressure sensor, temperature sensor, high pressure line, check-valves, seal nipple；Water storage device outlet is logical
Cross high pressure line and be connected to filter entrance, filter outlet is connected to heater, heater by high pressure line
Supercharging device is connected to by high pressure line, water storage device, filter, heater play storage, filtering, heating seawater work
With injecting ocean temperature, such as 20-35 degrees Celsius of surface seawater temperature in actual well site environment to simulate；Control valve position
Between heater and supercharging device, the speed effect of regulation sea water supply is played, supercharging device outlet is connected by high pressure line
Be connected to seal nipple, fluid flowmeter, pressure sensor, temperature sensor, check-valves be located at supercharging device and seal nipple it
Between, play a part of monitoring seawater flow, pressure, temperature, and prevent seawater from flowing back, seal nipple and the emulation pore model
System is connected.
In the seawater injection system water storage device include water bottle, intermediate receptacle, beaker and other there is the normal of water storage function
Advise laboratory experiment equipment, the filter include water purifier, filter and other have filtering function conventional chambers test
Equipment, the heater include electric heater, gas heater and other have liquid heating function conventional chambers test
Equipment, the control valve be with signal transmission and remote control function traditional regulation valve arrangement, the fluid flow
Meter, pressure sensor, temperature sensor are the conventional chambers experimental facilities with signal transfer functions, and the supercharging device can be with
It is constant speed pump group, constant current pump group, constant pressure pump group and other application in the pump group of laboratory experiment, the check-valves is with individual event
The conventional chambers experimental facilities of circulating function, the seal nipple are that the conventional chambers experiment with connection and sealing function is set
It is standby.
Preferably, production system of the invention includes seal nipple, control valve, pressure sensor, temperature sensor, height
Pressure pipeline, back-pressure valve, gas-liquid separator, water storage device, gas intermediate receptacle；Back pressure valve inlet passes through high-voltage tube with seal nipple
Line connects, and control valve, pressure sensor, temperature sensor play monitoring output object between seal nipple and back-pressure valve
The effect of pressure, temperature, back-pressure valve play the effect of simulated formation pressure, and the back pressure valve outlet is connected with gas-liquid separator,
Output object is implemented gas-liquid separation by gas-liquid separator, and output water is fed into water storage device, and output gas feeds gas intermediate receptacle；
Seal nipple is connected with emulation hole model system, and output object caused by the model system work of emulation hole passes through seal nipple
Into production system.
In the production system seal nipple be with connection and sealing function conventional chambers experimental facilities, the regulation
Valve be with signal transmission and remote control function traditional regulation valve arrangement, the pressure sensor, temperature sensor
For the conventional chambers experimental facilities with signal transfer functions, the back-pressure valve sets for the conventional chambers experiment with back pressure function
Standby, the gas-liquid separator is the conventional chambers experimental facilities with gas-liquid separating function, the water storage device include water bottle, in
Between container, beaker and other there is the conventional chambers experimental facilities of water storage function.
Preferably, emulation hole model system of the invention includes insulating box, reaction vessel, bolt hole, photoetching glass, pressure
Force snesor, temperature sensor, temperature tube, pressure-measuring pipe, air supply inlet, air supply pipe, feed flow entrance, feed pipe, connecting tube, tune
Save valve, seal nipple；Reaction vessel is made up of upper cover plate, bottom plate and sealing gasket, and upper cover plate, bottom plate material are safety glass,
Sealing gasket material is high pressure resistant rubber, and bolt hole runs through upper cover plate and bottom plate, and the upper cover plate is located at the bottom plate top, by spiral shell
The cuboid groove confined space that keyhole is formed with bolt seal, photoetching glass are positioned in the groove of reaction vessel, and pressure passes
Sensor is connected to photoetching glass by pressure-measuring pipe, and pressure-measuring pipe is located at reaction vessel interior, and temperature sensor is connected by temperature tube
In photoetching glass, temperature tube is located at reaction vessel interior, and air supply inlet is connected to photoetching glass by air supply pipe, and air supply pipe is located at
Reaction vessel interior, feed flow entrance are connected to photoetching glass by feed pipe, and feed pipe is located at reaction vessel interior, seal nipple
Photoetching glass is connected to by connecting tube, connecting tube is located at reaction vessel interior, and control valve is located at reaction vessel and close
On connecting tube between sealing joint, connecting tube is used to inject fluid and extraction fluid into photoetching glass, and the reaction is held
Device, bolt hole, photoetching glass, pressure sensor, temperature sensor, temperature tube, pressure-measuring pipe, air supply inlet, air supply pipe, feed flow enter
Mouth, feed pipe, connecting tube, control valve, seal nipple are respectively positioned in insulating box.
The reaction vessel is fluted body cuboid safety glass, its length, width range 10-20cm, altitude range
For 5-10cm, highest simulated storage pressure 15Mpa, the temperature sensor is with temperature-monitoring function and signal transfer functions
Conventional chambers experimental facilities, the pressure sensor is real with the conventional chambers of pressure monitoring function and signal transfer functions
Test equipment.
Valve is tapped in the air supply system and passes through high pressure line and air supply inlet phase in the emulation hole model system
Connect, valve is tapped in the liquid-supplying system institute and is connected by high pressure line with feed flow entrance in the emulation hole model system
Connect, seal nipple is connected with seal nipple in the emulation hole model system in the seawater injection system, the production system
Seal nipple is connected with seal nipple in the emulation hole model system in system.
Preferably, monitoring system of the invention includes computer, microscope, transmission cable, and the microscope is used for real-time
Observe the change of photoetching inside glass, the air supply system, liquid-supplying system, emulation hole model system, microscope, seawater injection system
System, production system are connected by transmission cable with computer, to real-time collecting temperature, pressure, output in experimentation
Logistics capacity, microscope imaging and other experimental datas, and experimental implementation is controlled by monitoring system.
A kind of gas hydrates seawater of the embodiment of the present invention drives photoetching glass model microcosmos experiment device beneficial effect
For：
1) air supply system and liquid-supplying system are separate in the present invention, have multiple air supply inlets and confession on reaction vessel surface
Liquid entrance, the natural gas and moisture portion for making injection reaction vessel interior are more uniformly distributed, and separate feeding pipe is to imitative
It is higher that precision is injected when natural gas and water are injected in true pore model system, by controlling air supply system and liquid-supplying system to inject
Amount, different gas hydrates saturation degree storages can be simulated.
2) reaction vessel main body safety glass is transparent in present invention emulation hole model system, it is observed that naturally
The change of different time sections gas hydrates crystal, has to gas hydrates physical property research when gas hydrate is generated and decomposed
Certain directive function.
3) application based on monitoring system, temperature, pressure, output logistics in different time section in experiment can effectively be gathered
Amount, microscope imaging and other experimental datas, Mathematical Model Analysis can be carried out in input computer in real time, for by physical simulation experiment
As a result it is combined with Numerical Experiment result.
4) the photoetching glass model that the present invention uses is a kind of transparent two dimensional model, and it uses photochemistry lithographic technique,
By being made in the true pore system critically photoetching that the body of casting of natural core is cut into slices to flat glass, there is reservoir in structure
The true standard configuration of blowhole system, similar geometry and fractions distribution, can improve experimental precision and accuracy.
5) use based on seawater injection system, effectively seawater injection exploitation of gas hydrate in actual well site environment can be entered
Row simulation, seawater injection can be simulated in the case of different temperatures, injection rate, injection rate to the shadow of gas hydrates recovery ratio
Ring.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those skilled in the art, it can also be obtained on the premise of not paying creative work according to these accompanying drawings other attached
Figure.
Fig. 1 is the structural representation of experimental provision.
Fig. 2 is air supply system detailed construction schematic diagram.
Fig. 3 is liquid-supplying system detailed construction schematic diagram.
Fig. 4 is seawater injection system detailed construction schematic diagram.
Fig. 5 is production system detailed construction schematic diagram.
Fig. 6 is emulation hole model system detailed construction schematic diagram.
Fig. 7 is emulation hole model system side view.
Drawing reference numeral：1st, natural gas bottle 2, control valve 3, supercharging device 4, gas flowmeter 5, pressure sensor 6, temperature
Sensor 7, high pressure line 8, tap valve 9, water storage device 10, fluid flowmeter 11, filter 12, heater 13, only
Return valve 14, seal nipple 15, back-pressure valve 16, gas-liquid separator 17, gas intermediate receptacle 18, insulating box 19, reaction vessel 20, spiral shell
Keyhole 21, photoetching glass 22, temperature tube 23, pressure-measuring pipe 24, air supply inlet 25, air supply pipe 26, feed flow entrance 27, feed pipe 28,
Connecting tube 29, upper cover plate 30, sealing gasket 31, bottom plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
As shown in figure 1, the knot of photoetching glass model microcosmos experiment device is driven for a kind of gas hydrates seawater of the present invention
Structure schematic diagram, including air supply system, liquid-supplying system, emulation hole model system, seawater injection system, production system and monitoring system
System；Wherein described air supply system is connected with emulation hole model system, and the liquid-supplying system is with emulating hole model system phase
Connection, the seawater injection system are connected with emulation hole model system, and the production system is with emulating hole model system phase
Connection, the monitoring system respectively with the air supply system, liquid-supplying system, emulation hole model system, seawater injection system, production
System is connected.
The air supply system is used to provide natural gas for synthesis of natural gas hydrate inside the emulation hole model system；
The liquid-supplying system is used to provide water for synthesis of natural gas hydrate inside the emulation hole model system；The seawater injection system
Unite for injecting seawater for the emulation hole model system, to simulate water injection well in actual production；The production system is used
Gas hydrate dissociation product is implemented to collect inside to emulation hole model system, and analyze in catabolite natural gas and
Aquatic products amount, to simulate producing well in actual production；The emulation hole model system is used to simulate gas hydrates pressure
Power, temperature, saturation degree, permeability and conventional formation parameter, and main body of the photoetching glass as emulation hole model system；It is described
Monitoring system is used for air supply system described in real-time collecting, liquid-supplying system, emulation hole model system, seawater injection system, production system
System running parameter, data caused by writing task parameter, and experimental implementation is controlled by monitoring system.
Photoetching glass model microcosmos experiment device is driven to a kind of above-mentioned gas hydrates seawater below to carry out further
Description：
As shown in Fig. 2 in the present embodiment, air supply system includes natural gas bottle 1, control valve 2, supercharging device 3, gas stream
Gauge 4, pressure sensor 5, temperature sensor 6, high pressure line 7, tap valve 8.
The outlet of natural gas bottle 1 is connected to the entrance of supercharging device 3 by high pressure line 7, and control valve 2 is located at natural gas bottle 1
Between supercharging device 3, regulation natural gas feed speed effect is played, the outlet of supercharging device 3 is connected to point by high pressure line 7
The entrance of valve 8 is connect, gas flowmeter 4, pressure sensor 5, temperature sensor 6 are located between supercharging device 3 and tap valve 8,
Play a part of monitoring gas flow, pressure, temperature, the outlet of tap valve 8 is connected with the emulation hole model system, used
Make to emulation hole model system supply natural gas.
As shown in figure 3, in the present embodiment, liquid-supplying system includes water storage device 9, control valve 2, supercharging device 3, liquid flow
Gauge 10, pressure sensor 5, temperature sensor 6, high pressure line 7, tap valve 8.
The outlet of water storage device 9 is connected to the entrance of supercharging device 3 by high pressure line 7, and control valve 2 is located at water storage device 9
Between supercharging device 3, the feed speed effect of regulation water is played, the outlet of supercharging device 3 is connected to tap valve by high pressure line 7
8 entrances of door, fluid flowmeter 10, pressure sensor 5, temperature sensor 6 are located between supercharging device 3 and tap valve 8, played
Monitor fluid flow, pressure, temperature effect, tap valve 8 outlet with it is described emulate hole model system is connected, as to
Emulate hole model system supply water.
As shown in figure 4, in the present embodiment, seawater injection system includes water storage device 9, filter 11, heater 12, tune
Save valve 2, supercharging device 3, fluid flowmeter 10, pressure sensor 5, temperature sensor 6, high pressure line 7, check-valves 13, close
Sealing joint 14.
The outlet of water storage device 9 is connected to the entrance of filter 11 by high pressure line 7, and the outlet of filter 11 passes through high pressure
Pipeline 7 is connected to heater 12, and heater 12 is connected to supercharging device 3, water storage device 9, filtering dress by high pressure line 7
Put 11, heater 12 and play storage, filtering, heating seawater effect, control valve 2 is located at heater 12 and supercharging device 3
Between, the speed effect of regulation sea water supply is played, the outlet of supercharging device 3 is connected to seal nipple 14, liquid by high pressure line 7
Flowmeter 10, pressure sensor 5, temperature sensor 6, check-valves 13 play prison between supercharging device 3 and seal nipple 14
The effect of seawater flow, pressure, temperature is surveyed, and prevents seawater from flowing back, seal nipple 14 and the emulation hole model system phase
Connection.
As shown in figure 5, in the present embodiment, production system includes seal nipple 14, control valve 2, pressure sensor 5, temperature
Spend sensor 6, high pressure line 7, back-pressure valve 15, gas-liquid separator 16, water storage device 9, gas intermediate receptacle 17.
The entrance of back-pressure valve 15 is connected with seal nipple 14 by high pressure line 7, control valve 2, pressure sensor 5, temperature
Sensor 6 plays a part of monitoring output object pressure, temperature, back-pressure valve 15 rises between seal nipple 14 and back-pressure valve 15
Acted on to simulated formation pressure, the back-pressure valve 15 outlet is connected with gas-liquid separator 16, and gas-liquid separator 16 is by output object
Implement gas-liquid separation, and output water is fed into water storage device 9, output gas feeds gas intermediate receptacle 17, and seal nipple 14 is with imitating
True pore model system is connected, and output object caused by the model system work of emulation hole enters production by seal nipple 14 and is
System.
As shown in Figure 6,7, in the present embodiment, emulation hole model system includes insulating box 18, reaction vessel 19, bolt hole
20th, photoetching glass 21, pressure sensor 5, temperature sensor 6, temperature tube 22, pressure-measuring pipe 23, air supply inlet 24, air supply pipe 25,
Feed flow entrance 26, feed pipe 27, connecting tube 28, control valve 2, seal nipple 14, upper cover plate 29, sealing gasket 30, bottom plate 31.
Reaction vessel 19 is made up of upper cover plate 29, bottom plate 31 and sealing gasket 30, and upper cover plate 29, the material of bottom plate 31 are tempering glass
Glass, bolt hole 20 run through upper cover plate 29 and bottom plate 31, and the upper cover plate 29 is located at the top of bottom plate 31, spiral shell is used by bolt hole 20
Bolt seals the cuboid groove confined space to be formed, and photoetching glass 21 is positioned in the groove of reaction vessel 19, pressure sensor 5
Photoetching glass 21 is connected to by pressure-measuring pipe 23, pressure-measuring pipe 23 is located inside reaction vessel 19, and temperature sensor 6 passes through temperature tube
22 are connected to photoetching glass 21, and temperature tube 22 is located inside reaction vessel 19, and air supply inlet 24 is connected to light by air supply pipe 25
Carved glass 21, air supply pipe 25 are located inside reaction vessel 19, and feed flow entrance 26 is connected to photoetching glass 21 by feed pipe 27, supply
Liquid pipe 27 is located inside reaction vessel 19, and seal nipple 14 is connected to photoetching glass 21, connecting tube 28 by connecting tube 28
Inside reaction vessel 19, control valve 2 is described on the connecting tube 28 between reaction vessel 19 and seal nipple 14
Reaction vessel 19, bolt hole 20, photoetching glass 21, pressure sensor 5, temperature sensor 6, temperature tube 22, pressure-measuring pipe 23, supply
Entrance 24, air supply pipe 25, feed flow entrance 26, feed pipe 27, connecting tube 28, control valve 2, seal nipple 14, upper cover plate 29,
Sealing gasket 30, bottom plate 31 are respectively positioned in insulating box 18；
Valve 8 is tapped in the air supply system and passes through high pressure line 7 and air supply inlet in the emulation hole model system
24 are connected, and valve 8 is tapped in the liquid-supplying system institute and is entered by high pressure line 7 and feed flow in the emulation hole model system
Mouth 26 is connected, and seal nipple 14 is connected with seal nipple 14 in the emulation hole model system in the seawater injection system
Connect, seal nipple 14 is connected with seal nipple 14 in the emulation hole model system in the production system.
In the present embodiment, the monitoring system includes computer (in figure not depending on), microscope (not regarded in figure), transmission electricity
Cable (does not regard) in figure, the air supply system, liquid-supplying system, emulation hole model system, microscope, seawater injection system, production system
System be connected by transmission cable with computer, in experimentation real-time collecting temperature, pressure, output logistics capacity, show
Micro mirror is imaged and other experimental datas, and controls experimental implementation by monitoring system.
Device of embodiment of the present invention workflow is introduced as follows below based on above-mentioned accompanying drawing, work of the embodiment of the present invention
It is divided into following steps as flow：
Step 1：Using photochemistry lithographic technique, by the true pore system photoetching that the body of casting of natural core is cut into slices to flat
On surface glass, photoetching glass 21 to be used is made, photoetching glass 21 is put into reaction vessel 19, by bolt hole 20 to upper cover plate
29th, sealing gasket 30, bottom plate 31 implement sealing, and pressure sensor 5 is connected into pressure-measuring pipe 23, temperature sensor 6 is connected into survey
Warm pipe 22, the control valve 2 being connected with connecting tube 28 is closed, emulation hole model system is put into insulating box 18.
Step 2：By air supply system, liquid-supplying system to emulation hole model system in feed natural gas and it is aquatic all day long
Right gas hydrate, the supercharging device 3 in air supply system, liquid-supplying system provides operating pressure for emulation hole model system, by perseverance
Incubator 18 is adjusted to analog temperature, and control valve in liquid-supplying system 2 is opened, and water is supplied in water storage device 9 and enters supercharging device 3
Middle supercharging, by tapping feed flow entrance 26 in the connection emulation hole model system of valve 8, open supercharging device 3 and supply supply water
Enter to emulate in hole model system, monitor feed flow ginseng in real time by fluid flowmeter 10, pressure sensor 5, temperature sensor 6
Number, supply water close tap valve 8 to form confined space after reaching scheduled volume；Control valve in air supply system 2 is opened, day
Natural gas enters in supercharging device 3 and is pressurized in right gas cylinder 1, by tap supplied in the connection emulation hole model system of valve 8 into
Mouthfuls 24, open supercharging device 3 and feed natural gas in emulation hole model system, by gas flowmeter 4, pressure sensor 5,
Monitoring supply parameter, infeed natural gas close tap valve 8 to form confined air to temperature sensor 6 after reaching scheduled volume in real time
Between；After natural gas and supply water enter emulation hole model system, emulation hole model system constant temperature is placed, it is to be generated
Next step operation is carried out after gas hydrates physical property is stable, gathered in real time by monitoring system temperature in experimentation, pressure,
Micro mirror is imaged and other experimental datas.
Step 3：It is depressured and is exploited by production system simulation, by seal nipple in production system 14 and emulation pore model
Seal nipple 14 is connected in system, and back-pressure valve 15 is modulated into simulated storage pressure, control valve 2 is opened, and improves insulating box 18
Internal temperature, make gas hydrate dissociation, gas-liquid separation is implemented to output object by gas-liquid separator 16, passes through water storage device
9 pairs of recovered waters are collected, and output gas is collected by gas intermediate receptacle 17, passes through pressure sensor 5, TEMP
Device 6 records experiment parameter in real time；By emulating the record hydration in real time of pressure sensor 5 in hole model system, temperature sensor 6
Experiment parameter in thing decompression recovery process；Gathered in real time by monitoring system temperature in experimentation, pressure, output logistics capacity,
Micro mirror is imaged and other experimental datas.
Step 4：Driven by seawater injection system simulation seawater injection, by seal nipple 14 in seawater injection system and emulation hole
Seal nipple 14 connects in model system, opens the control valve 2 being connected with supercharging device 3, and seawater entered in water storage device 9
Filtered in filter device 11, the seawater after filtering is heated into heater 12, and the seawater after heating enters supercharging and filled
It is pressurized in putting 3, seal nipple 14 is entered by seawater injection light carved glass 21 by check-valves 13, passes through fluid flowmeter 10, pressure
Force snesor 5, temperature sensor 6 monitor injection parameter in real time, and output object is collected by production system；It is by monitoring
System gathers temperature in experimentation, pressure, output amount of substance, micro mirror imaging and other experimental datas in real time.
During above-mentioned steps are carried out, the monitoring system passes through pressure sensor 5, temperature sensor 6, gas flowmeter
4th, fluid flowmeter 10 and microscope are monitored in real time, and record each stage design parameter of experiment, by connecting regulating valve
2 pairs of experimentations of door manipulate.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, the guarantor being not intended to limit the present invention
Scope is protected, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in this
Within the protection domain of invention.
Claims (7)
1. a kind of gas hydrates seawater drives photoetching glass model microcosmos experiment device, it is characterised in that the experimental provision
Including air supply system, liquid-supplying system, emulation hole model system, seawater injection system, production system and monitoring system；
Wherein described air supply system is connected with emulation hole model system, and the liquid-supplying system is with emulating hole model system phase
Connection, the seawater injection system are connected with emulation hole model system, and the production system is with emulating hole model system phase
Connection, the monitoring system respectively with the air supply system, liquid-supplying system, emulation hole model system, seawater injection system, production
System is connected；
The air supply system is used to provide natural gas for synthesis of natural gas hydrate inside the emulation hole model system；It is described
Liquid-supplying system is used to provide water for synthesis of natural gas hydrate inside the emulation hole model system；The seawater injection system is used
In injecting seawater for the emulation hole model system, to simulate water injection well in actual production；The production system be used for pair
Emulate gas hydrate dissociation product inside hole model system to implement to collect, and analyze natural gas and aquatic products in catabolite
Amount, to simulate producing well in actual production；The emulation hole model system is used to simulate gas hydrates pressure, temperature
Degree, saturation degree, permeability and conventional formation parameter, and main body of the photoetching glass as emulation hole model system；The monitoring
System is used for air supply system described in real-time collecting, liquid-supplying system, emulation hole model system, seawater injection system, production system work
Make parameter, data caused by writing task parameter, and experimental implementation is controlled by monitoring system.
2. a kind of gas hydrates seawater as claimed in claim 1 drives photoetching glass model microcosmos experiment device, its feature
It is, the air supply system includes natural gas bottle, control valve, supercharging device, gas flowmeter, pressure sensor, temperature and passed
Sensor, high pressure line, tap valve；
Natural gas bottle outlet is connected to supercharging device entrance by high pressure line, and control valve is located at natural gas bottle and supercharging device
Between, the feed speed effect of regulation natural gas is played, supercharging device outlet is connected to tap valve inlet, gas by high pressure line
Flowmeter body, pressure sensor, temperature sensor are located between supercharging device and tap valve, play monitoring gas flow, pressure
The effect of power, temperature, tap valve export are connected with the emulation hole model system.
3. a kind of gas hydrates seawater as claimed in claim 1 drives photoetching glass model microcosmos experiment device, its feature
It is, the liquid-supplying system includes water storage device, control valve, supercharging device, fluid flowmeter, pressure sensor, temperature and passed
Sensor, high pressure line, tap valve；
Water storage device outlet is connected to supercharging device entrance by high pressure line, and control valve is located at water storage device and supercharging device
Between, the feed speed effect of regulation water is played, supercharging device outlet is connected to tap valve inlet, liquid flow by high pressure line
Gauge, pressure sensor, temperature sensor are located between supercharging device and tap valve, play monitoring fluid flow, pressure, temperature
The effect of degree, tap valve export are connected with the emulation hole model system.
4. a kind of gas hydrates seawater as claimed in claim 1 drives photoetching glass model microcosmos experiment device, its feature
It is, the seawater injection system includes water storage device, filter, heater, control valve, supercharging device, fluid flow
Meter, pressure sensor, temperature sensor, high pressure line, check-valves, seal nipple；
Water storage device outlet is connected to filter entrance by high pressure line, and filter outlet is connected to by high pressure line
Heater, heater are connected to supercharging device by high pressure line, and water storage device, filter, heater, which play, to be deposited
Storage, filtering, heating seawater effect, control valve play regulation sea water supply speed between heater and supercharging device
Effect, supercharging device outlet are connected to seal nipple by high pressure line, fluid flowmeter, pressure sensor, temperature sensor,
Check-valves plays a part of monitoring seawater flow, pressure, temperature, and prevent seawater between supercharging device and seal nipple
Backflow, seal nipple are connected with the emulation hole model system.
5. a kind of gas hydrates seawater as claimed in claim 1 drives photoetching glass model microcosmos experiment device, its feature
Be, the production system include seal nipple, control valve, pressure sensor, temperature sensor, high pressure line, back-pressure valve,
Gas-liquid separator, water storage device, gas intermediate receptacle；
Back pressure valve inlet is connected with seal nipple by high pressure line, and control valve, pressure sensor, temperature sensor are positioned at close
Between sealing joint and back-pressure valve, playing a part of monitoring output object pressure, temperature, back-pressure valve plays the effect of simulated formation pressure,
The back pressure valve outlet is connected with gas-liquid separator, and output object is implemented gas-liquid separation by gas-liquid separator, and output water is supplied
Enter water storage device, output gas feeds gas intermediate receptacle；Seal nipple is connected with emulation hole model system, emulates hole mould
Output object caused by the work of type system enters production system by seal nipple.
6. a kind of gas hydrates seawater as claimed in claim 1 drives photoetching glass model microcosmos experiment device, its feature
It is, the emulation hole model system includes insulating box, reaction vessel, bolt hole, photoetching glass, pressure sensor, temperature
Sensor, temperature tube, pressure-measuring pipe, air supply inlet, air supply pipe, feed flow entrance, feed pipe, connecting tube, control valve, sealing connect
Head；
Reaction vessel is made up of upper cover plate, bottom plate and sealing gasket, and upper cover plate, bottom plate material are safety glass, and bolt hole is through upper
Cover plate and bottom plate, the upper cover plate are located at the bottom plate top, and the cuboid groove formed by bolt hole with bolt seal is closed
Space, photoetching glass are positioned in the groove of reaction vessel, and pressure sensor is connected to photoetching glass, pressure-measuring pipe by pressure-measuring pipe
Positioned at reaction vessel interior, temperature sensor is connected to photoetching glass by temperature tube, and temperature tube is located at reaction vessel interior, supplies
Gas entrance is connected to photoetching glass by air supply pipe, and air supply pipe is located at reaction vessel interior, and feed flow entrance is connected by feed pipe
In photoetching glass, feed pipe is located at reaction vessel interior, and seal nipple is connected to photoetching glass, connecting tube by connecting tube
Positioned at reaction vessel interior, on the connecting tube between reaction vessel and seal nipple, connecting tube is used for control valve
Fluid and extraction fluid are injected into photoetching glass, the reaction vessel, bolt hole, photoetching glass, pressure sensor, temperature pass
Sensor, temperature tube, pressure-measuring pipe, air supply inlet, air supply pipe, feed flow entrance, feed pipe, connecting tube, control valve, seal nipple
It is respectively positioned in insulating box；
Valve is tapped in the air supply system by high pressure line with air supply inlet in the emulation hole model system to be connected,
Tap valve in the liquid-supplying system institute by high pressure line with feed flow entrance in the emulation hole model system to be connected, institute
Seal nipple in seawater injection system is stated with seal nipple in the emulation hole model system to be connected, it is close in the production system
Sealing joint is connected with seal nipple in the emulation hole model system.
7. a kind of gas hydrates seawater as claimed in claim 1 drives photoetching glass model microcosmos experiment device, its feature
It is, the monitoring system includes computer, microscope, transmission cable, the air supply system, liquid-supplying system, emulation hole mould
Type system, microscope, seawater injection system, production system are connected by transmission cable with computer, in experimentation
Real-time collecting temperature, pressure, output logistics capacity, microscope imaging and other experimental datas, and controlled and tested by monitoring system
Operation.
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| CN201710992547.8A CN107632134A (en) | 2017-10-23 | 2017-10-23 | A kind of gas hydrates seawater drives photoetching glass model microcosmos experiment device |
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