CN103711483B - Simulation system and simulation method of hydrocarbon generation, adsorption and desorption of shale - Google Patents
Simulation system and simulation method of hydrocarbon generation, adsorption and desorption of shale Download PDFInfo
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- CN103711483B CN103711483B CN201410015264.4A CN201410015264A CN103711483B CN 103711483 B CN103711483 B CN 103711483B CN 201410015264 A CN201410015264 A CN 201410015264A CN 103711483 B CN103711483 B CN 103711483B
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Abstract
The invention provides a simulation system and simulation method of hydrocarbon generation, adsorption and desorption of shale. The simulation system comprises a shale gas self-generation device, a shale gas self-absorption device and a shale gas yield counting device which are connected in sequence. The shale gas self-generation device is used for simulating the hydrocarbon generating process of shale, the shale gas self-absorption device is used for simulating the adsorption and desorption processes of hydrocarbon gas, and the shale gas yield counting device is used for counting simulation parameters of the hydrocarbon gas released by desorption of the shale gas self-absorption device. The simulation system further comprises a control device connected with the shale gas self-generation device, the shale gas self-absorption device and the shale gas yield counting device. The control device is used for controlling the work pressure and temperature of the shale gas self-generation device to simulate the hydrocarbon generating process under different temperatures and pressures, controlling the work pressure and temperature of the shale gas self-absorption device to simulate the adsorption and desorption processes of the hydrocarbon gas under different temperatures and pressures, and controlling the shale gas yield counting device to count the simulation parameters of the hydrocarbon gas released by the shale gas self-absorption device. The simulation system can effectively, quickly and conveniently guide shale gas exploration and development practice.
Description
Technical field
The present invention relates to gas volume metering technical field, particularly relate to a kind of shale hydrocarbon, absorption and
Desorbing analog systems and analogy method.
Background technology
Shale gas is a kind of non-structure control, the natural gas of large-area accumulation, the generation of shale gas, one-tenth
Hide, depressurization desorption production has different Filling process and exploration and development process from conventional gas.Page
Rock edema caused by disorder of QI is adsorbed gas and free gas, and shale gas has typical from being conigenous storage characteristic, the product of shale gas
The raw gas spreading essentially from shale substrate and desorbing, therefore to assess the page in somewhere effectively
Whether rock gas has business-like prospect, first has to the hydrocarbon of the shale gas to this area, adsorbs into Tibetan
Data are simulated.
But, the equipment in terms of the most domestic hydrocarbon also not having shale gas and absorption simulation, it is impossible to right
Both having had adsorbed gas, the shale gas again with free gas feature carries out effective physical modeling, thus obtains
To various effective analog parameters.
Summary of the invention
Brief overview about the present invention given below, in order to some side about the present invention is provided
The basic comprehension in face.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It
It is not intended to determine the key of the present invention or pith, is not the model of the intended limitation present invention
Enclose.Its purpose is only to provide some concept in simplified form, more detailed in this, as discuss after a while
The thin preamble described.
The present invention provides a kind of shale hydrocarbon, adsorbs into Tibetan and desorbing analog systems, including being sequentially connected with
Shale gas from generating apparatus, shale gas self-priming apparatus and shale gas aerogenesis metering device, described shale gas
From generating apparatus for simulating the hydrocarbon process of shale, described shale gas self-priming apparatus is used for simulating hydro carbons gas
The absorption of body and desorption process, described shale gas aerogenesis metering device is used for measuring shale gas self-priming apparatus
The analog parameter of the hydrocarbon gas that desorbing is discharged；
Described system also includes producing from generating apparatus, shale gas self-priming apparatus and shale gas with shale gas respectively
The control device that gas metering device is connected, for controlling the shale gas operating pressure from generating apparatus and temperature
Spend to simulate the hydrocarbon process of shale under different temperatures and pressure condition, control shale gas self-priming apparatus
Operating pressure and temperature are conciliate with the absorption of hydrocarbon gas under simulation different temperatures and pressure condition and are drawn through
Journey, and control the shale gas aerogenesis metering device metering hydrocarbon gas that discharged of shale gas self-priming apparatus
Analog parameter.
The present invention also provides for a kind of shale hydrocarbon, absorption and desorbing analogy method, including:
Rock sample is put into shale gas be used for simulating shale gas hydrocarbon process from generating apparatus；
The hydrocarbon gas produced during hydrocarbon is introduced to shale gas self-priming apparatus simulation hydrocarbon gas
Absorption and desorption process；
The hydrocarbon discharged by shale gas aerogenesis metering device metering shale gas self-priming apparatus desorption process
The analog parameter of class gas.
Shale hydrocarbon, absorption and desorbing analog systems and analogy method that the present invention provides can realize mould
The processes such as the plan generation of shale gas, absorption and desorbing, meanwhile, under control of the control means can be with mould
Intend Different Strata temperature, pressure condition nextpage Piper pulicatulum C. D C. hydrocarbon speed, hydrocarbon type；Simulation different temperatures,
The shale under shale desorption rate, desorption quantity and simulation different temperatures, pressure condition under pressure condition
Filling process, one-tenth hide speed and accumulation feature, shale gas can be instructed to explore effectively, quickly and easily
Development Practice.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is shale hydrocarbon, absorption and the knot of a kind of embodiment of desorbing analog systems that the present invention provides
Structure schematic diagram.
Shale hydrocarbon, absorption and the stream of a kind of embodiment of desorbing analogy method that Fig. 2 provides for the present invention
Cheng Tu.
Reference:
1-electrodynamic pump, 2,4-hand-operated valve, 3-intermediate receptacle, 5-make-up valve, 6-Hydraulic Station, 7-is little
Oil cylinder, 8-high temperature furnace, 9-large tank, 10-the first pressure transducer, 30-the second pressure transducer,
37-the 3rd pressure transducer, 41-the 4th pressure transducer, 43-the 5th force pressure sensor, 11-
Upper row's hydrocarbon valve, 16-the first electromagnetic valve, 12-the second electromagnetic valve, 14-the 3rd electromagnetic valve, 32-the 4th electricity
Magnet valve, 39-the 5th electromagnetic valve, 13-the first pressure regulator valve, 15-the second pressure regulator valve, arrange hydrocarbon valve under 17-,
18-the first air valve, 28-the second air valve, 48-the 3rd air valve, 49-the 4th air valve, the 5th air valve 29,
36-the 6th air valve, 50-the 7th air valve, 51-the 8th air valve, 19-the second low temperature bath, 47-first
Low temperature bath, 20-liquid container, 21-constant-flux pump, 22-liquid-filling pool, 23-electronic balance, 24-surveys
Amount electrode, 25-first switchs, 46-second switch, 26-the first gasometer, 27-the second gasometer,
31-source of the gas valve, 33-first balances with reference to cylinder, 38-with reference to cylinder, 35-the 3rd with reference to cylinder, 34-second
Valve, 40-rock core self-priming model, 42-ring pressure tracker, 44-three-way valve, 45-back pressure controls pump.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in inventive embodiments, clearly and completely retouches the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.
Element described in the accompanying drawing of the present invention or a kind of embodiment and feature can with one or
Element shown in other accompanying drawings more or embodiment and feature combine.It should be noted that, in order to
Clearly purpose, accompanying drawing and explanation eliminate unrelated to the invention, those of ordinary skill in the art
Known parts and the expression of process and description.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained on the premise of not paying creative work, broadly falls into
The scope of protection of the invention.
With reference to Fig. 1, a kind of shale gas hydrocarbon that the present embodiment provides, adsorb into Tibetan and desorbing simulation system
System, measures from generating apparatus, shale gas self-priming apparatus and shale gas aerogenesis including the shale gas being sequentially connected with
Device, described shale gas is from generating apparatus for simulating the hydrocarbon process of shale, and described shale gas self-priming fills
Put the absorption for simulating hydrocarbon gas and desorption process, described shale gas aerogenesis metering device by based on
The analog parameter of the hydrocarbon gas that amount shale gas self-priming apparatus desorbing is discharged；
Described system also includes producing from generating apparatus, shale gas self-priming apparatus and shale gas with shale gas respectively
The control device that gas metering device is connected, for controlling the shale gas operating pressure from generating apparatus and temperature
Spend to simulate the hydrocarbon process of shale under different temperatures and pressure condition, control shale gas self-priming apparatus
Operating pressure and temperature are conciliate with the absorption of hydrocarbon gas under simulation different temperatures and pressure condition and are drawn through
Journey, and control the shale gas aerogenesis metering device metering hydrocarbon gas that discharged of shale gas self-priming apparatus
Analog parameter.
Analog parameter includes volume and/or the quality of hydrocarbon gas.
From generating apparatus, shale gas includes that electrodynamic pump 1, intermediate receptacle 3, high temperature furnace the 8, first low temperature are bathed
Groove the 47, second low temperature bath the 19, first gasometer 26 and the second gasometer 27；
Described electrodynamic pump 1, intermediate receptacle 3, high temperature furnace 8 pass sequentially through pipeline and connect, electrodynamic pump 1
The pipeline being connected with intermediate receptacle 3 is provided with first manual valve 2, intermediate receptacle 3 and combined high-temperature
The connecting line of stove is provided with the second hand-operated valve 4 and make-up valve 5；
Sample room, top, sample room and first low temperature bath the 47, first tolerance it is provided with in high temperature furnace 8
Meter 26 passes sequentially through pipeline and connects, and an air valve and source of the gas valve are passed through in the gas outlet of the first gasometer 26
31 are connected with shale gas self-priming apparatus, and top, described sample room is connected with the first low temperature bath 47
The row's of being additionally provided with hydrocarbon valve the 11, first pressure regulator valve 13 and the first air valve 18, described first low temperature on pipeline
It is additionally provided with the second air valve 28 on the pipeline that bath 47 is connected with the first gasometer 26；
Pass sequentially through pipeline with second low temperature bath the 19, second gasometer 27 bottom sample room to be connected,
The gas outlet of the second gasometer 27 is connected with shale gas self-priming apparatus with source of the gas valve 31 by an air valve
Connect, the pipeline being connected with the second low temperature bath 19 bottom described sample room is additionally provided with lower row's hydrocarbon valve 17,
Second pressure regulator valve 15 and the 3rd air valve 48, described second low temperature bath 19 and the second gasometer 27 phase
It is additionally provided with the 4th air valve 49 on the pipeline connected；
Described shale gas also includes the first pressure transducer 10 being connected with sample room from generating apparatus,
The second pressure transducer 30 being connected with the first low temperature bath 47 and the second low temperature bath 19 respectively；
Shale gas also includes liquid container 20, constant-flux pump 21, liquid container 20 and advection from generating apparatus
Being connected by pipeline between pump 21, constant-flux pump 21 is respectively by pipeline and the first gasometer 26 and the
Two gasometers 27 are connected, and constant-flux pump 21 is connected with the first gasometer 26 and the second gasometer 27
Pipeline in be respectively equipped with the 5th air valve 29；
Described shale gas also includes from generating apparatus and make-up valve 5, upper row's hydrocarbon valve 11, lower row's hydrocarbon valve 17
And first electromagnetic valve the 16, second electromagnetic valve the 12, the 3rd electromagnetic valve 14 and that source of the gas valve 31 is connected
4th electromagnetic valve 32；
Shale gas also includes large tank 9 and the small oil tank 7 being connected with high temperature furnace from generating apparatus, respectively
The Hydraulic Station 6 being connected with large tank 9 and small oil tank 7, is additionally provided with temperature sensor in high temperature furnace；
Hydraulic Station 6, temperature sensor, first electromagnetic valve the 16, second electromagnetic valve the 12, the 3rd electromagnetism
Valve the 14, the 4th electromagnetic valve 32, electrodynamic pump the 1, first pressure transducer the 10, second pressure transducer
30, first air valve the 18, second air valve the 28, the 3rd air valve the 48, the 4th air valve the 49, the 5th air valve
29, first pressure regulator valve the 13, second pressure regulator valve 15 and constant-flux pump 21 electrically connect with control device respectively.
Wherein, heating part is the core apparatus from generating apparatus, selects special nonstandard hydraulic system to add
Pressure, has manual and automatic dual-use function, it is ensured that directly apply for a long time, stably by simulated pressure
On rock core in high temperature furnace 8, maximum pressure 200MPa, to guarantee to simulate underground 8000m
The stratum lithostatic pressure that depths rock is born.Sample room internal diameter is 32mm, after the compacting of sample room
Low height is 100mm, sample room compacting displacement 100mm, sample room inner chamber overall length 200mm, sample
It is 120MPa that maximum fluid pressure is born in room, and bearing maximum burden pressure is 275MPa, maximum functional temperature
Degree is 500 DEG C, uses the nickel-bass alloy material of corrosion-and high-temp-resistant to make.Heating system is a set of group
Box-like box-type high-temperature furnace, temperature is heated by the aerial conduction of inner chamber, it is ensured that the sample in high temperature furnace is subject to
Heat is uniformly with stable, it is ensured that temperature fluctuation < 1 DEG C.The bottom of high temperature furnace inner chamber and top have the most logical
Hole, for the large tank 9 of hydraulic system and moving up and down of small oil tank 8 piston rod；The top of sample room
A through hole is reserved respectively for being connected with upper row's hydrocarbon valve 11 and lower row's hydrocarbon valve 17 pipeline in portion and bottom；
Also reserve a temperature sensor jack inside it, be used for placing temperature sensor, be used for monitoring inner chamber
Variations in temperature.
When, after the hydrocarbon generation in sample room, hydro carbons includes gas and oil, to discharge after generation, due to
Gas is relatively light, runs to top, will be discharged by upper 11 gases of row's hydrocarbon valve, final through piping
Enter the first low temperature bath 47；The proportion of oil is relatively big, discharges through lower 17 oil of row's hydrocarbon valve, passes through
Pipeline eventually enters into the second low temperature bath 19.
Shale gas is automatically collected and measures the automatization coordinating and realizing discharge fluid collection with electromagnetic valve,
Low temperature bath has the pid number temperature control technique of advanced person, and temperature-controlled precision is high, good refrigeration effect, uses
Life-span is long, and volume is little.Shale gas puts into metering device the-the first gasometer 26 and the second gasometer 27
Select homemade tolerance metering device, tolerance metering device is designed with piston rod mechanism and displacement sensing
Device, it can be ensured that product can accurate measurement, simultaneously constant-flux pump 21, can in tolerance metering device receive
The shale gas of collection carries out supercharging, reverts to shale formation cond.The flow of constant-flux pump 21 is preferred
For 0.1-10mL/min, maximum working pressure (MWP) 40MPa.
Control device and shale gas is mainly included temperature control, Stress control and stream from the control of generating apparatus
Body turnover controlling alarm composition, the control of whole system is divided into and automatically controlling and Non-follow control, Ke Yifen
Other analog temperature, pressure system and row's hydrocarbon and fluid are realized automatically with and Non-follow control, automatically control
Can set on computers, and show to graphically.Gathered when described control device detects
When temperature value or force value are more than the preset value of its inside, control to send alarm signal and report to the police.
Above-described shale gas passes through electrodynamic pump 1 to high temperature furnace 8 supercharging, combination type height from generating apparatus
Sample room is heated by temperature stove 8, output oil gas, after setting temperature and pressure parameter, and combination
The temperature and pressure of formula high temperature furnace 8 indoor.This device is by applying certain to combined high-temperature stove 8
Temperature, pressure condition, reach simulated implementation hydrocarbon gas in the output speed of different condition, quantum of output
Purpose with type.
Shale gas self-priming apparatus includes being connected rock core self-priming model 40 by pipeline with source of the gas valve 31,
Also include that first of the pore volume in demarcating void volume and shale is joined with reference to cylinder 33, second
Examine cylinder 34 and the 3rd to join with reference to cylinder 34 and the 3rd with reference to cylinder 35, described first reference cylinder 33, second
Examine cylinder 35 respectively by the 6th air valve the 36, the 7th air valve the 50, the 8th air valve 51 and source of the gas valve 31
And the pipeline UNICOM between rock core self-priming model 40, rock core self-priming apparatus is also by three-way valve 44 and page
Rock gas aerogenesis metering device is connected；
Balanced valve 38 and it is additionally provided with rock core self-priming model 40 on the pipeline that source of the gas valve 31 is connected
Three pressure transducers 37, on the pipeline that described rock core self-priming model 40 is connected with three-way valve 44 also
Being provided with the 4th pressure transducer 41, rock core self-priming model 40 is also connected with ring pressure tracker 42；
Three-way valve 44 also controls pump 45 with back pressure and the 5th pressure transducer 43 is connected, described flat
Weighing apparatus valve 38 is connected with the 5th electromagnetic valve 39；
Wherein, the 6th air valve the 36, the 7th air valve the 50, the 8th air valve the 51, the 3rd pressure transducer 37,
4th pressure transducer the 41, the 5th pressure transducer the 43, the 5th electromagnetic valve 39, ring pressure tracker 42
And back pressure controls pump 45 and electrically connects with control device respectively.
Further, first is specific with reference to cylinder the 33, second reference cylinder 34 and the 3rd reference cylinder 35
The rigid container of volume, capacity is respectively 40mL, 90mL, 250mL, built-in standard steel ball, and it is made
With the pore volume being used in demarcation void volume and shale.Rock core self-priming model 40 uses rock core
Gripper structure, ring pressure design pressure 50MPa, it is suitable for core diameter 100mm, rock core length
300mm, self-priming model is rotatable, and can vertical-horizontal location, conveniently handling rock core, self-priming model
Additional ring pressure, ring pressure pressure is controlled by ring pressure tracker 42, and its effect is to be injected by gas, real
Existing supercharging, the adsorption process of hydrocarbon gas during simulated pressure increase.
Control device the control of shale gas self-priming apparatus mainly to include temperature control, Stress control, enters
Gas control system, gas diffusion balance controls.The control of whole instrument is divided into and automatically controlling and Non-follow control, can
With respectively the detection of analog temperature, pressure system and adsorption equilibrium and control are divided into automatically with and manually
Control.Automatically control and all can set on computers, and show to graphically.Stress control is main
Device and pressure sensor monitoring is followed the tracks of including ring pressure.The effect of ring pressure tracker 42 is to maintain rock core
The pressure stability of self-priming apparatus, its operating pressure reaches as high as 60MPa, range of flow 0-35ml/min.
This ring pressure tracker 42 uses the Programmable Logic Controller of advanced person to be core, and high-precision servo motor is
Power, uses touch screen as controlling interface, and Programmable Logic Controller has fast operation, anti-interference energy
The advantages such as power is strong, Serve Motor Control precision is up to 1/131072 turn, and operates steadily, touch screen
Integrate display and input, the running status of ring pressure tracker 42 can be shown intuitively, convenient
Amendment ring pressure tracker 42 parameter and change running status.When described control device detects
When the temperature value gathered or force value are more than the preset value of its inside, control to send alarm signal and carry out
Report to the police.
Shale gas aerogenesis metering device includes the Sheng being connected by pipeline respectively with described three-way valve 44
Liquid pool 22 and electronic balance 23, also by pipeline phase between described liquid-filling pool 22 and electronic balance 23
Connection, the pipeline between described three-way valve 44, liquid-filling pool 22 and electronic balance 23 is respectively equipped with
First switch 24, second switch 25, described electronic balance 23 is provided with measurement electrode 24；
First switch 24, second switch 25, measure electrode 24 and electronic balance 23 respectively with control
Device is connected.
The effect of shale gas aerogenesis metering device is that the gas production of the hydrocarbon gas to shale is carried out accurately
Metering, its operation principle is to utilize high-precision pressure transducer produced pressure when flowing through gas
Change is monitored, and the size of pressure variety can produce analogue signal, and analogue signal intensity can generation
The gas flow that table is different, then by time record, it is possible to achieve the gasmetry in unit interval section.
Back pressure automatic control is a pump that single board computer controls again, can realize Programmed control, also with communication port,
Also can realize computer control, back pressure controls pump 45 and can realize remotely controlling by RS232 connection,
Host computer sends operating instruction to pump and remotely controls the operation of pump.5th pressure transducer 43 uses height
Accuracy pressure sensor, precision 0.1%FS, range 40MPa.Output gas metering system is mainly by containing
Liquid pool 22, electronic balance 23 and measurement electrode 24 realize the metering of the volume to shale gas and quality.
Control device the control of shale gas aerogenesis metering device is included pressure, temperature, balance flow,
Displacement monitorings etc. control, and in order to ensure the reliability of certainty of measurement and control, use import MOX C168H
Digital collection controls card, thus realizes digital collection transmission.This software is made up of two parts: one
Run on the monitoring software of industrial computer, be responsible for on-site data gathering and process and the directly control of process of the test
System, including numeral I/O, analog quantity I/O, process of the test logical judgment, control, and is responsible for and instrument
Table, ring pressure tracker, back pressure control pump, the communication of electronic balance, and issue operational order；Another
The individual interface operation software running on microcomputer, can realize human computer conversation, after operator set parameter,
Just can unmanned, computer can automatically gather all pressure, temperature, flow, displacement, and control
The operation of pump processed, the switch etc. of High Temperature High Pressure automatic valve；The system that the present embodiment provides also includes reporting to the police
When described control device, device, for detecting that gathered temperature value or force value are more than its inside
During preset value, send alarm signal.
In above-described embodiment, further, described first pressure transducer is high-temp pressure sensor,
Range is 120MPa, and precision is 0.25%FS；The range of described second pressure transducer is respectively
40MPa, precision is respectively 0.25%FS；The range of described 3rd pressure transducer is 35MPa, precision
For 0.1%FS；The range of described 5th pressure transducer is 35MPa, and precision is 0.1%FS；Described
The precision of displacement transducer is 0.001mm.
With reference to Fig. 2, the present embodiment also provides for a kind of shale hydrocarbon, absorption and desorbing analogy method, bag
Include:
Step S101, puts into rock sample shale gas and is used for simulating shale gas hydrocarbon mistake from generating apparatus
Journey；
Step S102, is introduced to shale gas self-priming apparatus mould by the hydrocarbon gas produced during hydrocarbon
Intend absorption and the desorption process of hydrocarbon gas；
Step S103, measures shale gas self-priming apparatus desorption process by shale gas aerogenesis metering device
The analog parameter of the hydrocarbon gas discharged.
Specifically, according to shown in Fig. 1, equipment installation is connected together.First, rock sample is put
Enter combined high-temperature stove 8 and carry out heating simulation shale hydrocarbon process, start heating system, to sample root
Heating according to requiring, produce hydrocarbon gas and oil after heating, gas is discharged by upper row's hydrocarbon valve 11,
Oil got rid of by lower row's hydrocarbon valve 17, respectively enter be marked with cooling water the first low temperature bath 47 and second low
Temperature bath 19, and it is right to utilize the displacement transducer of the first gasometer 26 and the second gasometer 27 to realize
The metering of shale gas volume, the above simulation process just completing shale hydrocarbon.
After completing hydrocarbon simulation, open rock core self-priming model 40 and load rock core, then tighten two ends,
Then start constant-flux pump 21, squeeze into helium atmosphere for flushing pipe and rock core self-priming model 40, and
Carry out three free space volumes corrections, open hydrocarbon and simulate the gas valve collected, and source of the gas valve
31, hydrocarbon gas is imported rock core self-priming model 40, and constantly uses constant-flux pump 21 to pressurize,
Start ring pressure tracker 42 so that hydrocarbon gas absorbs in shale core, and reaches to set simultaneously
Meter pressure completes shale adsorption experiment.After adsorption experiment completes, control pump 45 by back pressure and make
In rock core self-priming model, pressure progressively declines and discharges gas, and utilizes output gas metering system to count
Amount, obtains output gas volume and quality by electronic balance 23 and measurement electrode 24, completes shale
The simulation of output gas experiment.
Shale gas hydrocarbon, absorption and the desorbing analog systems that the present invention provides, it is achieved that shale gas hydrocarbon
Simulation, realizes shale desorption experiment simultaneously, and effect is directly perceived, clear；Can simulate Different Strata temperature,
Pressure condition nextpage Piper pulicatulum C. D C. hydrocarbon speed, hydrocarbon type；Can simulate under different temperatures, pressure condition
Shale desorption rate, desorption quantity；The shale under different temperatures, pressure condition can be simulated become to hide simultaneously
Process, one-tenth hide speed and accumulation feature.
Shale gas hydrocarbon, absorption and the desorbing analog systems that the present invention provides, can be carried out each area
Adsorption experiment work is hidden in the simulation of shale gas hydrocarbon, one-tenth.Shale gas hydrocarbon can be efficiently accomplished become to hide simulation
Work, can instruct shale gas exploration and development to put into practice efficiently and easily.
In the various embodiments described above of the present invention, the sequence number of embodiment is merely convenient of description, does not represent enforcement
The quality of example.Description to each embodiment all emphasizes particularly on different fields, and does not has the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
In the embodiments such as apparatus and method of the present invention, it is clear that each parts or each step are to divide
Solve, combine and/or decompose after reconfigure.These decompose and/or reconfigure and should be regarded as the present invention
Equivalents.Meanwhile, in description to the specific embodiment of the invention above, implement for one
Mode describes and/or the feature that illustrates can be in same or similar mode one or more other
Embodiment uses, combined with the feature in other embodiment, or substitute other embodiment
In feature.
It should be emphasized that term " include/comprise " referring to when using herein feature, key element, step or
The existence of assembly, but it is not precluded from depositing of one or more further feature, key element, step or assembly
Or additional.
Last it is noted that although the present invention and advantage thereof have been described in detail above, but should
When understanding in the situation without departing from the spirit and scope of the present invention being defined by the claims appended hereto
Under can carry out various change, substitute and convert.And, the scope of the present invention is not limited only to description
Described process, equipment, means, the specific embodiment of method and steps.Common in this area
Technical staff will readily appreciate that from the disclosure, according to the present invention can use execution with
Function that this described corresponding embodiment is essentially identical or obtain the result essentially identical with it, show
Have and process, equipment, means, method or step the most to be developed.Therefore, appended power
Profit requires to be directed in the range of them including such process, equipment, means, method or step.
Claims (10)
1. a shale hydrocarbon, absorption and desorbing analog systems, it is characterised in that include connecting successively
The shale gas connect is from generating apparatus, shale gas self-priming apparatus and shale gas aerogenesis metering device, described shale
Gas is used for simulating the hydrocarbon process of shale under different temperatures and pressure condition, described shale gas from generating apparatus
Self-priming apparatus is for simulating absorption and the desorption process of hydrocarbon gas under different temperatures and pressure condition, institute
State shale gas aerogenesis metering device for measuring the hydrocarbon gas that shale gas self-priming apparatus desorbing is discharged
Analog parameter；
Described system also includes producing from generating apparatus, shale gas self-priming apparatus and shale gas with shale gas respectively
The control device that gas metering device is connected, for controlling the shale gas operating pressure from generating apparatus and temperature
Spend to simulate the hydrocarbon process of shale under different temperatures and pressure condition, control shale gas self-priming apparatus
Operating pressure and temperature, with simulate hydrocarbon gas under different temperatures and pressure condition absorption conciliate be drawn through
Journey, and control the shale gas aerogenesis metering device metering hydrocarbon gas that discharged of shale gas self-priming apparatus
Analog parameter.
Shale hydrocarbon the most according to claim 1, absorption and desorbing analog systems, its feature
Being, described shale gas includes electrodynamic pump, intermediate receptacle, high temperature furnace, the first low temperature bath from generating apparatus
Groove, the second low temperature bath, the first gasometer and the second gasometer；
Described electrodynamic pump, intermediate receptacle, high temperature furnace pass sequentially through pipeline and connect, and electrodynamic pump holds with middle
The pipeline that device connects is provided with first manual valve, and the connecting line of intermediate receptacle and high temperature furnace is provided with the
Two hand-operated valves and make-up valve；
Sample room, top, described sample room and the first low temperature bath, the first gas it is provided with in described high temperature furnace
Gauge passes sequentially through pipeline and connects, and the gas outlet of the first gasometer is by an air valve and source of the gas valve and page
Rock gas self-priming apparatus is connected, and the pipeline that top, described sample room is connected with the first low temperature bath also sets
There are upper row's hydrocarbon valve, the first pressure regulator valve and the first air valve, described first low temperature bath and the first gasometer phase
It is additionally provided with the second air valve on the pipeline connected；
Pass sequentially through pipeline with the second low temperature bath, the second gasometer bottom sample room to be connected, the second gas
The gas outlet of gauge is connected with shale gas self-priming apparatus with described source of the gas valve by an air valve, described
Be additionally provided with on the pipeline being connected with the second low temperature bath bottom sample room lower row's hydrocarbon valve, the second pressure regulator valve and
3rd air valve, the pipeline that described second low temperature bath and the second gasometer are connected is additionally provided with the 4th gas
Valve.
Shale hydrocarbon the most according to claim 2, absorption and desorbing analog systems, its feature
Being, described shale gas also includes the first pressure transducer being connected with sample room from generating apparatus, with
The second pressure transducer that first low temperature bath and the second low temperature bath are respectively connected with；
Described shale gas also includes liquid container, constant-flux pump from generating apparatus, liquid container and constant-flux pump it
Between connected by pipeline, constant-flux pump is connected by pipeline and the first gasometer and the second gasometer respectively
Connect, the pipeline that constant-flux pump is connected with the first gasometer and the second gasometer is respectively equipped with the 5th gas
Valve.
Shale hydrocarbon the most according to claim 3, absorption and desorbing analog systems, its feature
Be, described shale gas also include from generating apparatus with described make-up valve, upper row's hydrocarbon valve, lower row's hydrocarbon valve,
The electromagnetic valve that source of the gas valve is connected；
Described shale gas also includes large tank and the small oil tank being connected with high temperature furnace from generating apparatus, respectively
The Hydraulic Station being connected with large tank and small oil tank, is additionally provided with temperature sensor in described high temperature furnace；
Described Hydraulic Station, temperature sensor, electromagnetic valve, electrodynamic pump, the first pressure transducer, second
Pressure transducer, the first air valve, the second air valve, the 3rd air valve, the 4th air valve, the 5th air valve,
One pressure regulator valve, the second pressure regulator valve and constant-flux pump electrically connect with control device respectively.
Shale hydrocarbon the most according to claim 2, absorption and desorbing analog systems, its feature
Being, described shale gas self-priming apparatus includes being connected rock core self-priming model by pipeline with source of the gas valve,
Also include the first reference cylinder of pore volume in demarcating void volume and shale, the second reference cylinder
And the 3rd with reference to cylinder, described first with reference to cylinder, second pass through air valve with reference to cylinder and the 3rd respectively with reference to cylinder
And the pipeline UNICOM between source of the gas valve and rock core self-priming model, described rock core self-priming apparatus is also by threeway
Valve is connected with described shale gas aerogenesis metering device；
It is additionally provided with balanced valve and the 3rd pressure on the pipeline that described source of the gas valve is connected with rock core self-priming model
Force transducer, the pipeline that described rock core self-priming model is connected with three-way valve is additionally provided with the 4th pressure and passes
Sensor, described rock core self-priming model is also connected with ring pressure tracker；
Described three-way valve also controls pump and the 5th pressure transducer with back pressure and is connected, described balanced valve with
One electromagnetic valve is connected；
Wherein, described air valve, the 3rd pressure transducer, the 4th pressure transducer, the 5th pressure sensing
Device, electromagnetic valve, ring pressure tracker and back pressure control pump and electrically connect with control device respectively.
Shale hydrocarbon the most according to claim 5, absorption and desorbing analog systems, its feature
Being, described first is respectively provided with standard steel with reference to cylinder, the second reference cylinder and the 3rd with reference in cylinder
Ball, the volume of described first reference cylinder is less than second with reference to the volume of cylinder, and described second with reference to cylinder
Volume is less than the 3rd reference cylinder；And/or,
Described rock core self-priming model uses core holding unit formula structure, and rotatable and can vertical water calm down
Position.
Shale hydrocarbon the most according to claim 6, absorption and desorbing analog systems, its feature
Being, described shale gas aerogenesis metering device includes being connected by pipeline with described three-way valve respectively
Logical liquid-filling pool and electronic balance, be connected also by pipeline between described liquid-filling pool and electronic balance,
Switch, described electronics sky it is respectively equipped with on pipeline between described three-way valve, liquid-filling pool and electronic balance
Put down and be provided with measurement electrode；
Described switch, measurement electrode and electronic balance are connected with control device respectively.
Shale hydrocarbon the most according to claim 2, absorption and desorbing analog systems, its feature
Being, described first gasometer and the second gasometer are also respectively cooperating with being provided with for measuring shale
The piston rod mechanism of gas growing amount and displacement transducer.
Shale hydrocarbon the most according to claim 1, absorption and desorbing analog systems, its feature
Being, described system also includes alarm device, for gathered temperature being detected when described control device
When angle value or force value are more than preset value, send alarm signal.
10. a shale hydrocarbon, absorption and desorbing analogy method, it is characterised in that want based on right
Asking the arbitrary described shale hydrocarbon of 1-9, absorption and desorbing analog systems to realize, described method includes:
Rock sample is put into shale gas be used for simulating shale gas hydrocarbon process from generating apparatus；
The hydrocarbon gas produced during hydrocarbon is introduced to shale gas self-priming apparatus simulation hydrocarbon gas
Absorption and desorption process；
The hydrocarbon discharged by shale gas aerogenesis metering device metering shale gas self-priming apparatus desorption process
The analog parameter of class gas.
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