CN108590589A - Library gas injection liquid row's halogen physical simulating device and analogy method are built in salt cave - Google Patents
Library gas injection liquid row's halogen physical simulating device and analogy method are built in salt cave Download PDFInfo
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- CN108590589A CN108590589A CN201711375566.2A CN201711375566A CN108590589A CN 108590589 A CN108590589 A CN 108590589A CN 201711375566 A CN201711375566 A CN 201711375566A CN 108590589 A CN108590589 A CN 108590589A
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- salt cave
- tubing string
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- library
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
Abstract
Library gas injection liquid row's halogen physical simulating device is built the invention discloses a kind of salt cave and analogy method, the device include：Liquid injection system, gas injection system, analog salt cave object mould, wherein analog salt cave object mould includes：Salt cave chamber is arranged at the artificial bottom in salt cave bottom of chamber portion, the spaced partition board of lengthwise extending direction along salt cave chamber and the internal layer tubing string, intermediate tubing string, the outer layer tubing string that are threaded through in partition board and are arranged successively；Liquid injection system includes：Fluid reservoir is arranged between fluid reservoir and salt cave chamber and is provided with the first flow of the first liquid control valve, plunger pump, first flowmeter, the second flow channel being arranged between fluid reservoir and internal layer tubing string；Gas injection system includes：The third flow channel being connected to salt cave chamber is provided with pressure regulator valve, second flowmeter and gas control valve in third flow channel.The present invention can meet the physical analogy demand that library gas injection liquid row's halogen is built in salt cave comprehensively.
Description
Technical field
The present invention relates to salt cave underground storage database technology field, more particularly to library gas injection liquid row's halogen physics is built in a kind of salt cave
Simulator and analogy method.
Background technology
Underground natural gas storage is most effective, most reliable peak regulation and reserve media.Salt hole air reserved storeroom is main
One of gas storage type has the advantages that note adopts that efficient, short-term handling capacity is big, bed course tolerance is low and can recycle completely, salt cave
Cavity is the good carrier of natural gas-storing, has important strategic importance in China's West-East National Gas Transmission Project.
China's salt hole air reserved storeroom construction is started late, and library is built in salt cave, and there are various problems in the process, influence salt cave and build library speed
Degree and cost.There is the phenomenon that row's halogen pipe salt crystallization, the processing drop of row's halogen pipe salt crystallization during making chamber and gas injection row's halogen in salt cave
Library speed is built in low salt cave, is increased salt cave and is built library investment.During chamber is made in salt cave, there are asking for intracavitary bottom insoluble matter plugging
Topic, the processing of plugging, which equally reduces, builds library benefit.
It is needed to be optimized currently, salt hole air reserved storeroom makes chamber technological parameter, rational process parameter optimizing scheme can carry
Library benefit is built in cave with high salt.The technological parameter of salt cave gas injection row's halogen needs to optimize, and to reduce the crystallization of tubing string salt, insoluble matter plugging shows
As improving gas injection and arranging halogen speed.
But a simulator not yet domestic at present systematically can build the above problem existing for library to salt cave and carry out
Comprehensive desk research.
Invention content
The object of the present invention is to provide a kind of salt caves to build library gas injection liquid row's halogen physical simulating device and analogy method, Neng Gouke
The problems of the prior art are taken, meet the physical analogy demand that library gas injection liquid row's halogen is built in salt cave comprehensively.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention：
Library gas injection liquid row's halogen physical simulating device is built in a kind of salt cave, including：
For simulating the liquid injection system of ground flood pattern, injecting system for simulating the gas of ground injecting gas system
It unites, for the analog salt cave object mould of analog salt cave gas injection library and practical mining tubing string, wherein
The analog salt cave object mould includes：Salt cave chamber is arranged at the artificial bottom in salt cave bottom of chamber portion, along the salt cave
The spaced partition board of lengthwise extending direction of chamber and be threaded through in the partition board and be arranged successively internal layer tubing string, centre
Tubing string, outer layer tubing string；
The liquid injection system includes：Fluid reservoir is arranged between the fluid reservoir and salt cave chamber and is provided with
The first flow of first liquid control valve, plunger pump, first flowmeter is arranged between the fluid reservoir and the internal layer tubing string
Second flow channel；
The gas injection system includes：The third flow channel being connected to salt cave chamber is provided in the third flow channel
Pressure regulator valve, second flowmeter and gas control valve.
In one preferred embodiment, the bottom of the fluid reservoir is provided with bleeder valve.
In one preferred embodiment, it is provided with flow control valve in the second flow channel.
In one preferred embodiment, further include frequency converter, the frequency converter and the first flowmeter and described
Plunger pump is connected.
In one preferred embodiment, there is public pipeline section, institute between the first flow and the third flow channel
The outlet end for stating public pipeline section is connected with salt cave chamber.
In one preferred embodiment, the first opening is provided on the side wall of the fluid reservoir, the fluid reservoir
Upper end is provided with the second opening, and the first flow is provided with the first liquid control in the position with the first opening connection
Valve processed, the first flow are provided with second liquid control valve in the position converged with the third flow channel.
In one preferred embodiment, the size and injection-production column jacket of the internal layer tubing string, intermediate tubing string, outer layer tubing string
Size equal proportion.
In one preferred embodiment, salt cave chamber, internal layer tubing string, intermediate tubing string and outer layer tubing string are by transparent material
Matter is made.
In one preferred embodiment, salt cave chamber is the internal diameter of hollow cylindrical tube, salt cave chamber
It is 0.8 meter, 1.4 meters high-order, 2 megapascal of highest pressure-bearing.
A kind of analogy method for building library gas injection liquid row's halogen physical simulating device based on above-mentioned salt cave, including：
The brine configured is injected into fluid reservoir；
Start plunger pump, be connected to first flow and second flow channel, establishes the liquid stream cycle between fluid reservoir and salt cave chamber, or
Person opens simultaneously pressure regulator valve, is connected to third flow channel；
The flow in liquid stream cycle is adjusted, liquid stream cycle is persistently carried out；
Liquid stream after circulation terminates, tests the experimental result of internal layer tubing string, and the experimental result of the internal layer tubing string includes：Crystallization
Situation, insoluble matter stopping state.
The features and advantages of the invention are：Library gas injection liquid row's halogen physical simulating device and simulation are built in salt cave provided by the present application
Method, mainly by the way that the liquid injection system for simulating ground flood pattern, the gas for simulating ground injecting gas system is arranged
Body injected system, for the analog salt cave object mould of analog salt cave gas injection library and practical mining tubing string, gas injection liquid row's halogen can be simulated
The hydraulic parameter of tubing string in the process can complete a variety of different simulated experiments, including tubing string crystallization experiment, intracavitary bottom insoluble matter
The experiments such as pit physical analogy, cavity fluid movement physical analogy are rinsed in plugging simulation, salt chamber.
With reference to following description and accompanying drawings, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that profit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It is used in a other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
Fig. 1 is the structural schematic diagram that library gas injection liquid row's halogen physical simulating device is built in a kind of salt cave in the application embodiment；
Fig. 2 is the step flow chart that library gas injection liquid row's halogen physical simulating method is built in a kind of salt cave in the application embodiment.
Reference sign：
1- salt cave chamber, 2- fluid reservoirs, 3- plunger pumps, 4- first flowmeters, 5- frequency converters, 6- pressure regulator valves, 7- second flows
Meter, 8- flow control valves, 9- internal layers tubing string, the centres 10- tubing string, 11- outer layers tubing string, 12- partition boards, the artificial bottoms 13-, 14- tapping
Valve, the first liquid control valves of 15-, 16- second liquids control valve, 17- gas control valves.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, elaborate to technical scheme of the present invention, it should be understood that these
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after having read the present invention, this field skill
Art personnel each fall in the application range as defined in the appended claims the modification of the various equivalent forms of the present invention.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper",
"lower", "left", "right" and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant Listed Items.
Library gas injection liquid row's halogen physical simulating device is built in a kind of salt cave of present invention offer, can overcome in the prior art ask
Topic meets the physical analogy demand that library gas injection liquid row's halogen is built in salt cave comprehensively.
Using salt cave provided by the present application build library gas injection liquid arrange halogen physical simulating device, can carry out tubing string crystallization experiment,
The experiments such as pit physical analogy, cavity fluid movement physical analogy, Jin Erke are rinsed in the insoluble matter plugging simulation of intracavitary bottom, salt chamber
It is effective to optimize the phenomenon that salt cave makes chamber and gas injection row's halogen parameter, reduces salt crystallization, insoluble matter plugging, salt cave can be effectively improved and built
Library benefit promotes China's salt hole air reserved storeroom to build library process.
Referring to Fig. 1, a kind of salt cave provided in the application embodiment build library gas injection liquid row halogen physical simulating device can
To include：For simulate the liquid injection system of ground flood pattern, the gas injection system for simulating ground injecting gas system,
Analog salt cave object mould for analog salt cave gas injection library and practical mining tubing string, wherein the analog salt cave object mould includes：Salt cave
Chamber 1 is arranged at the artificial bottom 13 of 1 bottom of salt cave chamber, along the lengthwise extending direction of salt cave chamber 1 it is spaced every
Plate 12 and internal layer tubing string 9, intermediate tubing string 10, the outer layer tubing string 11 for being threaded through in the partition board 12 and being arranged successively；The liquid
Body injected system includes：Fluid reservoir 2 is arranged between the fluid reservoir 2 and salt cave chamber 1 and is provided with the control of the first liquid
The first flow of valve 15, plunger pump 3, first flowmeter 4, second be arranged between the fluid reservoir 2 and the internal layer tubing string 9
Runner；The gas injection system includes：The third flow channel being connected to salt cave chamber 1 is provided with tune in the third flow channel
Pressure valve 6, second flowmeter 7 and gas control valve 17.
Library gas injection liquid row's halogen physical simulating device is built in salt cave provided herein：Liquid injection system, gas
Body injected system, analog salt cave object mould.
Wherein, object mould in analog salt cave includes mainly for analog salt cave gas injection library and practical mining tubing string：Salt cave chamber 1
Salt cave chamber 11, internal layer tubing string 9, intermediate tubing string 10, outer layer tubing string 11, partition board 12, artificial bottom 13.
In order to reach ideal simulation effect, the internal layer tubing string 9, intermediate tubing string 10, outer layer tubing string 11 size and note
Adopt the size equal proportion of tubing string, that is to say, that the internal layer tubing string 9 of analog salt cave object mould, intermediate tubing string 10, outer layer tubing string 11 according to
Practical tubing string scaled down design.
In addition, when in order to be convenient for simulated experiment can intuitive observation experiment process, especially inside tubing string
In situation of change, 1 salt cave chamber 11 of salt cave chamber, internal layer tubing string 9, intermediate tubing string 10 and outer layer tubing string 11 can be by transparent materials
Matter is made.Specifically, the transparent material can be glass etc., certainly, which can also select other materials, the application
Specific limit is not made herein.
In a specific embodiment, chamber 1 salt cave chamber 11 in the salt cave can be hollow cylindrical tube, described
The internal diameter of 1 salt cave chamber 11 of salt cave chamber is 0.8 meter (m), 1.4 meters high-order, 2 megapascal of highest pressure-bearing (MPa).In general, working as the salt
When chamber 1 salt cave chamber 11 in cave is cylindrical, there is preferable bearing capacity.
Liquid injection system is used to simulate ground flood pattern, includes mainly：Fluid reservoir 2, plunger pump 3, first flow
Meter 4, flow control valve 8, the first liquid control valve 15.
Wherein, it is arranged on the first flow between 1 salt cave chamber 11 of the fluid reservoir 2 and salt cave chamber and is provided with first
Liquid control valve 15, plunger pump 3, first flowmeter 4.The plunger pump 3 is used to the brine pressurization in fluid reservoir 2 being pumped to institute
It states in 1 salt cave chamber 11 of salt cave chamber.Specifically, the maximum working pressure of the plunger pump 3 can be more than 1 salt cave chamber 11 of salt cave chamber
Maximum bearing capacity.For example, the maximum working pressure of the plunger pump 3 can be 3MPa.The maximum stream flow of the plunger pump 3
333L/min.After starting plunger pump 3, it can be connected to first flow and second flow channel, establish fluid reservoir 2 and 1 salt cave of salt cave chamber
Liquid stream cycle between chamber 11.
Specifically, the flow control valve 8 can be arranged in the second flow channel.The flow control valve 8 can be used
In the flow for controlling the liquid stream cycle.Specifically, it is arranged in second flow channel, it is located at the downstream position of intermediate tubing string 10,
The liquid flow of the outflow from the intermediate tubing string 10 can be directly controlled.By adjusting the flow control valve 8, can obtain not
With the different experiments result under flow in intermediate tubing string 10.
In one embodiment, the bottom of the fluid reservoir 2 is provided with bleeder valve 14, and the bleeder valve 14 is for testing
After, discharge the brine in the fluid reservoir 2.Specifically, the fluid reservoir 2 can be the non-pressure container of upper end opening.
2 specific structure the application of the fluid reservoir does not make specific restriction herein, such as can be in 0.5m × 0.5m × 0.5m
Empty cube.
In the present embodiment, the first flowmeter 4 can be turbine flowmeter, measure fluid flow range 0.5-
10m3/h.Further, it can also include frequency converter 5, the frequency conversion that library gas injection liquid row's halogen physical simulating device is built in the salt cave
Device 5 is connected with the first flowmeter 4 and the plunger pump 3.When needing to adjust the flow of experiment, the frequency converter 5 and institute
It states plunger pump 3 and matches the adjusting for realizing flow.When the frequency converter 5 is connect with the first flowmeter 4, one can be established
Self-feedback ciucuit structure.Matched with the plunger pump 3 when the frequency converter 5 after realize flow-rate adjustment, by obtain this first
The real-time traffic of flowmeter 4, can identify whether present flow rate has reached preset target flow.If do not reached,
It can further adjust.
Gas injection system is used to simulate ground injecting gas system, includes mainly：The pressure regulator valve being arranged in third flow channel
6, second flowmeter 7, gas control valve 17.
Wherein, the second flowmeter 7 is used to measure the gas flow of injection, which is gas flowmeter, is surveyed
Measure gas flow ranging from 3-300L/min.The pressure regulator valve 6 is used to control the pressure of gas in third flow channel.The gas injects
The air source of system can directly be air, and certainly, which may be other forms, and specific the application does not make to have herein
The restriction of body.The gas control valve 17 can be used for adjusting the flow of gas in third flow channel.
In one embodiment, there is public pipeline section between the first flow and the third flow channel, it is described public
The outlet end of pipeline section is connected with 1 salt cave chamber 11 of salt cave chamber.That is, the first flow and third flow channel are in rear end
It is connected again with 1 salt cave chamber 11 of salt cave chamber after can first converging.
Further, the first opening for connecting the first flow is provided on the side wall of the fluid reservoir 2, it is described
The upper end of fluid reservoir 2 is provided with the second opening for being connected to second flow channel, and the first flow connects with first opening
The position connect is provided with first liquid control valve 15, and the first flow is arranged in the position converged with the third flow channel
There is second liquid control valve 16.
Wherein, first liquid control valve 15 is mainly used for controlling the fluid flow of the outflow of the fluid reservoir 2, and described the
Two liquid control valves 16 are mainly used for the fluid flow that control flows into 1 salt cave chamber 11 of salt cave chamber.First liquid control valve
It 15, can be to 1 salt cave chamber of salt cave chamber, 11 note when second liquid control valve 16 is used in combination with the plunger pump 3, frequency converter 5
Enter the fluid flow needed for kinds of experiments.
Salt cave provided in presently filed embodiment builds library gas injection liquid and arranges halogen physical simulating device mainly by setting
It sets the liquid injection system for simulating ground flood pattern, the gas injection system for simulating ground injecting gas system, be used for
The analog salt cave object mould in analog salt cave gas injection library and practical mining tubing string can simulate the waterpower of tubing string during gas injection liquid row's halogen
Parameter is learned, a variety of different simulated experiments, including tubing string crystallization experiment, the insoluble matter plugging simulation of intracavitary bottom, the punching of salt chamber can be completed
Wash the experiments such as pit physical analogy, cavity fluid movement physical analogy.
Referring to Fig. 2, the application builds library gas injection liquid row's halogen physical analogy dress based on the salt cave provided in the above embodiment
It sets and additionally provides a kind of corresponding analogy method, this method may include steps of：
Step S10：The brine configured is injected into fluid reservoir 2；
Step S12：Start plunger pump 3, is connected to first flow and second flow channel, establishes fluid reservoir 2 and 1 salt cave chamber of salt cave chamber
Liquid stream cycle between 11, or pressure regulator valve 6 is opened simultaneously, it is connected to third flow channel；
Step S14：The flow in liquid stream cycle is adjusted, liquid stream cycle is persistently carried out；
Step S16：Liquid stream after circulation terminates, tests the experimental result of internal layer tubing string 9, the experiment knot of the internal layer tubing string 9
Fruit includes：Crystallize situation, insoluble matter stopping state.
In the present embodiment, salt cave build library gas injection liquid row halogen physical simulating device include mainly：1 salt cave chamber of salt cave chamber
11, fluid reservoir 2, plunger pump 3, first flowmeter 4, frequency converter 5, pressure regulator valve 6, second flowmeter 7, flow control valve 8, inner tube
Column 9, intermediate tubing string 10, outer layer tubing string 11, partition board 12, artificial bottom 13, bleeder valve 14, the first liquid control valve 15, second liquid
Control valve 16, gas control valve 17.Internal layer tubing string 9 in 1 salt cave chamber 11 of salt cave chamber, intermediate tubing string 10, outer layer tubing string 11 according to
Practical tubing string scaled down design can preferably simulate the hydraulic parameter of tubing string during gas injection liquid row's halogen, complete a variety of
Different simulated experiments.
Specifically, for example when using the salt cave build library gas injection liquid row halogen physical simulating device carry out tubing string solidification imitation experiment
When, it may include steps of：
1, before testing, the various pieces in library gas injection liquid row's halogen physical simulating device are built in connection salt cave；
2, the brine configured is filled into 1 salt cave chamber 11 of salt cave chamber, fluid reservoir 2；
3, gas is injected by the pressure regulator valve of third flow channel 6, second flowmeter 7
4, start plunger pump 3, adjust injection flow, cyclic test
5, after testing, dismounting internal layer tubing string 9, intermediate tubing string 10, outer layer tubing string 11, the crystallization situation of test internal layer tubing string 9.
In addition, for example when using the salt cave build library gas injection liquid row halogen physical simulating device carry out intracavitary bottom insoluble matter plugging
When simulation test, it may include steps of：
1, insoluble matter is filled out in 1 salt cave chamber of salt cave chamber, 11 intracavitary bottom；
2, the brine configured is filled into 1 salt cave chamber 11 of salt cave chamber, fluid reservoir 2；
3, gas is injected by the pressure regulator valve of third flow channel 6, second flowmeter 7；
4, start plunger pump 3, adjust injection flow, cyclic test；
5, after testing, the insoluble matter of dismounting internal layer tubing string 9, intermediate tubing string 10, outer layer tubing string 11, test internal layer tubing string 9 is stifled
Fill in situation.
On the whole, salt cave provided herein builds library gas injection liquid row's halogen physical simulating device and proportionally adopts scene note
Note gas/liquid row's halogen process when tubing string is reduced, library is built in analog salt cave.Specifically, utilizing salt cave Jian Ku provided by the present application
Gas injection liquid row's halogen physical simulating device can carry out tubing string crystallization experiment, the insoluble matter plugging simulation of intracavitary bottom, salt chamber flushing bottom
Cheat the experiments such as physical analogy, cavity fluid movement physical analogy.
Herein cited any digital value all include between lower limiting value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.The term " substantially by ... constitute " for describing combination should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
Above-mentioned each embodiment in this specification is described in a progressive manner, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is merely several embodiments of the invention, although disclosed herein embodiment it is as above, institute
Content is stated only to facilitate the embodiment for understanding the present invention and using, is not intended to limit the present invention.Any institute of the present invention
Belong to those skilled in the art, do not depart from disclosed herein spirit and scope under the premise of, can be in embodiment
Formal and details on make any modification and variation, but the scope of patent protection of the present invention still must be with appended claims
Subject to the range that book is defined.
Claims (10)
1. library gas injection liquid row's halogen physical simulating device is built in a kind of salt cave, which is characterized in that including：For simulating ground flood pattern
Liquid injection system, the gas injection system for simulating ground injecting gas system, for analog salt cave gas injection library and practical row
Adopt the analog salt cave object mould of tubing string, wherein
The analog salt cave object mould includes：Salt cave chamber is arranged at the artificial bottom in salt cave bottom of chamber portion, along salt cave chamber
The spaced partition board of lengthwise extending direction and be threaded through in the partition board and be arranged successively internal layer tubing string, intermediate tubing string,
Outer layer tubing string；
The liquid injection system includes：Fluid reservoir is arranged between the fluid reservoir and salt cave chamber and is provided with first
The first flow of liquid control valve, plunger pump, first flowmeter, be arranged between the fluid reservoir and the internal layer tubing string
Two runners；
The gas injection system includes：The third flow channel being connected to salt cave chamber is provided with pressure regulation in the third flow channel
Valve, second flowmeter and gas control valve.
2. library gas injection liquid row's halogen physical simulating device is built in salt cave as described in claim 1, which is characterized in that the fluid reservoir
Bottom is provided with bleeder valve.
3. library gas injection liquid row's halogen physical simulating device is built in salt cave as described in claim 1, which is characterized in that the second flow channel
In be provided with flow control valve.
4. library gas injection liquid row's halogen physical simulating device is built in salt cave as described in claim 1, which is characterized in that further include frequency conversion
Device, the frequency converter are connected with the first flowmeter and the plunger pump.
5. library gas injection liquid row's halogen physical simulating device is built in salt cave as described in claim 1, which is characterized in that the first flow
There is public pipeline section between the third flow channel, the outlet end of the public pipeline section is connected with salt cave chamber.
6. library gas injection liquid row's halogen physical simulating device is built in salt cave as claimed in claim 5, which is characterized in that the fluid reservoir
It is provided with the first opening on side wall, the upper end of the fluid reservoir is provided with the second opening, and the first flow is with described first
The position of opening connection is provided with first liquid control valve, and the first flow is in the position converged with the third flow channel
It is provided with second liquid control valve.
7. library gas injection liquid row's halogen physical simulating device is built in salt cave as described in claim 1, which is characterized in that the inner tube
Column, intermediate tubing string, the size of outer layer tubing string and the size equal proportion of injection-production column jacket.
8. library gas injection liquid row's halogen physical simulating device is built in salt cave as described in claim 1, which is characterized in that salt cave chamber,
Internal layer tubing string, intermediate tubing string and outer layer tubing string are made of transparent material.
9. library gas injection liquid row's halogen physical simulating device is built in salt cave as claimed in claim 8, which is characterized in that salt cave chamber is
The internal diameter of hollow cylindrical tube, salt cave chamber is 0.8 meter, 1.4 meters high-order, 2 megapascal of highest pressure-bearing.
10. a kind of building the analogy method that gas injection liquid in library arranges halogen physical simulating device, feature based on salt cave described in claim 1
It is, including：
The brine configured is injected into fluid reservoir；
Start plunger pump, be connected to first flow and second flow channel, establishes the liquid stream cycle between fluid reservoir and salt cave chamber, Huo Zhetong
When open pressure regulator valve, be connected to third flow channel；
The flow in liquid stream cycle is adjusted, liquid stream cycle is persistently carried out；
Liquid stream after circulation terminates, tests the experimental result of internal layer tubing string, and the experimental result of the internal layer tubing string includes：Crystallize feelings
Condition, insoluble matter stopping state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711375566.2A CN108590589A (en) | 2017-12-19 | 2017-12-19 | Library gas injection liquid row's halogen physical simulating device and analogy method are built in salt cave |
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| CN201711375566.2A CN108590589A (en) | 2017-12-19 | 2017-12-19 | Library gas injection liquid row's halogen physical simulating device and analogy method are built in salt cave |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540033A (en) * | 2020-11-18 | 2021-03-23 | 中国科学院武汉岩土力学研究所 | Test device for salt deposit sediment void ratio and gas displacement brine |
| CN113588306A (en) * | 2021-07-15 | 2021-11-02 | 江苏科技大学 | Experimental device and experimental method for gas storage of residues in bottom pit of old cavity for salt mining |
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| CN113588306B (en) * | 2021-07-15 | 2022-07-19 | 江苏科技大学 | Experimental device and experimental method for gas storage of residues in bottom pit of old cavity for salt mining |
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