CN205532541U - Simulation experiment device of non - hydro carbons gas and steam pit shaft state - Google Patents
Simulation experiment device of non - hydro carbons gas and steam pit shaft state Download PDFInfo
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- CN205532541U CN205532541U CN201620271946.6U CN201620271946U CN205532541U CN 205532541 U CN205532541 U CN 205532541U CN 201620271946 U CN201620271946 U CN 201620271946U CN 205532541 U CN205532541 U CN 205532541U
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Abstract
The utility model relates to a simulation experiment device of non - hydro carbons gas and steam pit shaft state, including seal pot, non - hydro carbons gas injection system, steam injection system, drainage receiver and exhaust receiver, the cavity has in the seal pot, and the seal pot is equipped with the heating device to the cavity heating, be equipped with temperature probe and pressure probe in the cavity, non - hydro carbons gas injection system and steam injection system pass through the pipeline and are connected with the seal pot, the drainage receiver passes through the pipeline with the exhaust receiver and is connected with the seal pot. The utility model discloses an inject the gaseous dynamic condition with steam of non - hydro carbons in the active attitude simulation wellbore hole of experimental apparatus into, simulate actual dynamic condition under because the consumption of reaction, the change of objective condition emergence in the seal pot that system's heat condition such as scatter and disappear causes. The processing system of measurable, through corresponding monitoring with calculate the simulation, arbitrary any temperature, pressure, gas composition, these state parameter of mass dryness fraction in the accurate simulation pit shaft.
Description
Technical field
This utility model is the simulation experiment about a kind of viscous oil field operated by steam development approach, particularly relates to one
Non-hydrocarbon gases and the analogue experiment installation of steam wellbore conditions.
Background technology
Have the features such as high, the difficult flowing of viscosity due to the crude oil in HEAVY OIL RESERVOIR, steam drives thermal recovery and remains
The effective means of exploitation heavy crude reservoir, but deepen continuously along with steam in recent years drives production, most of main forces viscous crude
The ascendant trend of block yield is gradually slow and incipient stage property is successively decreased.For reducing the one-tenth of steam drive development as far as possible
This, explore and use non-hydrocarbons Substitute For Partial steam assisted steam flooding to carry out thermal recovery experiment.Non-hydrocarbon gases is main
Refer to CO2、N2Carry out Deng in gas (air can be used), non-hydrocarbon gases and steam injection oil well
Steam driving exploitation.
In wells in conventional heavy oil reservoir steam drives laboratory simulation field, most experiments is for only having water steaming in pit shaft
The situation of vapour, is simply analyzed the physical state of single-phase water the state analysis in steam flooding well cylinder, does not also have
The report of multimedium, heterogeneous fluid mixed state simulation experiment is used in having pit shaft.Current steam ground
Analog, based on all corrosive mediums of filling direct in reactor or reacting substance, is exactly substantially one
Meet the Static-state Space of High Temperature High Pressure, do not consider under actual dynamic condition, due to the consumption of reaction, system
The change that in the reactor that the conditions such as heat scatters and disappears cause, objective condition occurs.According to conventional pit shaft parameter simulation
The wellbore conditions of non-hydrocarbon gases and steam is simulated in experiment can face following two problem:
1, conventional steam ground simulator is only capable of simulating static physical environment, if being injected simultaneously into air and water,
Vapour, three Phase Proportion of gas and water in container cannot be grasped, it is difficult to simulation down-hole dynamic environment；
2, adding the non-hydrocarbon gases such as air due to injected media, the environment in pit shaft changes, original
Steam quality measurement device cannot accurately simulate and control the parameter such as mass dryness fraction in pit shaft.So-called mass dryness fraction, refers to every thousand
Mass percent containing dry saturated steam in gram moist steam.During in thermodynamics, the definition of mass dryness fraction is vapour-liquid concurrent, vapour
The mass fraction of phase or molar fraction.
Thus, this utility model people relies on experience and the practice being engaged in relevant industries for many years, proposes a kind of non-hydrocarbons
Gas and the analogue experiment installation of steam wellbore conditions, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is the simulation experiment dress providing a kind of non-hydrocarbon gases with steam wellbore conditions
Put, can accurately adjust the mixing situation of gas vapor, the temperature of any degree of depth in accurate simulation down-hole, pressure in seal pot
Power state parameter.
Another object of the present utility model is to provide a kind of non-hydrocarbon gases real with the simulation of steam wellbore conditions
Experiment device, it is possible to check the precision of pit shaft mass dryness fraction tester.
The purpose of this utility model is achieved in that a kind of non-hydrocarbon gases is real with the simulation of steam wellbore conditions
Experiment device, described analogue experiment installation includes:
Seal pot, has the chamber for simulation wellbore hole in described seal pot, described seal pot is provided with described
The outlet of first inlet of chamber, the second inlet, first row and second row outlet；Described seal pot sets
There is the heater that described chamber is heated；Temperature probe and pressure probe it is provided with in described chamber；
Non-hydrocarbon gases injected system, described non-hydrocarbon gases injected system is by pipeline and described first inlet
Connect, for injecting non-hydrocarbon gases in described chamber；
Steam injected system, described steam injected system is connected with described second inlet by pipeline, be used for
Steam is injected in described chamber；
Draining receptor, described draining receptor is connected with the outlet of described first row by pipeline, for receiving also
Measure the aqueous water that described seal pot is discharged；
Exhaust receiver, described exhaust receiver is connected with the outlet of described second row by pipeline, for receiving also
Measure the mixed gas that described seal pot is discharged.
In a better embodiment of the present utility model, described seal pot is the tank body closed, and described tank body has
There is the wall of three-decker, be from inside to outside followed successively by ground floor wall, second layer wall and third layer wall；Described ground floor
Wall uses resistant material to make, and described second layer wall uses insulation material to make, and described third layer wall uses anti-
Quick-fried metal shell；Be provided with resistive heater between described ground floor wall and described second layer wall, described in add thermal resistance
Silk constitutes described heater.
In a better embodiment of the present utility model, described seal pot is cylindrical tank, described ground floor
The thickness of wall, second layer wall and third layer wall is 5cm；Described ground floor wall uses nichrome to make；Institute
Stating second layer wall uses asbestos to make.
In a better embodiment of the present utility model, also set between described second layer wall and described third layer wall
Having water-cooled coil pipe, described aqueous cold plate pipe is for lowering the temperature to described third layer wall.
In a better embodiment of the present utility model, described seal pot is additionally provided with relief valve, described relief valve
With described chamber, it is used for limiting the pressure in described chamber.
In a better embodiment of the present utility model, it is provided with in described seal pot for placing determined instrument
Placing table, described temperature probe, described pressure probe are all located at outside described seal pot by connection
Data display instrument.
In a better embodiment of the present utility model, described non-hydrocarbon gases injected system includes passing through pipeline
Gas compressor, lower pressure tanks, booster pump, high pressure gas holder and the first flow controller being sequentially connected with；Described
First flow controller connects described first inlet by pipeline；Described first flow controller and described first
The pipeline that inlet connects is provided with the first check-valves；Described first check-valves from described first flow controller to
Described first inlet direction conducting.
In a better embodiment of the present utility model, logical between described gas compressor and described lower pressure tanks
Cross pressure plastic tube to connect；Between described lower pressure tanks, described booster pump, described high pressure gas holder and described
It is equipped with the control for controlling opening and closing on connecting line between one flow controller, described first check-valves
Valve.
In a better embodiment of the present utility model, described steam injected system includes being connected successively by pipeline
Water pot, constant-flux pump, steam generator and the second flow controller connect；Described second flow controller is by pipe
Road connects described second inlet；Set on the pipeline that described second flow controller is connected with described second inlet
There is the second check-valves；Described second check-valves is led to described second inlet direction from described second flow controller
Logical.
In a better embodiment of the present utility model, described steam generator, described second flow controller
And between described second inlet, use thermo-insulating pipe line to connect；Described water pot, described constant-flux pump, described steam
It is equipped with on connecting line between generator and between described second flow controller, described second check-valves
For controlling the control valve of opening and closing.
In a better embodiment of the present utility model, described draining receptor uses water tank, described water storage
Pipeline between tank and the outlet of described first row is provided with control valve.
In a better embodiment of the present utility model, described exhaust receiver uses air accumulator, described gas storage
Pipeline between tank and the outlet of described second row is provided with control valve.
From the above mentioned, in analogue experiment installation dynamic simulation wellbore hole of the present utility model inject non-hydrocarbon gases and
The dynamic condition of steam, simulates under actual dynamic condition, due to the consumption of reaction, and the conditions such as system thermal is lost
The change that in the seal pot caused, objective condition occurs.The draining of seal pot is become with exhaust system design and can supervise
Survey, gageable processing system, by corresponding monitoring and calculating simulation, any point in accurate simulation pit shaft
Temperature, pressure, gas composition, these state parameters of mass dryness fraction.True under reduction down-hole flow regime as far as possible
Real response situation, mass dryness fraction can survey, and system note discharge capacity is controlled, more truly simulates subsurface environment, it is possible to checks and uses
In the mass dryness fraction tester of down-hole, design to provide for the mass dryness fraction tester in pit shaft and support.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating this utility model and explaining, not limit this utility model
Scope.Wherein:
Fig. 1: for the structural representation of this utility model analogue experiment installation.
Description of reference numerals:
1-gas compressor；
2-lower pressure tanks；
3-control valve；
4-booster pump；
5-high pressure gas holder；
6-water pot；
7-constant-flux pump；
8-steam generator；
9-seal pot；91-chamber；92-placing table；The wall of 93-three-decker
10-mass dryness fraction tester；
11-relief valve；
12-water tank；
13-air accumulator；
141-the first check-valves；142-the second check-valves；
151-first flow controller；152-second flow controller；
16-pressure probe；
17-temperature probe；
A-the first inlet；B-the second inlet；C-first row exports；D-second row exports.
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now compare accompanying drawing
Detailed description of the invention of the present utility model is described.
Embodiment one
As it is shown in figure 1, this utility model provides the simulation experiment of a kind of non-hydrocarbon gases and steam wellbore conditions
Device, described analogue experiment installation includes:
Seal pot 9, has the chamber 91 for simulation wellbore hole, described seal pot 9 sets in described seal pot 9
The the first inlet a connected with described chamber 91, the second inlet b, first row outlet c and second is had to discharge
Mouth d；Described seal pot 9 is provided with the heater to the heating of described chamber 91；It is provided with temperature in described chamber 91
Degree probe 17 and pressure probe 16；
Non-hydrocarbon gases injected system, described non-hydrocarbon gases injected system is by pipeline and described first inlet
A connects, for injecting non-hydrocarbon gases in described chamber 91；
Steam injected system, described steam injected system is connected with described second inlet b by pipeline, is used for
Steam is injected in described chamber 91；
Draining receptor, described draining receptor is connected with described first row outlet c by pipeline, is used for receiving
And measure the aqueous water that described seal pot 9 is discharged；
Exhaust receiver, described exhaust receiver is connected with described second row outlet d by pipeline, is used for receiving
And measure the mixed gas that described seal pot 9 is discharged.
This analogue experiment installation dynamic simulation wellbore hole injects non-hydrocarbon gases and the dynamic condition of steam, simulation
Under actual dynamic condition, due to the consumption of reaction, objective in the seal pot 9 that the conditions such as system thermal is lost cause
Conditional change.The draining of seal pot 9 is become can be monitored with exhaust system design, and gageable process is
System, by the note discharge capacity of control system, the accurately mixing situation of gas vapor, accurate simulation in adjustment seal pot 9
The temperature of any degree of depth in down-hole, pressure state parameter.
As a kind of detailed description of the invention of the present embodiment, described seal pot 9 is the cylindrical tank closed, tank
Internal chamber 91 is also cylindrical, and the internal diameter of chamber 91 is 30cm, and the height of chamber 91 is 60cm.Institute
State tank body and there is the wall 93 of three-decker, be i.e. followed successively by ground floor wall, second layer wall from the interior of tank body
With third layer wall.Described ground floor wall uses resistant material to make, and described second layer wall uses insulation material system
Becoming, described third layer wall uses explosion-proof metal shell, and explosion-proof metal shell is prior art.Described ground floor wall
And being provided with resistive heater between described second layer wall, described resistive heater constitutes described heater.Specifically
, the thickness of described ground floor wall, second layer wall and third layer wall is 5cm；Described ground floor wall uses nickel
Evanohm is made；Described second layer wall uses the asbestos material of heat-insulation and heat-preservation to make.Described second layer wall is with described
Being additionally provided with water-cooled coil pipe between third layer wall, described aqueous cold plate pipe, for lowering the temperature described third layer wall, is kept away
Non-ironing hinder staff.Water-cooled coil pipe can be integrated with the explosion-proof metal shell secure bond used, this knot
The water-cooling wall of structure is also prior art.Third layer wall has cooling and explosion-proof function simultaneously.
In order to prevent in chamber 91 after heating, the pressure of the mixed gas of injection is excessive and causes danger,
Described seal pot 9 is additionally provided with relief valve 11, and described relief valve 11 connects with described chamber 91, is used for limiting institute
State the pressure in chamber 91.When being embodied as, tank body is provided with an opening, connects one by this opening
Pipeline, this pipeline arranges described relief valve 11.This relief valve 11 is a pressure-control valve, when pressure reaches
To automatically opening up pressure release during setting value.
It is provided with the placing table 92 for placing determined instrument in described seal pot 9, checks mass dryness fraction test at needs
During the precision of instrument 10, being placed in this placing table 92 by the mass dryness fraction tester 10 checked, described temperature is visited
17, described pressure probe 16 is all located at the data display instrument outside described seal pot 9 by connection.
The mass dryness fraction tester 10 being placed in placing table 92 also connects and is positioned at the data presentation device outside seal pot 9, with
Just reading is carried out.
Cylindrical seal still 9 is vertically arranged, and during experiment, aqueous water is gathered in the bottom of cylindrical chamber 91, because of
This, described first row outlet c is positioned at the bottom of cylindrical chamber 91, in order to discharge downwards aqueous water.Institute
State second row outlet d and be positioned at the side, middle and upper part of cylindrical chamber 91, it is simple to discharge mixed gas.Described
One inlet a and described second inlet b is arranged on the side, top of cylindrical chamber 91.
Described non-hydrocarbon gases injected system includes gas compressor 1, the lower pressure tanks being sequentially connected with by pipeline
2, booster pump 4, high pressure gas holder 5 and first flow controller 151；These parts are prior art.Described
First flow controller 151 connects described first inlet a by pipeline；Described first flow controller 151
The pipeline being connected with described first inlet a is provided with the first check-valves 141；Described first check-valves 141 from
Described first flow controller 151 is to described first inlet a direction conducting.Described gas compressor 1 and institute
State and connected by pressure plastic tube between lower pressure tanks 2；Described lower pressure tanks 2, described booster pump 4, described
Connection between high pressure gas holder 5 and between described first flow controller 151, described first check-valves 141
The control valve 3 for controlling opening and closing it is equipped with on pipeline.The place that all parts is connected with pipeline all uses quickly
Joint, it is simple to dismounting.The low pressure non-hydrocarbon gases collected by gas compressor 1 is stored in lower pressure tanks 2,
It is forced into given simulated pressure via booster pump 4 again and stores in high pressure gas holder 5, by first flow controller 151
Quantitative non-hydrocarbon gases is injected seal pot 9.
Water pot 6 that described steam injected system includes being sequentially connected with by pipeline, constant-flux pump 7, steam generator 8
And second flow controller 152；These parts are prior art.Described second flow controller 152 passes through
Pipeline connects described second inlet b；Described second flow controller 152 is connected with described second inlet b
Pipeline be provided with the second check-valves 142；Described second check-valves 142 is from described second flow controller 152
To described second inlet b direction conducting.Described steam generator 8, described second flow controller 152 with
And between described second inlet b, use thermo-insulating pipe line to connect, to ensure that the temperature of steam does not reduces in conveying,
Isothermal holding can be carried out at the outer wrap asbestos of common pressure hard pipeline.Described water pot 6, described advection
Between pump 7, described steam generator 8 and described second flow controller 152, described second check-valves 142
Between connecting line on be equipped with the control valve 3 for controlling opening and closing.The place that all parts is connected with pipeline
All use snap joint, it is simple to dismounting.By constant-flux pump 7, the water in water pot 6 is delivered to steam generator 8,
It is processed as giving analog temperature, pressure, the saturated vapor of mass dryness fraction by water by steam generator 8, then by second
The water vapour of specified rate is injected seal pot 9 by amount controller 152.
Described draining receptor uses water tank 12, between described water tank 12 and described first row outlet c
Pipeline is provided with control valve 3.The amount of aqueous water therein is measured by the mass change measuring water tank 12.
Described exhaust receiver uses air accumulator 13, between described air accumulator 13 and described second row outlet d
Pipeline is provided with control valve 3.By air accumulator 13 is lowered the temperature, it is discharged to the mixing in this air accumulator 13
Steam in gas will condense formation aqueous water, then by the delivery line bottom air accumulator 13 by aqueous water
Derivation is measured, and measures non-hydrocarbons gas in the gaseous mixture of discharge according to the mass change of air accumulator 13 simultaneously
The amount of body.
Embodiment two
In order to accurately adjust the mixing situation of gas vapor in seal pot 9, the temperature of any degree of depth in accurate simulation down-hole,
Pressure state parameter, uses the experimental technique of this utility model analogue experiment installation, comprises the steps:
S11, start described non-hydrocarbon gases injected system and described steam injected system, in described chamber 91
Inject non-hydrocarbon gases and steam；The injection rate of control non-hydrocarbon gases and steam reaches in making described chamber 91
The pressure set, reaches the temperature set in making described chamber 91 by described heater；
S22, the amount of the aqueous water discharged from described seal pot 9 by the metering of described draining receptor；
S33, by described exhaust receiver metering amount of steam from the mixed gas that described seal pot 9 is discharged
And the amount of non-hydrocarbon gases；
S44, by described control valve 3 control from described seal pot 9 discharge mixed gas amount and from institute
State the amount of the aqueous water that seal pot 9 is discharged.
This experimental technique dynamic simulation wellbore hole injects non-hydrocarbon gases and the dynamic condition of steam, simulation reality
Under dynamic condition, due to the consumption of reaction, objective condition in the seal pot 9 that the conditions such as system thermal is lost cause
The change occurred.The temperature of any point, pressure, gas composition, these states of mass dryness fraction in accurate simulation pit shaft
Parameter.Actual response situation under reduction down-hole flow regime as far as possible, mass dryness fraction can survey, and system note discharge capacity is controlled,
More truly simulate subsurface environment.
As a kind of detailed description of the invention of the present embodiment, step S11 is injected the non-hydrocarbons of described chamber 91
The amount of gas is controlled by described first flow controller 151；The amount of the steam injecting described chamber 91 is led to
Cross described second flow controller 152 to control；Read by described temperature probe 17 and described pressure probe 16
Take the temperature value in described chamber 91 and force value.By weighing the quality of described water tank 12 in step S22
Change metering obtains the amount of the aqueous water discharged；In step S33, mixed gas after the cooling of described air accumulator 13
In steam be condensed into aqueous water and discharge weighs, metering obtains the amount of steam in the mixed gas discharged；
Then by weighing the amount of non-hydrocarbon gases in the mixed gas that the mass change metering of described air accumulator 13 is discharged.
Embodiment three
In order to check the precision of pit shaft mass dryness fraction tester 10, on the basis of the experimental technique of embodiment two, this reality
The experimental technique executing example also comprises the steps:
S10, before step S11, the placing table 92 in described seal pot 9 places mass dryness fraction to be checked
Tester 10；And this mass dryness fraction tester 10 is connected with outside data presentation device, in order to carry out reading.
S34, after step S33, be calculated the total of remaining aqueous water and steam in described seal pot 9
Amount is: WS=W1-W2-W3, wherein
WSFor the total amount of aqueous water remaining in seal pot 9 Yu steam, unit be mole (by material mass with
The ratio of molal weight i.e. can determine that mole, as follows)；
W1For being injected into the quantity of steam in seal pot 9, unit is mole；
W2The amount of the aqueous water of discharge for being obtained by water tank 12 metering, unit is mole；
W3The amount of the steam of discharge for being obtained by air accumulator 13 metering, unit is mole；
The amount of remaining non-hydrocarbon gases in described seal pot 9 that is calculated is: AS=A1-A2, wherein
ASFor the amount of non-hydrocarbon gases remaining in seal pot 9, unit is mole；
A1For being injected into the amount of the non-hydrocarbon gases in seal pot 9, unit is mole；
A2The amount of the non-hydrocarbon gases of discharge for being obtained by air accumulator 13 metering, unit is mole；
S35, by equationIt is calculated the vapor partial pressure power in described seal pot 9；
This formula is the relation equation of classical saturated vapour pressure and corresponding temperature, and so-called vapor partial pressure power is that steam exists
Partial pressure shared in whole gassy system (i.e. gaseous mixture), is remaining steam pressure in seal pot 9.
Wherein PXFor the vapor partial pressure power in seal pot 9, unit is Pa；
T1The temperature value recorded for temperature probe 17, unit is DEG C；
It is calculated the percentage ratio S of mixed gas shared by steam in described seal pot 9W=PX/P1, obtain close simultaneously
The percentage ratio S of mixed gas shared by non-hydrocarbon gases in envelope still 9A=1-SW, wherein
SWThe percentage ratio of mixed gas shared by steam in seal pot 9；
P1The force value recorded for pressure probe 16, unit is Pa；
SAThe percentage ratio of mixed gas shared by non-hydrocarbon gases in seal pot 9；
Then the mass dryness fraction of steam in seal pot 9 it is calculatedWherein
X is the mass dryness fraction value of steam in calculated seal pot 9；
S36, read mass dryness fraction value X measured by mass dryness fraction tester 10 to be checkedTest, with calculated mass dryness fraction
Value X compares, to check the precision of this mass dryness fraction tester 10.
Above-mentioned experimental technique is when implementing, and described non-hydrocarbon gases can use air, nitrogen or carbon dioxide gas
Body.
From the above mentioned, in analogue experiment installation dynamic simulation wellbore hole of the present utility model inject non-hydrocarbon gases and
The dynamic condition of steam, simulates under actual dynamic condition, due to the consumption of reaction, and the conditions such as system thermal is lost
The change that in the seal pot 9 caused, objective condition occurs.The draining of seal pot 9 being become with exhaust system design can
Monitoring, gageable processing system, by corresponding monitoring and calculating simulation, any one in accurate simulation pit shaft
The temperature of point, pressure, gas composition, these state parameters of mass dryness fraction.As far as possible under the flow regime of reduction down-hole
Actual response situation, mass dryness fraction can survey, and system note discharge capacity is controlled, more truly simulates subsurface environment, it is possible to check
For the mass dryness fraction tester 10 of down-hole, design to provide for the mass dryness fraction tester in pit shaft and support.
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to this utility model
Scope.Any those skilled in the art, institute on the premise of without departing from design of the present utility model and principle
The equivalent variations made and amendment, all should belong to the scope of this utility model protection.
Claims (12)
1. a non-hydrocarbon gases and the analogue experiment installation of steam wellbore conditions, it is characterised in that described mould
Draft experiment device includes:
Seal pot, has the chamber for simulation wellbore hole in described seal pot, described seal pot is provided with described
The outlet of first inlet of chamber, the second inlet, first row and second row outlet；Described seal pot sets
There is the heater that described chamber is heated；Temperature probe and pressure probe it is provided with in described chamber；
Non-hydrocarbon gases injected system, described non-hydrocarbon gases injected system is by pipeline and described first inlet
Connect, for injecting non-hydrocarbon gases in described chamber；
Steam injected system, described steam injected system is connected with described second inlet by pipeline, be used for
Steam is injected in described chamber；
Draining receptor, described draining receptor is connected with the outlet of described first row by pipeline, for receiving also
Measure the aqueous water that described seal pot is discharged；
Exhaust receiver, described exhaust receiver is connected with the outlet of described second row by pipeline, for receiving also
Measure the mixed gas that described seal pot is discharged.
2. non-hydrocarbon gases as claimed in claim 1 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, described seal pot is the tank body closed, and described tank body has the wall of three-decker, the most successively
For ground floor wall, second layer wall and third layer wall；Described ground floor wall uses resistant material to make, and described the
Two layers of wall use insulation material to make, and described third layer wall uses explosion-proof metal shell；Described ground floor wall and institute
Stating and be provided with resistive heater between second layer wall, described resistive heater constitutes described heater.
3. non-hydrocarbon gases as claimed in claim 2 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, described seal pot is cylindrical tank, described ground floor wall, second layer wall and the thickness of third layer wall
It is 5cm；Described ground floor wall uses nichrome to make；Described second layer wall uses asbestos to make.
4. non-hydrocarbon gases as claimed in claim 2 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, be additionally provided with water-cooled coil pipe between described second layer wall and described third layer wall, described aqueous cold plate pipe is used for
Described third layer wall is lowered the temperature.
5. non-hydrocarbon gases as claimed in claim 2 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, described seal pot is additionally provided with relief valve, described relief valve and described chamber, is used for limiting described
Pressure in chamber.
6. non-hydrocarbon gases as claimed in claim 2 and the analogue experiment installation of steam wellbore conditions, it is special
Levy and be, in described seal pot, be provided with the placing table for placing determined instrument, described temperature probe, described
Pressure probe is all located at the data display instrument outside described seal pot by connection.
7. non-hydrocarbon gases as claimed in claim 1 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, described non-hydrocarbon gases injected system includes gas compressor, the low pressure gas being sequentially connected with by pipeline
Tank, booster pump, high pressure gas holder and first flow controller；Described first flow controller connects institute by pipeline
State the first inlet；The pipeline that described first flow controller is connected with described first inlet is only provided with first
Return valve；Described first check-valves turns on to described first inlet direction from described first flow controller.
8. non-hydrocarbon gases as claimed in claim 7 and the analogue experiment installation of steam wellbore conditions, it is special
Levy and be, be connected by pressure plastic tube between described gas compressor with described lower pressure tanks；Described low pressure gas
Between tank, described booster pump, described high pressure gas holder and described first flow controller, described first check-valves
Between connecting line on be equipped with the control valve for controlling opening and closing.
9. non-hydrocarbon gases as claimed in claim 1 and the analogue experiment installation of steam wellbore conditions, it is special
Levy and be, water pot that described steam injected system includes being sequentially connected with by pipeline, constant-flux pump, steam generator
And second flow controller；Described second flow controller connects described second inlet by pipeline；Described
The pipeline that two flow controllers are connected with described second inlet is provided with the second check-valves；Described second check-valves
From described second flow controller to described second inlet direction conducting.
10. non-hydrocarbon gases as claimed in claim 9 and the analogue experiment installation of steam wellbore conditions, it is special
Levy and be, use between described steam generator, described second flow controller and described second inlet and protect
Temperature pipeline connects；Between described water pot, described constant-flux pump, described steam generator and described second flow control
It is equipped with the control valve for controlling opening and closing on connecting line between device processed, described second check-valves.
11. non-hydrocarbon gases as claimed in claim 1 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, described draining receptor uses water tank, the pipeline between described water tank and the outlet of described first row
It is provided with control valve.
12. non-hydrocarbon gases as claimed in claim 1 and the analogue experiment installation of steam wellbore conditions, it is special
Levying and be, described exhaust receiver uses air accumulator, the pipeline between described air accumulator and the outlet of described second row
It is provided with control valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620271946.6U CN205532541U (en) | 2016-04-05 | 2016-04-05 | Simulation experiment device of non - hydro carbons gas and steam pit shaft state |
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| CN201620271946.6U CN205532541U (en) | 2016-04-05 | 2016-04-05 | Simulation experiment device of non - hydro carbons gas and steam pit shaft state |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696991A (en) * | 2016-04-05 | 2016-06-22 | 中国石油天然气股份有限公司 | Nonhydrocarbon gas and steam shaft state simulating experiment device and experiment method |
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2016
- 2016-04-05 CN CN201620271946.6U patent/CN205532541U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696991A (en) * | 2016-04-05 | 2016-06-22 | 中国石油天然气股份有限公司 | Nonhydrocarbon gas and steam shaft state simulating experiment device and experiment method |
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