CN206192840U - Dual -purpose permeability testing arrangement of rock core gas -liquid - Google Patents

Dual -purpose permeability testing arrangement of rock core gas -liquid Download PDF

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Publication number
CN206192840U
CN206192840U CN201621258471.3U CN201621258471U CN206192840U CN 206192840 U CN206192840 U CN 206192840U CN 201621258471 U CN201621258471 U CN 201621258471U CN 206192840 U CN206192840 U CN 206192840U
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gas
port
triplate line
liquid
connects
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Inventor
吕帅锋
李�瑞
刘露露
肖宇航
董庆祥
袁铭
吕凯
谷媛媛
李俊阳
刘少杰
粟冬梅
刘盼盼
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China University of Geosciences
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China University of Geosciences
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Abstract

The utility model belongs to the technical field of oil gas indoor simulation experiment device of development and evaluation, concretely relates to dual -purpose permeability testing arrangement of rock core gas -liquid. The device includes at least: gas drive sampling device, it includes gas drive admit air module and gas drive feed liquor module, visual rock core holder, it includes entrance point, exit end, first cock body and second cock body, and with the gas flowmeter of the pipeline intercommunication of giving vent to anger. Through the utility model provides a technical scheme can the while testing rock core gas permeability and liquid flow permeability and under the contamination of working fluid permeability recovery degrees of rock core. The device emulative is strong, connect ingenious, simple structure, convenient operation, stability is high, and is sturdy and durable.

Description

Rock core gas liquid two purpose permeability test device
Technical field
The utility model belongs to oil and gas development simulating lab test device and assessment technique field, and in particular to a kind of rock core Gas liquid two purpose permeability test device.
Background technology
In developing of reservoirs, working solution (such as drilling fluid, completion fluid, fracturing fluid) can usually cause wound to reservoir Evil, causes the reduction of reservoir permeability, so as to influence the raising of oil and gas production.Simulation working solution to the pollution course of reservoir and Evaluating reservoir permeability extent of injury has certain directive significance and reference to oil-gas mining and reservoir protection.
Conventional testing rock core permeability experimental provision is substantially that measuring gas permebility device and liquid flowing permeability are surveyed Trial assembly is put, and often the two is two separate covering devices.For same rock core, it is necessary to be tested with two covering devices respectively, taking out During rock core is loaded, the inevitable damage of rock core and the change of experiment condition, the opposing party are on the one hand caused Face causes that experimental period and cost are greatly increased.The present apparatus can make same rock core measure gas infiltration respectively in the same apparatus Rate and Test Liquid Permeability of Core, and then evaluate the permeability injury and recovery extent of rock core.
Chinese patent application CN201110368838 discloses a kind of measuring device for gas permeability of coal rock core, mainly by High-pressure air source module, core holding unit module, ring pressure load-on module, data metering module, vacuum process module composition, by pin Type valve is connected, and the high-pressure air source module includes gas cylinder, pressure-reducing valve, buffer container;The core holding unit module is rock Heart clamp holder;The ring pressure load-on module is hand pump;The data metering module include precision pressure gauge and precision pressure gauge, Soap bubble flowmeter;The vacuum process module is vavuum pump.Although the device is easy to operate, measurement data is reproducible, experiment Error is small, low cost, it is adaptable to gas permeability of coal rock core and equivalent liquid permeability testing field, but can be only done rock A kind of heart gas permeability this measurement of core permeability.Chinese patent application 201610134362.9 discloses a kind of air water two Phase effective permeability accurately determines new equipment and method, and the device includes constant pressure source of the gas, water constant speed micro pump, pressure gauge, clamping Device cylinder, rock core, steel cylinder, rubber case, the gentle meter of water meter, the constant pressure source of the gas, pressure gauge, clamper cylinder, Rock core, rubber case, the gentle meter of water meter are sequentially connected.Although the invention additionally provides a kind of air water two-phase effectively permeating Rate accurately determines new method, although excludes test fluid gap between rock sample side surface and sealing shroud and is tied by test The interference that fruit is caused, more accurate to the flow measurement by core fluids, computing permeability result is more reliable, but it is mainly being carried In pinpoint accuracy, applicable surface still has limitation.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of rock core gas liquid two purpose permeability test device. Technical scheme provided by the utility model can simultaneously testing rock core gas permeability and liquid flowing permeability and The resume permeability degree of rock core under the contamination of working fluid.The device simulation is strong, connects ingenious, simple structure, easy to operate, surely Qualitative height, it is sturdy and durable.
Technical scheme provided by the utility model is as follows:
A kind of rock core gas liquid two purpose permeability test device, at least includes:
Gas drive sampling device, the gas drive sampling device includes gas drive air inlet module and gas drive feed liquor module;
Visual core holding unit, the visual core holding unit includes entrance point and the port of export, and the entrance point is provided with First cock body, first cock body is provided with admission line, and the port of export is provided with the second cock body, and second cock body is set There is outlet pipe, the gas drive air inlet module and the gas drive feed liquor module are respectively communicated with the admission line;
And the gas flowmeter connected with the outlet pipe.
Visual core holding unit has transparent housing, can observe that liquid flows through the phenomenon of rock core, intuitively reflects The contaminated process of rock core.
Specifically:
The gas drive air inlet module includes the first source of the gas, air accumulator and the first heater that are sequentially communicated, described first Heater connects the admission line;
The gas drive feed liquor module includes the second source of the gas, fluid reservoir and the secondary heating mechanism that are sequentially communicated, described second Heater connects the admission line.
Further, first source of the gas and second source of the gas are same gas source bottle;The first heater and institute Secondary heating mechanism is stated for same heater.Gas source bottle provides the gases such as nitrogen or methane, is adjusted according to experiment.
Further, it is provided with liquid-collecting bottle between the outlet pipe and the gas flowmeter;
The rear end of the gas flowmeter is provided with gas collection bottle, the gas collection bottle is respectively communicated with described visual Core holding unit and the air accumulator.
Further, the gas drive sampling device also includes the first triplate line, the second triplate line, the 3rd three-way pipe Road, the 4th triplate line, the 5th triplate line and the 6th triplate line, the air accumulator include air inlet and gas outlet, described Fluid reservoir includes inlet and liquid outlet, wherein:
The a port of first triplate line connects the gas source bottle, second end of first triplate line The live end of the mouth connection visual core holding unit, the 3rd port of first triplate line is respectively communicated with the air inlet Mouth and the inlet;
The a port of second triplate line connects the gas outlet, second end of second triplate line The a port of mouth connection the 3rd triplate line;
Second port of the 3rd triplate line connects the upper end of the fluid reservoir, and the of the 3rd triplate line Three ports connect a port of the 4th triplate line;
Second port of the 4th triplate line connects the liquid outlet, the 3rd end of the 4th triplate line The mouth connection heater, the heater connects the admission line of the visual core holding unit;
The a port of the 5th triplate line connects the outlet pipe of the visual core holding unit, the described 5th Second port of triplate line connects the liquid-collecting bottle, and the 3rd port of the 5th triplate line connects the gas stream Gauge;
The a port of the 6th triplate line connects the 3rd port of second triplate line, the described 6th Second port of triplate line connects the pressure side of unloading of the visual core holding unit, the 3rd end of the 6th triplate line The mouth connection gas collection bottle.
Further, second port of first triplate line is communicated with confined pressure control valve, the confined pressure control valve Connect the live end of the visual core holding unit;
3rd port of first triplate line is communicated with inlet-pressure force control valve, the inlet-pressure force control valve point The air inlet and the inlet are not connected;
3rd port of second triplate line is communicated with the first relief valve, the first relief valve connection described the The a port of six triplate lines;
Second port of the 6th triplate line is communicated with the second relief valve, and the second relief valve connection is described can Pressure side is unloaded depending on core holding unit.
Further, it is provided with the first air pressure between a port of the gas source bottle and first triplate line Table;
It is provided between the air accumulator and the inlet end in parallel and the inlet-pressure force control valve of the fluid reservoir Second air gauge;
The 3rd air gauge is provided between the live end of the confined pressure control valve and the visual core holding unit.
Further, it is provided with first switch between the gas source bottle and first air gauge;
Second switch is provided between the air accumulator and the inlet end in parallel and the air inlet of the fluid reservoir;
The 3rd switch is provided between the air accumulator and the inlet end in parallel and the inlet of the fluid reservoir;
The 4th switch is provided between a port of the gas outlet and second triplate line;
It is provided with the upper end for connecting the fluid reservoir and on second pipeline of port of the 3rd triplate line the Five switches;
The 6th switch is provided between second port of the liquid outlet and the 4th triplate line;
The 3rd in the 5th triplate line is provided with the 7th switch between port and the gas flowmeter;
The 8th switch is provided directly with second port of the 5th triplate line and the liquid-collecting bottle;
Set between the 3rd port of the 3rd triplate line and a port of the 4th triplate line There is the 9th switch.
It should be noted that being directed to above-mentioned each triplate line, for the ease of description, the port description of source of the gas side is will be close to Be a port, the port that will be far from source of the gas side is described as the 3rd port, by a port and the 3rd port it Between port be described as second port.
The utility model additionally provides a kind of reservoir damage evaluation method, comprises the following steps:
1) gas permeability is carried out to rock core with rock core gas liquid two purpose permeability test device provided by the utility model Measure, and calculate the gas permeability of rock core, be designated as K1
2) with the Liquid Penetrant of rock core gas liquid two purpose permeability test device testing rock core provided by the utility model The method of rate carries out pollution damage to rock core;
3) with rock core gas liquid two purpose permeability test device provided by the utility model to step 2) after pollution damage Rock core carries out the measure of gas permeability, and calculates the gas permeability of rock core, is designated as K2
4) K is calculated2/K1× 100%, obtain the resume permeability rate of rock core;Calculate (1-K2/K1) × 100%, is oozed Saturating rate injury rate.
Specifically, the assay method of the gas permeability of rock core is comprised the following steps:
1) each switch, confined pressure control valve, inlet-pressure force control valve and each relief valve are closed;
2) load rock core in visual core holding unit, fill in the first cock body and the second cock body is fixed to rock core;
3) first switch is opened, there is provided air pressure;
4) confined pressure control valve is adjusted, confined pressure is applied to rock core;
5) regulation inlet-pressure force control valve is opened second switch, the 4th switch, the 9th switch and the 7th and is opened to fixation pressure Close, allow experimental gas by rock core, regulation heater setting experimental temperature;
6) inlet pressure numerical value is read by second pressure table 5, and outlet pressure is atmospheric pressure, exit gas flow number by Gas flowmeter is read, and the length of rock core and sectional area measurement are obtained, public by the amendment darcy for being adapted to measuring gas permebility Formula calculates the gas permeability of rock core.
Specifically, the assay method of the Test Liquid Permeability of Core of rock core is comprised the following steps:
1) each switch, confined pressure control valve, inlet-pressure force control valve and each relief valve are closed;
2) testing liquid is loaded into fluid reservoir, rock core is loaded in visual core holding unit, fill in the first cock body and second Cock body is fixed to rock core;
3) first switch is opened, there is provided air pressure;
4) confined pressure control valve is adjusted, confined pressure is applied to rock core;
5) regulation inlet-pressure force control valve opens the 3rd switch, the 6th switch and the 8th switch to fixation pressure, allows gas Displacement prepare liquid is by rock core, regulation heater setting experimental temperature;
6) inlet pressure numerical value is read by second pressure table 5, and outlet pressure is atmospheric pressure, and liquid flow exit is by meter When and liquid-collecting bottle in liquid volume calculate obtain, the length of rock core and sectional area measurement are obtained, and are calculated by darcy flow formula Go out the Test Liquid Permeability of Core of rock core.
The Test Liquid Permeability of Core of above-mentioned reservoir damage evaluation method, the assay method of the gas permeability of rock core and rock core Assay method can be realized by rock core gas liquid two purpose permeability test device provided by the utility model.
Compare prior art, and the utility model has advantages below:
1st, the purpose of testing rock core gas permeability and Test Liquid Permeability of Core, operation letter can be realized under the conditions of same device It is single, save experimental period, it is to avoid two sets instruments separately test the rock core damage for causing.
2nd, core holding unit is visual in the present apparatus, can observe that liquid flows through the phenomenon of rock core, intuitively reflects rock core Contaminated process.
3rd, with heating constant-temperature equipment, test liquid under certain temperature conditions or gas permeability can be realized.
4th, experimental gas are nitrogen, can be emitted into air, if methane etc. to the unfriendly gas of environment, then can be led to Cross gas collector and collect experimental gas.
Brief description of the drawings
Fig. 1 is the structural representation of rock core gas liquid two purpose permeability test device provided by the utility model.
In accompanying drawing 1, the structure list representated by each label is as follows:
1st, gas source bottle, 2, first switch, the 3, first air gauge, 4, inlet-pressure force control valve, the 5, second air gauge, 6, second Switch, the 7, air accumulator, the 8, the 4th switch, the 9, the 3rd switch, 10, fluid reservoir, the 11, the 6th switch, 12, visual core holding unit, 13rd, the first cock body, the 14, second cock body, 15, rock core, 16, confined pressure control valve, the 17, first triplate line, the 18, the 3rd air gauge, 19th, the 7th switch, the 20, the 8th switch, 21, liquid-collecting bottle, 22, gas flowmeter, 23, gas collection bottle, 24, heater, 25, the One relief valve, the 26, the 5th switch, the 27, the 9th switch, the 28, second relief valve.
Specific embodiment
Principle of the present utility model and feature are described below, illustrated embodiment is served only for explaining the utility model, It is not intended to limit scope of the present utility model.
In a detailed embodiment, as shown in figure 1, a kind of rock core gas liquid two purpose permeability test device, including gas Drive sampling device, visual core holding unit 12, liquid-collecting bottle 21, gas flowmeter 22 and gas receiving flask 23.Visual rock core clamping Device 12 includes entrance point and the port of export, and entrance point is provided with the first cock body 13, and the first cock body 13 is provided with admission line, the port of export The second cock body 14 is provided with, the second cock body 14 is provided with outlet pipe.Rock core 15 is set in visual core holding unit 12.
Gas drive sampling device includes gas source bottle 1, first switch 2, the first air gauge 3, the first triplate line 17, inlet pressure Control valve 4, the second air gauge 5, second switch 6, the switch 9, fluid reservoir the 10, the 6th of the switch of air accumulator the 7, the 4th the 8, the 3rd are switched 11st, the second triplate line, the 3rd triplate line, the 4th triplate line, the switch 27 of the switch of heater the 24, the 5th 26 and the 9th.
Gas source bottle 1, first switch 2, the first air gauge 3, the first triplate line 17 and inlet-pressure force control valve 4 and set successively Put.Inlet-pressure force control valve 4 has been respectively communicated with the switch of second switch 6 and the 3rd 9.Second switch 6 connects air accumulator 7, air accumulator 7 The 4th switch 8 is connected, the 4th switch 8 connects a port of the second triplate line.
3rd switch 9 connects fluid reservoir 10, and the switch 11 of the connection of fluid reservoir 10 the 6th, the 6th switch 11 connects the 4th three-way pipe Second port on road.
In addition, the switch 26 of upper end connection the 5th of fluid reservoir 10, second of the 3rd triplate line of connection of the 5th switch 26 Port.
Second port, a port of the 3rd threeway, the 3rd port of the 3rd triple valve, of the second triple valve 3rd port, heater 24 and inlet pipeline of four triple valves are sequentially communicated.
Inlet pipeline connects a port of the 5th triplate line, second port connection the 8th of the 5th triplate line Switch 20, the 8th switch 20 connects liquid-collecting bottle 21.The switch 19 of 3rd port connection the 7th of the 5th triplate line, the 7th switch 19 connection gas flowmeters 22.The connection gas collection of gas flowmeter 22 bottle 23, gas collection bottle 23 connects the 6th triplate line The 3rd port.Second port of the 6th triplate line connects the second relief valve 28, and the second relief valve 28 connects visual rock The pressure relieving end of heart clamp holder 12.The a port of the 6th triplate line connects the first relief valve 25, and the first relief valve 25 is connected 3rd port of the second triplate line.3rd port of the 3rd triplate line and a port of the 4th triplate line it Between set the 9th switch 27.
First air gauge 3 is set between first switch and the first triplate line 17.The is set after inlet-pressure force control valve 4 Two air gauges 5.Second port connection confined pressure control valve 16 of the 17 of the first triplate line, confined pressure control valve 16 and visual rock core Setting, the 3rd air gauge 18 between the live end of clamper 12.
In said apparatus
Gas source bottle 1, can be the gases such as nitrogen or methane, depending on being needed according to experiment;
First switch 2, controls gas source switch;
First air gauge 3, shows bleed pressure;
Inlet-pressure force control valve 4, the pressure that control enters in air accumulator 7 and fluid reservoir 10;
Second air gauge 5, shows access into the pressure in air accumulator 7 and fluid reservoir 10;
Second switch 6, between inlet-pressure force control valve 4 and air accumulator 7 on pipeline, controls the pressure of air accumulator 7;
Air accumulator 7, the inside gas is the gas in source of the gas 1;
4th switch 8, between air accumulator 7 and the first cock body of clamper 13 on pipeline, control air accumulator gas Inlet pressure;
3rd switch 9, between inlet-pressure force control valve 4 and fluid reservoir 10 on pipeline, controls the pressure of fluid reservoir 10 Power;
Fluid reservoir 10, built-in experiment prepare liquid, such as clear water, drilling fluid etc.;
6th switch 11, between air accumulator 10 and the first cock body of clamper 13 on pipeline, controls fluid reservoir gas Inlet pressure;
Visual core holding unit 12, clamper is made up of outer rigid housing and inner balloon, can be by controlling confined pressure valve 16 The confined space for making gas enter between outer rigid housing and air bag, so as to apply confined pressure to clamp rock core, this clamper is transparent Material is made;
First cock body 13 and the second cock body 14, the first cock body 13 and the second cock body can be inserted respectively at the two ends of clamper 12 Enter clamper so as to fixed rock core;
Rock core 15, is natural core or artificial core in clamper;
Confined pressure control valve 16, rock core circumferential pressure is adjusted by adjusting confined pressure control valve;
First triplate line 17, is connected, by source of the gas steel with source of the gas steel cylinder 1, the fluid reservoir 10 of air accumulator 7/, clamper 12 respectively Bottle provides gas, and output pressure size is adjusted by inlet-pressure force control valve 4 and confined pressure control valve 18;
3rd air gauge 18, shows rock core confined pressure size;
7th switch 19, on the pipeline between the second cock body 14 and gas flowmeter 22;
8th switch 20, on the second cock body drain pipe road, control liquid outflow;
Liquid-collecting bottle 21, collects the liquid of outflow, can read liquid volume;
Gas flowmeter 22, it is readable go out gas by when flow;
Gas collector 23, can be by from the gas collection in gas and air accumulator that gas flowmeter passes through;
Heater 24, is the gas/liquid heating into clamper on the pipeline of the first cock body of connection, can be shown Temperature value;
First relief valve 25, for releasing air accumulator 7 and fluid reservoir 10 in pressure;
5th switch 26, on the pipeline of the connection tank mouth of fluid reservoir 10 and the first cock body;
9th switch fills 27 on the pipeline of connecting valve 26 and switch 11;
Second relief valve 28, for releasing clamper confined pressure.
To be metal tubes connection between upper-part.
Embodiment
Measuring gas permebility method and steps:
1 experiment ensures that all switches, control valve and relief valve are closed before starting.
2 load rock core in visual core holding unit 12, and the first cock body 13 of insertion and the second cock body 14 fix it.
3 open first switch 2, there is provided air pressure.
4 regulation confined pressure control valves 16, certain confined pressure is applied to rock core.
5 regulation inlet-pressure force control valves 4 open the switch the 8, the 9th of air accumulator switch the 6, the 4th and switch 27 and to fixation pressure 7th switch 19, allows experimental gas to pass through rock core.The regulation setting experimental temperature of heater 24.
6 inlet pressure numerical value are read by the second air gauge 5, and exit gas flow number is read by gas flowmeter 22, Outlet pressure is atmospheric pressure, and the length and sectional area of rock core can be surveyed, so as to calculate rock core by Darcy's law correction formula Gas permeability.
After 7 experiments are finished, first switch 2, the switch 27, inlet pressure control of the switch of second switch the 6, the 7th the 19, the 9th are closed Valve processed 4 and confined pressure control valve 16.The gas in the discharge air accumulator 7 of relief valve 25 is opened, the 4th is closed afterwards and is switched 8 and relief valve 25, open the confined pressure that relief valve 28 is released on clamper 12.
Test Liquid Permeability of Core method of testing and step:
1 experiment ensures that all switches, control valve and relief valve are closed before starting.
Testing liquid is loaded fluid reservoir 10 by 2;Load rock core in visual core holding unit 12, insert the He of the first cock body 13 Second cock body 14 fixes it.
3 open first switch 2, there is provided air pressure.
4 regulation confined pressure control valves 16, certain confined pressure is applied to rock core.
5 regulation inlet-pressure force control valves 4 open the switch 11 of the switch of storage the 3rd the 9, the 6th and the 8th switch to fixation pressure 20, allow gas displacement prepare liquid to pass through rock core.The regulation setting experimental temperature of heater 24.
6 inlet pressure numerical value are read by the second air gauge 5, and liquid flow exit is by liquid in timing and liquid-collecting bottle 21 Volume is calculated, and outlet pressure is atmospheric pressure, and the length and sectional area of rock core can be surveyed, so as to be calculated by darcy flow formula Go out the Test Liquid Permeability of Core of rock core.
After 7 experiments are finished, the switch 11 of the switch of first switch the 2, the 3rd the 9, the 6th, switch 20, inlet-pressure force control valve 4 are closed With confined pressure control valve 16.The gas that the switch of relief valve 25 and the 5th 26 is discharged in fluid reservoir 10 is opened, closing the 5th afterwards switchs 26 and relief valve 25, open the confined pressure that relief valve 28 is laid down in clamper 12.Finally remaining testing liquid in fluid reservoir is poured out.
Core permeability damage experiment:
The 1 gas permeability K1 for measuring rock core.
2 carry out pollution damage with prepare liquid by the method for testing rock core Test Liquid Permeability of Core to rock core.
The 3 gas permeability K2 for measuring rock core again.
The resume permeability rate of 4 rock cores is K2/K1× 100%, permeability injury rate is (1-K2/K1) × 100%.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (8)

1. a kind of rock core gas liquid two purpose permeability test device, it is characterised in that at least include:
Gas drive sampling device, the gas drive sampling device includes gas drive air inlet module and gas drive feed liquor module;
Visual core holding unit (12), the visual core holding unit (12) includes entrance point and the port of export, and the entrance point sets The first cock body (13) is equipped with, first cock body (13) is provided with admission line, and the port of export is provided with the second cock body (14), Second cock body (14) is provided with outlet pipe, and the gas drive air inlet module and the gas drive feed liquor module are respectively communicated with described Admission line;
And the gas flowmeter (22) connected with the outlet pipe.
2. rock core gas liquid two purpose permeability test device according to claim 1, it is characterised in that:
The gas drive air inlet module includes the first source of the gas, air accumulator (7) and the first heater that are sequentially communicated, and described first adds Thermal connects the admission line;
The gas drive feed liquor module includes the second source of the gas, fluid reservoir (10) and the secondary heating mechanism that are sequentially communicated, described second Heater connects the admission line.
3. rock core gas liquid two purpose permeability test device according to claim 2, it is characterised in that:First source of the gas with Second source of the gas is same gas source bottle (1);The first heater is same heater with the secondary heating mechanism (24)。
4. rock core gas liquid two purpose permeability test device according to claim 3, it is characterised in that:
Liquid-collecting bottle (21) is provided between the outlet pipe and the gas flowmeter (22);
The gas flowmeter (22) also connects with gas collection bottle (23), and gas collection bottle (23) is also respectively communicated with described Visual core holding unit (12) and the air accumulator (7).
5. rock core gas liquid two purpose permeability test device according to claim 4, it is characterised in that:The gas drive sample introduction dress Putting also includes the first triplate line (17), the second triplate line, the 3rd triplate line, the 4th triplate line, the 5th triplate line With the 6th triplate line, the air accumulator (7) includes air inlet and gas outlet, and the fluid reservoir (10) is including inlet and goes out liquid Mouthful, wherein:
The a port of first triplate line (17) connects the gas source bottle (1), first triplate line (17) Second port connects the live end of the visual core holding unit (12), the 3rd port of first triplate line (17) It is respectively communicated with the air inlet and the inlet;
The a port of second triplate line connects the gas outlet, and second port of second triplate line connects Lead to a port of the 3rd triplate line;
Second port of the 3rd triplate line connects the upper end of the fluid reservoir (10), and the of the 3rd triplate line Three ports connect a port of the 4th triplate line;
Second port of the 4th triplate line connects the liquid outlet, and the 3rd port of the 4th triplate line connects Lead to the heater (24), the heater (24) connects the admission line of the visual core holding unit (12);
The a port of the 5th triplate line connects the outlet pipe of the visual core holding unit (12), the described 5th Second port of triplate line connects the liquid-collecting bottle (21), and the 3rd port of the 5th triplate line connects the gas Flowmeter body (22);
The a port of the 6th triplate line connects the 3rd port of second triplate line, the 6th threeway Second port of pipeline connects the pressure side of unloading of the visual core holding unit (12), the 3rd end of the 6th triplate line Mouth connection gas collection bottle (23).
6. rock core gas liquid two purpose permeability test device according to claim 5, it is characterised in that:
Second port of first triplate line (17) is communicated with confined pressure control valve (16), and the confined pressure control valve (16) is even Lead to the live end of the visual core holding unit (12);
3rd port of first triplate line (17) is communicated with inlet-pressure force control valve (4), the inlet pressure control Valve (4) is respectively communicated with the air inlet and the inlet;
3rd port of second triplate line is communicated with the first relief valve (25), and first relief valve (25) connects institute State a port of the 6th triplate line;
Second port of the 6th triplate line is communicated with the second relief valve (28), and second relief valve (28) connects institute That states visual core holding unit (12) unloads pressure side.
7. rock core gas liquid two purpose permeability test device according to claim 6, it is characterised in that:
The first air gauge (3) is provided between a port of the gas source bottle (1) and first triplate line (17);
Between the inlet end in parallel of the air accumulator (7) and the fluid reservoir (10) and the inlet-pressure force control valve (4) It is provided with the second air gauge (5);
The 3rd air gauge is provided between the live end of the confined pressure control valve (16) and the visual core holding unit (12) (18)。
8. rock core gas liquid two purpose permeability test device according to claim 7, it is characterised in that:
First switch (2) is provided between the gas source bottle (1) and first air gauge (3);
Second is provided between the air accumulator (7) and the inlet end in parallel and the air inlet of the fluid reservoir (10) to open Close (6);
The 3rd is provided between the air accumulator (7) and the inlet end in parallel and the inlet of the fluid reservoir (10) to open Close (9);
The 4th switch (8) is provided between a port of the gas outlet and second triplate line;
It is provided with the upper end for connecting the fluid reservoir (10) and on second pipeline of port of the 3rd triplate line the Five switches (26);
The 6th switch (11) is provided between second port of the liquid outlet and the 4th triplate line;
The 7th switch (19) is provided between the 3rd port of the 5th triplate line and the gas flowmeter (22);
The 8th switch (20) is provided directly with second port of the 5th triplate line and the liquid-collecting bottle (21);
Is provided between the 3rd port of the 3rd triplate line and a port of the 4th triplate line Nine switches (27).
CN201621258471.3U 2016-11-23 2016-11-23 Dual -purpose permeability testing arrangement of rock core gas -liquid Active CN206192840U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108106970A (en) * 2017-12-15 2018-06-01 中国石油大学(北京) Visual heat resisting and pressure resisting device, gas-liquid interface mass transfer dissolving measuring device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108106970A (en) * 2017-12-15 2018-06-01 中国石油大学(北京) Visual heat resisting and pressure resisting device, gas-liquid interface mass transfer dissolving measuring device and method
CN108106970B (en) * 2017-12-15 2019-09-24 中国石油大学(北京) Visual heat resisting and pressure resisting device, gas-liquid interface mass transfer dissolution measuring device and method

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