CN108761046A - A kind of rock-fluid reciprocation experimental system for simulating - Google Patents
A kind of rock-fluid reciprocation experimental system for simulating Download PDFInfo
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- 239000012530 fluid Substances 0.000 title claims abstract description 57
- 239000011435 rock Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000004088 simulation Methods 0.000 abstract description 22
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 52
- 238000002474 experimental method Methods 0.000 description 48
- 239000007789 gas Substances 0.000 description 28
- 229920006395 saturated elastomer Polymers 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000007373 indentation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000006101 laboratory sample Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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Abstract
The invention discloses a kind of rock-fluid reciprocation experimental system for simulating, it includes core chamber, solution disengaging manifold, gas disengaging manifold and vacuumizes manifold, and core chamber includes tank body（6）, be set to tank body（6）Lid（23）, be positioned over lid（23）Multiple weight sensing instruments at top（10）, solution disengaging manifold includes feed liquor pipeline and outlet tube line, and it includes admission line and outlet line that gas, which passes in and out manifold, and it includes vacuum pump connected in sequence to vacuumize manifold（9）, hand-operated valve B（19）, vacuum meter（18）With hand-operated valve C（20）, hand-operated valve C（20）The other end run through lid（23）And it is inserted into tank body（6）It is interior.The beneficial effects of the invention are as follows：Rock self-priming, negative pressure saturation, positive pressure saturation, two-phase saturation, the multiple saturation simulation of different fluid can be carried out.
Description
Technical field
The present invention relates to the experiments of the related fields laboratory core assay such as petroleum gas engineering, Geological Engineering, especially
It is a kind of rock-fluid reciprocation experimental system for simulating.
Background technology
It buries in oil and gas exploitation, stratum water quality eyaluation, nuke rubbish, CO2 Geological storages and geological disaster
In numerous Geological Engineerings such as prediction, in order to analyze rock-fluid interaction Laws, need to carry out rock-fluid friendship indoors
Interaction Simulation experimental study, to obtain physics, mechanics, chemical property and its changing rule of the rock under different conditions,
Guidance and help is provided for related Geological Engineering.
Rock-fluid reciprocation simulation experiment study is Geological Engineering related field most critical, most basic research
One, at present about rock-fluid reciprocation simulated experiment be mainly rock core vacuumizing pressurize saturation experiments, experimental facilities only by
Sealed shell of tank, vacuum pump, pressure gauge, brine tank with sealing upper cover and pipeline valve composition, during the experiment can only be right
Entirely rock core carries out the single-phase saturation of single, a set of experimental system development rock self-priming, negative pressure saturation, positive pressure can not be used to be saturated,
Rock-fluid reciprocation simulated experiment that two-phase is saturated and different fluid is repeatedly saturated, does not have systemic experimental study
Function brings certain limitation to indoor rock-fluid reciprocation simulation experiment study.
Invention content
It is an object of the invention to overcome the prior art, provide it is a kind of it is compact-sized, can carry out rock self-priming,
Rock-fluid reciprocation simulated experiment system of negative pressure saturation, positive pressure saturation, two-phase saturation, the multiple saturation simulation of different fluid
System.
The purpose of the present invention is achieved through the following technical solutions：A kind of rock-fluid reciprocation experimental system for simulating,
It includes core chamber, solution disengaging manifold, gas disengaging manifold and vacuumizes manifold, and the core chamber includes tank body, is set to
The lid of tank body, the multiple weight sensing instruments being positioned at the top of lid are provided with heating instrument, the outside of tank body on the inner wall of the tank body
The thermometer for measuring tank body temperature is provided on wall, the output port of thermometer and the input port of heating instrument are through signal
Line connects, and the bottom of the weight sensing instrument is installed with filament, and filament is downward through lid and is inserted into tank body, and the bottom of filament is outstanding
Hang with rock core；
Solution disengaging manifold includes feed liquor pipeline and outlet tube line, the feed liquor pipeline include air pump, hand-operated valve A,
Closed solution tank and liquid feed valve are provided with graduated scale on the side wall of closed solution tank, hand are connected at the gas outlet of air pump
The end of dynamic valve A, hand-operated valve A are inserted into from top to bottom in closed solution tank, and one end of liquid feed valve through lid and is stretched from upper
Enter in tank body, the other end of liquid feed valve is inserted into from top to bottom in closed solution tank, and the outlet tube line includes sequentially connecting
The other end of the pressure gauge A and liquid valve connect, pressure gauge A are through lid and are inserted into tank body；
The gas disengaging manifold includes admission line and outlet line, and the admission line includes gas connected in sequence
The other end of bottle, booster pump and intake valve, intake valve through lid and is inserted into tank body, and the outlet line includes sequentially connecting
The other end of the pressure gauge B and air outlet valve connect, pressure gauge B are through lid and are inserted into tank body；
The manifold that vacuumizes includes vacuum pump, hand-operated valve B, vacuum meter and hand-operated valve C connected in sequence, hand-operated valve C's
The other end is through lid and is inserted into tank body.
The other end of the liquid feed valve is connected with tap A, and the end of tap A is inserted into closed from top to bottom
In solution tank.
Tap B is provided between the intake valve and booster pump.
The present invention has the following advantages：The present invention controls rock core soaking depth, can be carried out certainly using a set of experimental system
It inhales, rock-fluid reciprocation simulated experiment that negative pressure saturation, positive pressure are saturated, two-phase saturation and different fluid are repeatedly saturated.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
In figure, 1- gas cylinders, 2- booster pumps, 3- air outlet valves, 4- intake valves, 5- pressure gauges B, 6- tank body, 7- heating instruments, 8- temperature
Degree meter, 9- vacuum pumps, 10- weight sensing instruments, 11- liquid feed valves, 12- liquid valves, the closed solution tanks of 13- taps A, 14-, 15-
Rock core, 16- hand-operated valves A, 17- air pump, 18- vacuum meters, 19- hand-operated valves B, 20- hand-operated valve C, 21- filament, 22- tap B,
23- lids, 24- pressure gauges A.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below：
As shown in Figure 1, a kind of rock-fluid reciprocation experimental system for simulating, it includes core chamber, solution inlet/outlet pipe
Remittance, gas pass in and out manifold and vacuumize manifold, and the core chamber includes tank body 6, is set to the lid 23 of tank body 6, is positioned over lid
Multiple weight sensing instruments 10 at the top of body 23 are provided with heating instrument 7 on the inner wall of the tank body 6, are arranged on the lateral wall of tank body 6 useful
In the thermometer 8 for measuring temperature in tank body 6, the output port of thermometer 8 is connect with the input port of heating instrument 7 through signal wire,
The bottom of the weight sensing instrument 10 is installed with filament 21, and filament 21 is downward through lid 23 and is inserted into tank body 6, the bottom of filament 21
Portion is hung with rock core 15.
As shown in Figure 1, the solution disengaging manifold includes feed liquor pipeline and outlet tube line, the feed liquor pipeline includes air pump
17, hand-operated valve A16, closed solution tank 14 and liquid feed valve 11 are provided with graduated scale, air pump on the side wall of closed solution tank 14
Hand-operated valve A16 is connected at 17 gas outlet, the end of hand-operated valve A16 is inserted into from top to bottom in closed solution tank 14, into
From upper through lid 23 and being inserted into tank body 6, the other end of liquid feed valve 11 is inserted into closing from top to bottom for one end of liquid valve 11
In formula solution tank 14, the outlet tube line includes pressure gauge A24 and liquid valve 12 connected in sequence, the other end of pressure gauge A24
Through lid 23 and it is inserted into tank body 6.
As shown in Figure 1, the gas disengaging manifold includes admission line and outlet line, the admission line includes sequentially
Gas cylinder 1, booster pump 2 and the intake valve 4 of connection, the other end of intake valve 4 is through lid 23 and is inserted into tank body 6, it is described go out
Gas pipeline includes pressure gauge B5 and air outlet valve 3 connected in sequence, and the other end of pressure gauge B5 through lid 23 and is inserted into tank body 6
It is interior.
As shown in Figure 1, the manifold that vacuumizes includes vacuum pump 9, hand-operated valve B19, vacuum meter 18 and hand connected in sequence
The other end of dynamic valve C20, hand-operated valve C20 through lid 23 and are inserted into tank body 6.The other end of the liquid feed valve 11 is connected with
The end of tap A13, tap A13 are inserted into from top to bottom in closed solution tank 14.The intake valve 4 and supercharging
It is provided with tap B22 between pump 2.
The experimental system simulation rock-interactive the method for fluid, it includes the following steps：
The preparation of S1, experiment material：The filling solution into closed solution tank 14, solution are the simulated formation manually prepared
Water；Prepare the gas cylinder 1 for experiment, the type of filling gas can voluntarily be determined according to the experimental program of design in gas cylinder 1, gas
Type is methane, carbon dioxide or nitrogen；Natural core or artificial core；
S2, experiment piping connection：Before experiment, core chamber, solution disengaging manifold, gas disengaging manifold and vacuum-pumping tube are checked
Whether gas cylinder 1 confirm all valves close after, is placed on suitable position all in closed state by all valves in remittance
Afterwards, it is exported and is connected with the arrival end of booster pump 2；
S3, following any one or more experiment is simulated using the experimental system：
Rock-positive fluid pressure saturation reciprocation experiment；
Rock-fluid negative-pressure saturation reciprocation experiment；
Rock-fluid two-phase saturation reciprocation experiment；
Rock-fluid self-priming reciprocation experiment；
The rock that different fluid is repeatedly saturated-fluid reciprocation experiment；
The rock-positive fluid pressure saturation reciprocation experiment, including following sub-step：
S41, rock core 15 is hung in tank body 6, and sealing cover body 23；
S42, the dosage for determining solution；
S43, the solution in closed solution tank 14 is pressed into tank body 6, is then turned off solution disengaging manifold and vacuumized
Valve on manifold；
S44, it determines the need for heating up to tank body 6 according to requirement of experiment, opens heating instrument 7 if necessary, wait for
Temperature closes air outlet valve 3 after stablizing, and opens intake valve 4, and the air source in gas cylinder 1 is connected with booster pump 2；
S45, open gas cylinder 1, adjust booster pump 2, so that the pressure in tank body 6 is reached experiment setting value, wait for pressure stability it
Afterwards, intake valve 4 is closed；
After S46, experimental period reach, opens intake valve 4 and adjust booster pump 2 to reduce pressure in tank body 6, close heating
Air pump 17 is then connected to 3 interface of air outlet valve by instrument 7, opens air pump 17 to arrange the solution in tank body 6 from liquid valve 12
Go out；
S47, lid 23 on tank body 6, and removal of core are disassembled, terminates experiment.
Simulation rock-positive fluid pressure is saturated the specific implementation step that reciprocation is tested：
S41, it selects the standard rock core of 2 radiuses × a height of 25mm × 50mm as laboratory sample, opens the lid of tank body 6
23 and 2 rock cores 15 are suspended in tank body 6, radius × a height of 100mm × 200mm of tank body 6,15 height of adjustment rock core makes
Relative altitude H of 15 bottom surface of rock core away from 6 bottom surface of tank body is 50mm, and 15 soaking depth h of adjustment rock core is 30mm, and rock core 15 has been hung
After finishing, lid 23 is sealed in 6 top of tank body；
S42, the dosage V for determining solution:
V=π R2(h+H)-nπr2h-----------------------------------------(1)
In formula：R is tank body radius, mm；R is rock core radius, mm；N is rock core number；
The concrete numerical value of H, h, n, r are substituted into formula 1 and obtained：
π × 100 V=2(30+50)-2×π×12.52× 30=2483.8cm3；
S43, air outlet valve 3, liquid feed valve 11, hand-operated valve A16 and air pump 17 are opened, air pump 17 adds closed solution tank 14
Pressure in the solution indentation tank body 6 in closed solution tank 14, while observing scale, when reading the solution body in indentation tank body 6
Product V is 2483.8cm3When close liquid feed valve 11 and air pump 17 immediately；
S44, heating instrument 7 is opened, so that temperature in tank body 6 is increased, after raising the temperature to 40 DEG C of set temperature, passes through temperature
Meter 8 judges whether the temperature in tank body 6 is 40 DEG C invariable；
S45, air outlet valve 3 is closed after temperature stabilization, and opens intake valve 4；
S46, open gas cylinder 1 simultaneously adjust booster pump 2, the gas in gas cylinder 1 under the pressurization of booster pump 2 through intake valve 4 into
Enter in tank body 6, the pressure in tank body 6 is made to reach experiment setting value 10Mpa, whether the pressure on observation pressure gauge B5 is constant not
Become, after waiting for pressure stability, close intake valve 4, from be set as at this time test the time started；
S47, the rock-positive fluid pressure saturation reciprocation simulated experiment time is set to 10 hours, in experimentation, often
Interval 30min records the weight of a rock core from weight sensing instrument 10；
S48, after experimental period reaches, open intake valve 4, then by booster pump 2 reduce tank body 6 in pressure, wait pressing
After power drops to normal pressure, air outlet valve 3 and liquid valve 12 are opened, and closes intake valve 4 and closes heating instrument 7, then by air pump 17
It is connected to 3 interface of air outlet valve, opens air pump 17, the solution in tank body 6 is discharged to from liquid valve 12 outside tank body 6 by air pump 17
Portion；
S49, after tank body 6 is cooled to room temperature, open 23 removal of core 15 of lid, and close all valves；
S40, to the solution that is discharged from liquid valve 12 into row element and constituent analysis；Porosity, infiltration are carried out to rock core
The analyses such as rate, saturation degree, mechanical property.
The rock-fluid negative-pressure saturation reciprocation experiment, including following sub-step：
S51, rock core 15 is hung in tank body 6, and sealing cover body 23；
S52, the dosage for determining solution；
S53, solution is pressed into tank body 6, the valve being then turned off on solution disengaging manifold；
S54, it determines the need for heating up to tank body 6 according to requirement of experiment, opens heating instrument 7 if necessary with right
Solution is heated in tank body 6；
S55, judge whether temperature is stablized in tank body 6 by thermometer 8, temperature closes intake valve 4 and air outlet valve after stablizing
3；
S56, start vacuum pump 9, and open hand-operated valve B19 and hand-operated valve C20, vacuum pump 9 to 6 non-filling liquid part of tank body into
Row vacuum pumping closes hand-operated valve B19 after pressure value reaches the negative pressure value of setting on vacuum meter 18；
S57, after experimental period reaches, close vacuum pump 9, open air outlet valve 3 restore tank body 6 in pressure, simultaneously close off
Air pump 17 is then connected to 3 interface of air outlet valve by heating instrument 7, opens air pump 17, and air pump 17 is by the solution in tank body 6 from going out
It is discharged at liquid valve 12, disassembles the lid 23 on tank body 6, and removal of core, terminate experiment.
Simulation rock-fluid negative-pressure is saturated the specific implementation step that reciprocation is tested：
S51, it selects the standard rock core of 2 radiuses × a height of 25mm × 50mm as laboratory sample, opens the lid of tank body 6
23 and 2 rock cores 15 are suspended in tank body 6, radius × a height of 100mm × 200mm of tank body 6,15 height of adjustment rock core makes
Relative altitude H of 15 bottom surface of rock core away from 6 bottom surface of tank body is 50mm, and 15 soaking depth h of adjustment rock core is 30mm, and rock core 15 has been hung
After finishing, lid 23 is sealed in 6 top of tank body；
S52, the dosage V for determining solution:
V=π R2(h+H)-nπr2h------------------------------------------(2)
In formula：R is tank body radius, mm；R is rock core radius, mm；N is rock core number；
The concrete numerical value of H, h, n, r are substituted into formula 2 and obtained：
π × 100 V=2(30+50)-2×π×12.52× 30=2483.8cm3；
S53, air outlet valve 3, liquid feed valve 11, hand-operated valve A16 and air pump 17 are opened, air pump 17 adds closed solution tank 14
Pressure in the solution indentation tank body 6 in closed solution tank 14, while observing scale, when reading the solution body in indentation tank body 6
Product V is 2483.8cm3When close liquid feed valve 11 and air pump 17 immediately；
S54, heating instrument 7 is opened, so that temperature in tank body 6 is increased, after raising the temperature to 50 DEG C of set temperature, passes through temperature
Meter 8 judges whether the temperature in tank body 6 is 50 DEG C invariable；
S55, after temperature stabilization after, close air outlet valve 3 simultaneously open intake valve 4；
S56, hand-operated valve B19 and hand-operated valve C20 is opened, starts vacuum pump 9, non-filling liquid part in tank body 6 take out true
Do-nothing operation closes hand-operated valve B19 after pressure value reaches 5000Pa, and tests the time started from setting at this time；
S57, the rock-fluid negative-pressure saturation reciprocation simulated experiment time is set to 5 hours, in experimentation, often
Interval 20min records the weight of a rock core from weight sensing instrument 10；
After S58, experimental period reach, close vacuum pump 9 and heating instrument 7, open liquid valve 12, and open air outlet valve 3 with
Restore pressure in tank body 6, air pump 17 is then connected to 3 interface of air outlet valve, opens air pump 17, air pump 17 will be in tank body 6
Solution is discharged from liquid valve 12；
S59, after tank body 6 is cooled to room temperature, open 23 removal of core 15 of lid, and close all valves；
S50, to the solution that is discharged from liquid valve 12 into row element and constituent analysis；Porosity, infiltration are carried out to rock core
The analyses such as rate, saturation degree, mechanical property.
The rock-fluid two-phase saturation reciprocation experiment, including following sub-step：
S61, rock core 15 is hung in tank body 6, and sealing cover body 23；
S62, solution is pressed into tank body 6 until solution is full of tank body 6, closing solution passes in and out manifold and vacuumizes after being full of
Valve on manifold；
S63, it determines the need for heating up to tank body 6 according to requirement of experiment, opens heating instrument 7 if necessary；
S64, judge whether temperature is stablized in tank body 6 by thermometer 8, intake valve 4 is opened after temperature stabilization, by gas cylinder
Air source in 1 is connected with booster pump 2；
S65, booster pump 2 is adjusted, makes to enter original solution in the gas and tank body 6 in tank body 6 and mix, and makes tank
Pressure in body 6 reaches experiment setting value, closing intake valve 4 after pressure stabilisation；
S66, after experimental period reaches, open liquid valve 12 and air outlet valve 3 to reduce pressure in tank body 6, simultaneously close off
Air pump 17 is then connected to 3 interface of air outlet valve by heating instrument, opens air pump 17, and air pump 17 is by the solution in tank body 6 from going out liquid
It is discharged at valve 12；
S67, lid 23 on tank body 6, and removal of core are disassembled, terminates experiment；
Simulation rock-fluid two-phase is saturated the specific experiment step that reciprocation is tested：
S61, step S41~S45 is repeated；
S62, open gas cylinder 1 simultaneously adjust booster pump 2, the gas in gas cylinder 1 under the pressurization of booster pump 2 through intake valve 4 into
Enter in tank body 6, the solution in gas and tank body 6 is made to mix, and ensure that the pressure in tank body 6 reaches 6MPa, observes pressure gauge
Whether the pressure on B5 invariable, after waiting for pressure stability, close intake valve 4, from be set as at this time test the time started；
S63, the rock-fluid two-phase saturation reciprocation simulated experiment time is set to 5 hours, in experimentation, often
Interval 20min records a rock core weight from weight sensing instrument 10；
After S64, experimental period reach, liquid valve 12 and air outlet valve 3 are opened to reduce pressure in tank body 6, closes heating instrument
7, air pump 17 is then connected to 3 interface of air outlet valve, opens air pump 17, air pump 17 is by the solution in tank body 6 from liquid valve 12
Place's discharge；
S65, after tank body 6 is cooled to room temperature, open 23 removal of core 15 of lid, and close all valves；
S66, to the solution that is discharged from liquid valve 12 into row element and constituent analysis；Porosity, infiltration are carried out to rock core
The analyses such as rate, saturation degree, mechanical property.
The rock-fluid self-priming reciprocation experiment, including following sub-step：
It is real in simulation rock-positive fluid pressure saturation reciprocation experiment, simulation rock-fluid negative-pressure saturation reciprocation
It tests, during simulation rock-fluid two-phase saturation reciprocation experiment, by measuring the data on weight sensing instrument 10 in real time come anti-
The case where answering rock-fluid self-priming reciprocation.
The rock that the different fluid is repeatedly saturated-fluid reciprocation experiment, including following sub-step：
It is real in simulation rock-positive fluid pressure saturation reciprocation experiment and simulation rock-fluid negative-pressure saturation reciprocation
On the basis of testing, increase following steps：After first time simulation rock-fluid self-priming reciprocation experiment, tank body 6 is discharged first
Interior fluid is then shut off intake valve 4, air outlet valve 3, liquid feed valve 11 and liquid valve 12；Open all valves vacuumized on manifold
Door starts vacuum pump 9 to be vacuumized to tank body 6, vacuum pump 9 is closed after vacuumizing；Just again according to simulation rock-fluid
The operating procedure of pressure saturation reciprocation experiment or simulation rock-fluid negative-pressure saturation reciprocation experiment, carries out rock core
Second of experiment, until experiment terminates.
Therefore this system can carry out simulation rock-positive fluid pressure saturation reciprocation experiment, simulation rock-fluid negative-pressure
It is saturated reciprocation experiment, simulation rock-fluid two-phase saturation reciprocation experiment, simulation rock-fluid self-priming reciprocation
The rock that experiment, simulation different fluid are repeatedly saturated-fluid reciprocation experiment, overcomes the deficiencies in the prior art, breaks
The limitation of the prior art, application range are wider.
Claims (3)
1. a kind of rock-fluid reciprocation experimental system for simulating, it is characterised in that：It include core chamber, solution disengaging manifold,
Gas passes in and out manifold and vacuumizes manifold, and the core chamber includes tank body（6）, be set to tank body（6）Lid（23）, be positioned over
Lid（23）Multiple weight sensing instruments at top（10）, the tank body（6）Inner wall on be provided with heating instrument（7）, tank body（6）Outside
It is provided on wall for measuring tank body（6）The thermometer of interior temperature（8）, thermometer（8）Output port and heating instrument（7）It is defeated
Inbound port is connected through signal wire, the weight sensing instrument（10）Bottom be installed with filament（21）, filament（21）Downward through lid
（23）And it is inserted into tank body（6）It is interior, filament（21）Bottom hung have rock core（15）；
The solution disengaging manifold includes feed liquor pipeline and outlet tube line, and the feed liquor pipeline includes air pump（17）, hand-operated valve A
（16）, closed solution tank（14）And liquid feed valve（11）, closed solution tank（14）Side wall on be provided with graduated scale, air pump
（17）Gas outlet at be connected with hand-operated valve A（16）, hand-operated valve A（16）End be inserted into closed solution tank from top to bottom
（14）In, liquid feed valve（11）One end from it is upper run through lid（23）And it is inserted into tank body（6）It is interior, liquid feed valve（11）The other end from
On be inserted into closed solution tank down（14）In, the outlet tube line includes pressure gauge A connected in sequence（24）And liquid valve
（12）, pressure gauge A（24）The other end run through lid（23）And it is inserted into tank body（6）It is interior；
The gas disengaging manifold includes admission line and outlet line, and the admission line includes gas cylinder connected in sequence（1）,
Booster pump（2）And intake valve（4）, intake valve（4）The other end run through lid（23）And it is inserted into tank body（6）It is interior, the outlet
Pipeline includes pressure gauge B connected in sequence（5）And air outlet valve（3）, pressure gauge B（5）The other end run through lid（23）And it stretches into
In tank body（6）It is interior；
The manifold that vacuumizes includes vacuum pump connected in sequence（9）, hand-operated valve B（19）, vacuum meter（18）With hand-operated valve C
（20）, hand-operated valve C（20）The other end run through lid（23）And it is inserted into tank body（6）It is interior.
2. a kind of rock according to claim 1-fluid reciprocation experimental system for simulating, it is characterised in that：It is described into
Liquid valve（11）The other end be connected with tap A（13）, tap A（13）End be inserted into from top to bottom it is closed molten
Fluid cylinder（14）In.
3. a kind of rock according to claim 1-fluid reciprocation experimental system for simulating, it is characterised in that：It is described into
Air valve（4）And booster pump（2）Between be provided with tap B（22）.
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| CN201810956511.9A CN108761046B (en) | 2018-08-21 | 2018-08-21 | Rock-fluid interaction simulation experiment system |
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| CN201810956511.9A CN108761046B (en) | 2018-08-21 | 2018-08-21 | Rock-fluid interaction simulation experiment system |
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| CN108761046B CN108761046B (en) | 2024-03-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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