CN106437637A - Visualization microscopic experimental device and method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide - Google Patents

Visualization microscopic experimental device and method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide Download PDF

Info

Publication number
CN106437637A
CN106437637A CN201610831430.7A CN201610831430A CN106437637A CN 106437637 A CN106437637 A CN 106437637A CN 201610831430 A CN201610831430 A CN 201610831430A CN 106437637 A CN106437637 A CN 106437637A
Authority
CN
China
Prior art keywords
pressure
carbon dioxide
pump
temperature
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610831430.7A
Other languages
Chinese (zh)
Other versions
CN106437637B (en
Inventor
朱维耀
宋智勇
韩宏彦
岳明
宋洪庆
杨连枝
范盼伟
李兵兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing University of Technology
University of Science and Technology Beijing USTB
Original Assignee
University of Science and Technology Beijing USTB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Science and Technology Beijing USTB filed Critical University of Science and Technology Beijing USTB
Priority to CN201610831430.7A priority Critical patent/CN106437637B/en
Publication of CN106437637A publication Critical patent/CN106437637A/en
Application granted granted Critical
Publication of CN106437637B publication Critical patent/CN106437637B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/164Injecting CO2 or carbonated water
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34Arrangements for separating materials produced by the well
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/70Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells

Abstract

The invention provides a visualization microscopic experimental device and a visualization microscopic experimental method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide, and belongs to the technical field of oil production. The device comprises a model clamper clamping a microscopic visual model, a replacement system, a back pressure system, a confining pressure system, a pressure monitoring system, a temperature control system and an image acquisition system. The device can control temperature and pressure simply and conveniently, has a small use space, is superior in safety performance, is simple and convenient to operate, can accurately simulate an oil reservoir actual condition, can clearly observe oil-gas action changes during carbon dioxide displacement in real time under a visual condition, and has very important significances for researching a precipitation law of asphaltene, the influence of the precipitation law on the recovery ratio, and the widespread use and promotion of a carbon dioxide displacement experiment in the petroleum industry.

Description

High Temperature High Pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment device and method
Technical field
The present invention relates to technical field of petroleum extraction, particularly relate to a kind of High Temperature High Pressure carbon dioxide flooding super-viscous oil visualization Microcosmos experiment device and method.
Background technology
In reservoir media pore media, carbon dioxide and petroleum hydrocarbon working technology are studied, and are one and utilize carbon dioxide to change The composition of petroleum hydrocarbon and mobility, and then improve an integrated technology of oil recovery factor.Through continuous research in recent years And field test, application in oil field for the carbon dioxide has significant progress, with carbon dioxide in high-content wax oil well and organic Handled up in matter precipitation blocking oil well, it has also become a kind of conventional yield-increasing technology;Carbon dioxide drive improves recovery ratio also to be had Stronger technological accumulation, carbon dioxide drive will play in high water cut oil field, the agent for improving oilfield recovery of postpolymer flood Very important effect.
Carbon dioxide oil recovery technique, compared with other tertiary oil recovery technologies, has applied widely, process is simple, investment Less, instant effect, function is many, expense is low, pollution-free the advantages of, be most with prospects at present a tertiary oil recovery technology.But It is, because the injector of gas easily causes the precipitation of the weight Organic substance such as crude oil studies on asphaltene, colloid and paraffin, to cause storage infiltration Rate declines, wettability reversal, has a strong impact on migration and the exploitation of crude oil.Existing theoretical research result can not meet oil field at present Produce to theoretical demand, especially lack high temperature, visual carbon dioxide microcosmic oil drive process and titanium dioxide under condition of high voltage The Analysis on Mechanism to asphaltene precipitation precipitation process for the carbon.Therefore, need the carbon dioxide flooding that research can adjust temperature and pressure badly Super-viscous oil visualizes microcosmos experiment method and device.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of High Temperature High Pressure carbon dioxide flooding super-viscous oil visualization microcosmic real Experiment device and method, this oil displacement experiment research device for visualized simulation is used for solving still can not simulate under high-temperature and high-pressure conditions at present Carry out studying a question of microbial oil displacement.The present invention relates to petroleum gas flowing experimental provision, it is possible to use simple glass is micro- See experimental model and carry out pressure in below 30MPa, pressure reduction various microcosmos experiments below 150 DEG C in below 8MPa, temperature, Experimental model size is 40mm × 40mm, and pore volume is about 50 × 10-9m3, high-temperature and high-pressure conditions carbon dioxide can be completed Drive the precipitation situation of viscous crude process studies on asphaltene.
This device include being clamped with the model clamper of microcosmic visual model, displacement system, back pressure system, ring pressure system, Pressure monitoring system, temperature control system, Separate System of Water-jet and image capturing system;Wherein,
Model clamper includes cylinder body, and cylinder body has fluid ostium, fluid outflow hole, confined pressure hole and thermometer hole; Microcosmic visual model is located in the middle part of cylinder body, and microcosmic visual model is provided with inlet and outlet, and fluid ostium is communicated with import, fluid Tap hole is communicated with outlet, and thermometer hole is arranged on below fluid ostium, and confined pressure hole is arranged on below fluid outflow hole;
Displacement system includes dioxide bottle, first gas effusion meter, and twin-tub constant speed and constant pressure pump, carbon dioxide pump into machine Structure, water pump into mechanism and oil pump enters mechanism, and dioxide bottle pumps into mechanism by first gas effusion meter and carbon dioxide Connect, for carbon dioxide is transported to the upper piston area that carbon dioxide pumps into mechanism, carbon dioxide pumps into mechanism, water pumps into machine Structure and oil pump are entered mechanism and are connected with the fluid ostium of model clamper respectively, and by twin-tub constant speed and constant pressure pump by titanium dioxide Carbon pumps into carbon dioxide in mechanism, water pumps in mechanism water and the oil that oil pump enters in mechanism are pumped into by fluid ostium To in microcosmic visual model, carbon dioxide pumps into mechanism, water pumps into mechanism and oil pump enters mechanism's lower pipeline and is passed through deionized water In, deionized water pumps into the pump barrel body bottom in twin-tub constant speed and constant pressure pump and promotes shifting on piston, provides pressure for experiment;First Gas flowmeter is used for measuring the injection rate of gas;
Twin-tub constant speed and constant pressure pump is a kind of high-pressure plunger pump, has constant speed, two kinds of mode of operations of constant voltage and corresponding modes Under multiple different operating modes:Adopt constant speed (constant current) mode of operation in the present invention, constant flow rate can be continuously provided The liquid of no pulse, the pressure in automatic detection two pump barrel body, flow signal simultaneously, and there is pressure protecting function;
Back pressure system is connected with the fluid outflow hole of model clamper, so that the outlet of described microcosmic visual model is pressurized to Predetermined pressure;Back pressure system includes manual pump and back pressure surge tank, arranges valve between manual pump and back pressure surge tank;
Confined pressure system is followed the tracks of pump by confined pressure and is constituted, and it is electronic digit display pump that confined pressure follows the tracks of pump, can real-time tracking pressure Change, confined pressure is followed the tracks of pump and is connected with the confined pressure hole of model clamper, makes described microcosmic visual model be in predetermined pressure all the time In environment;
Pressure monitor system is used for monitoring the pressure of confined pressure pressure, back pressure pressure and microcosmic visual model inlet and outlet Power;
Temperature control system is connected with thermometer hole by temperature probe, is that the microcosmic visual model within model clamper carries For a constant temperature environment;
Separate System of Water-jet includes gas-liquid separator, liquid storage beaker, analytical balance, desiccant and second gas flow Meter, after gas mixture enters into gas-liquid separator, gas rises through desiccant, measures micro- through second gas flow measurement See effluent air amount inside visual model, oil slips down to the bottom of gas-liquid separator, flow to liquid storage beaker by gravity along tube wall, The oil mass flowing out inside microcosmic visual model is measured by analytical balance;By first gas effusion meter and second gas effusion meter Accurately measure the consumption of carbon dioxide;
The flow regime that image capturing system is used in real-time display and record microcosmic visual model and asphalitine separate out feelings Condition;
Described visualization microcosmos experiment device also includes back-pressure valve, and the pipeline wherein that fluid outflow hole is drawn passes through back Pressure valve connects the back pressure surge tank of back pressure system and the gas-liquid separator of Separate System of Water-jet respectively, and another bye-pass accesses vacuum Container, Dewar vessel is connected with vacuum pump.Dewar vessel, vacuum pump, evacuation can reduce gas in cylinder body residual it is ensured that Liquid is full of whole clamper.
Between dioxide bottle and first gas effusion meter, pressure regulator valve is set, arranges unidirectional after first gas effusion meter Valve, carbon dioxide pumps into mechanism, water pumps into mechanism and oil pump enter mechanism before be equipped with pressure gauge.
Image capturing system includes light source, video instrument, image display and support;Model clamper is fixed on support, Light source is provided with bracket base;Model clamper upper end connects video instrument, and video instrument is connected with image display.
Model clamper also includes the clamper top cover labyrinth with upper watch window, the clamper with lower watch window Lower sealing cover, upper quartz glass and lower quartz glass, microcosmic visual model is placed between top cover labyrinth and lower sealing cover, upper close Quartz glass and lower quartz glass is inlayed respectively, by upper and lower watch window and quartzy glass up and down in capping and lower sealing cover Glass observes the fluid flow state in described microcosmic visual model.
Microcosmic visual model is transparent two-dimensional model, by the pore system photoengraving of natural core to plane On glass and sinter molding and make, its pore volume be 50ul, porosity be 37%.
Predetermined pressure is 15MPa.
Super-viscous oil viscosity is in 20000~40000mPa.s.
The method being simulated experiment using this device, comprises the steps:
(1) open the top cover labyrinth of described model clamper, fill it up with deionized water by model clamper lower cylinder body, protect In the case that card microcosmic visual model import and export does not have gas, microcosmic visual model is placed on ring in the middle part of described inboard wall of cylinder block On shape step, in placement process, avoid occurring bubble between lower cylinder body and microcosmic visual model, and the import of microcosmic visual model, Outlet is relative with fluid ostium and fluid outflow hole and communicates;After microcosmic visual model places, then add in upper cylinder half body Plus deionized water, preferably from about 2cm height, slowly tighten clamper top cover labyrinth it is ensured that bubble is excluded completely under emptying state Afterwards, close closed model clamper atmospheric valve;When having bubble in model clamper, using vacuum pump and evacuating atmosphere in vacuum vessel exclusion Bubble and close valve;Now, the twin-tub constant speed and constant pressure pump in displacement system, carbon dioxide pumps into mechanism, water pumps into mechanism And oil pump enters mechanism, microcosmic visual model and back-pressure valve, Separate System of Water-jet and is combined into an airtight flowing space;
(2) open temperature control system, microcosmic visual model is carried out with constant temperature heating, preferably 90 DEG C, with temperature Rise, pump is followed the tracks of by confined pressure stratum water is passed through in the hollow cavity of confined pressure hole injection model clamper, therefore confined pressure pressure Value also gradually rises;Meanwhile, open the regulating valve that water pumps into mechanism, when twin-tub constant speed and constant pressure pump pressure is shown as predetermined pressure When, open the regulating valve that water pumps into mechanism, the stratum water in mechanism is pumped into water by described twin-tub constant speed and constant pressure pump and injects mould In type, injection rate changes according to confined pressure, and confined pressure quickly raises, and speed tunes up;Confined pressure slowly raises, and speed slows down, with enclosing Pressure rising, adjust back-pressure valve, by hand pump increase back pressure it is ensured that water pump into mechanism inject microcosmic visual model pressure with The pressure of back pressure is equal, that is, ensure microcosmic visual model import, outlet pressure value equal;Until temperature reaches constant temperature, excellent Elect 90 DEG C as, confined pressure steady, confined pressure reaches predetermined pressure, and at this moment microcosmic visual model import, the pressure of outlet are also pre- level pressure Power;
(3) close that carbon dioxide pumps into mechanism, water pumps into the regulating valve of mechanism, when described twin-tub constant speed and constant pressure pump pressure When being shown as predetermined pressure, open the regulating valve that oil pump enters mechanism, noted in microcosmic visual model by twin-tub constant speed and constant pressure pump Enter the crude oil that oil pump enters in mechanism, saturated oils are carried out to described microcosmic visual model, to described microcosmic visual model exit no Till water flows out;And pass through video instrument and image display, microcosmic visual model is observed and records a video, record microcosmic is visual The state of the saturation simulation oil of model;
(4) close the regulating valve that oil pump enters mechanism, open dioxide bottle, make carbon dioxide enter into dioxy Change carbon and pump into mechanism, when described twin-tub constant speed and constant pressure pump pressure is shown as predetermined pressure, opens carbon dioxide and pump into mechanism Regulating valve, is pumped into carbon dioxide in carbon dioxide injection microcosmic visual model in mechanism with the first predetermined speed, carries out Carbon dioxide displacement is tested, and after effluent enters gas-liquid separator, gas rising measures microcosmic through second gas flow measurement Effluent air amount inside visual model, oil slips down to the bottom of gas-liquid separator by gravity along tube wall, flow to liquid storage beaker, leads to Cross the oil mass flowing out inside analysis balance measurement microcosmic visual model;When carbon dioxide injection amount reaches the first predetermined injection rate Afterwards, carbon dioxide displacement simulation terminates, by the precipitation to carbon dioxide displacement simulation process studies on asphaltene for the image capturing system The characteristic area of remaining oil distribution, remaining oil form and mark in position and microcosmic visual model is shown and is remembered Record;Accurately measure the consumption of carbon dioxide by first gas effusion meter and second gas effusion meter;
(5) close carbon dioxide and pump into mechanism's regulating valve it is ensured that microcosmic visual model is in predetermined pressure and constant temperature, constant temperature Standing 1 day, and every 6 hours pass through image capturing system to the remaining oil distribution in microcosmic visual model, remaining oil form And the characteristic area of mark is shown and records, separate out position to observe asphalitine;Observe temperature control during this period at any time The precision pressure gauge of system processed and pressure monitor system is it is ensured that microcosmic visual model is in constant high temperature and high pressure environment all the time;
(6) open the regulating valve that carbon dioxide pumps into mechanism, carbon dioxide flooding is proceeded to microcosmic visual model, that is, When described twin-tub constant speed and constant pressure pump pressure is shown as predetermined pressure, open the regulating valve that carbon dioxide pumps into mechanism, with second Predetermined speed pumps into carbon dioxide in carbon dioxide injection microcosmic visual model in mechanism, carries out carbon dioxide displacement real Test, after the injection rate of carbon dioxide reaches the second predetermined injection rate, carbon dioxide flooding terminates, again by image capturing system Record follow-up carbon dioxide flooding process;
(7), after experiment terminates, slowly reduce the temperature of microcosmic visual model by temperature control system, treat that temperature drops to After room temperature, slow blood pressure lowering is it is ensured that the confined pressure of microcosmic visual model, inlet and outlet pressure reduce simultaneously;To interpretation, analysis.
Wherein, the first predetermined speed and the second predetermined speed are 0.008mL/min;First predetermined injection rate and second makes a reservation for Injection rate is 1.0 times of pore volumes, i.e. 1.0PV.
The having the beneficial effect that of the technique scheme of the present invention:
1st, the present invention can carry out carbon dioxide flooding super-viscous oil visualization microcosmos experiment under high-temperature and high-pressure conditions, can be convenient With the experimental temperature effectively selecting carbon dioxide flooding viscous crude visualization micromodel according to actual reservoir temperature and pressure condition With confined pressure size.
2nd, this experimental provision, according to actual reservoir condition, controls temperature and pressure technology easy, safety little using space Can be superior, easy and simple to handle, it is easy to observe the mechanism of action of carbon dioxide and petroleum hydrocarbon under the conditions of visualization, and the analysis of asphalitine Artificial situation, to extensive application in petroleum industry for the microcosmos experiment with promote significant.
Brief description
Fig. 1 is that the High Temperature High Pressure carbon dioxide flooding super-viscous oil of the present invention visualizes microcosmos experiment apparatus structure schematic diagram;
Fig. 2 is the model holder structure schematic diagram of the present invention.
Wherein:1- dioxide bottle;2- pressure regulator valve;3- first gas effusion meter;4- check valve;5- pressure gauge;6- bis- Carbonoxide pumps into mechanism;7- water pumps into mechanism;8- oil pump enters mechanism;9- video instrument;10- temperature control system;11- thermometric is visited Head;12- image display;13- second gas effusion meter;14- desiccant;15- gas-liquid tripper;16- liquid storage beaker;17- divides Analysis balance;18- back pressure surge tank;19- manual pump;20- Dewar vessel;21- vacuum pump;22- twin-tub constant speed and constant pressure pump;23- encloses Pressure follows the tracks of pump;24- model clamper;25- deionized water;26- valve;27- back-pressure valve;28- light source;The upper quartz glass of 29-; 30- microcosmic visual model;31- fluid ostium;32- thermometer hole;33- confined pressure hole;34- fluid outflow hole;35- cylinder body;Under 36- Quartz glass;37- lower sealing cover;38- top cover labyrinth.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.
The present invention provides a kind of High Temperature High Pressure carbon dioxide flooding super-viscous oil to visualize microcosmos experiment device and method.
As shown in figure 1, model clamper 24 is the core of this experimental system in this device, its Main Function is can for microcosmic Perceived model 30 provides high voltage external environment, and suitable constant temperature, meanwhile, provides external pipeline and model clamper 24 Interface, realizes just carrying out the various experimentatioies under formation condition using common microcosmos experiment model.By quartzy glass The upper and lower watch window that glass provides can be observed flow of fluid in microcosmic visual model 30, the position of asphalitine precipitation, form etc. Situation.Model clamper 24 includes cylinder body 35, cylinder body 35 has fluid ostium 31, fluid outflow hole 34, confined pressure hole 33 with And thermometer hole 32;Microcosmic visual model 30 is located in the middle part of cylinder body 35, and microcosmic visual model 30 is provided with inlet and outlet, and fluid flows into Hole 31 is communicated with import, and fluid outflow hole 34 is communicated with outlet, and thermometer hole 32 is arranged on below fluid ostium 31, confined pressure hole 33 It is arranged on below fluid outflow hole 34;
Displacement system is the power source of whole high temperature high pressure device, including dioxide bottle 1, first gas effusion meter 3, Twin-tub constant speed and constant pressure pump 22, carbon dioxide pump into mechanism 6, water pumps into mechanism 7 and oil pump enters mechanism 8, and dioxide bottle 1 leads to Cross first gas effusion meter 3 and pump into mechanism 6 with carbon dioxide and be connected, pump into mechanism for carbon dioxide is transported to carbon dioxide 6 upper piston area, carbon dioxide pumps into mechanism 6, water pumps into mechanism 7 and oil pump enter mechanism 8 respectively with model clamper 24 Fluid ostium 31 connects, and by twin-tub constant speed and constant pressure pump 22, carbon dioxide is pumped into carbon dioxide in mechanism 6, water pumps into The oil that water in mechanism 7 and oil pump enter in mechanism 8 is pumped in microcosmic visual model 30 by fluid ostium 31, titanium dioxide Carbon pumps into mechanism 6, water pumps into mechanism 7 and oil pump enters mechanism 8 lower pipeline and is passed through in deionized water 25;First gas effusion meter 3 For measuring the injection rate of gas;Carbon dioxide pumps into mechanism 6, water pumps into mechanism 7 and oil pump enters mechanism 8 and includes piston, experiment It is stored in fluid (carbon dioxide, stratum water, crude oil) that carbon dioxide pumps into mechanism 6, water pumps into mechanism 7 and oil pump enters mechanism 8 Upper piston area, twin-tub constant speed and constant pressure pump 22 act on pressure fluid pump into intermediate receptacle bottom and promote on piston move, experiment Pass through pipeline with fluid with predetermined pressure, such as 15MPa flows into clamper fluid ostium 31, enters described microcosmic visual model 30 imports, after flowing through microcosmic visual model 30, by the outlet of described microcosmic visual model 30, the fluid through model clamper 24 Tap hole 34 flows out, then flows into gas-liquid separator 15 through back-pressure valve 27.
Back pressure system is connected with the fluid outflow hole 34 of model clamper 24, so that the outlet of described microcosmic visual model 30 It is pressurized to predetermined pressure;Back pressure system includes manual pump 19 and back pressure surge tank 18, manual pump 19 and back pressure surge tank 18 it Between arrange valve 26;Liquid is directly squeezed in back pressure surge tank 18 by manual pump 19, is squeezed into the fluid in tank by piston micro- See visual model 30, so that microcosmic visual model 30 is exported and be pressurized to predetermined pressure, such as 15MPa it is ensured that microcosmic visual model Import, the pressure exporting are equal, and then safeguard the integrity of microcosmic visual model 30, and back pressure surge tank 18 is primarily used to buffer The fluctuation of pressure, serves the effect of voltage stabilizing off-load
Confined pressure system is followed the tracks of pump 23 by confined pressure and is constituted, and confined pressure is followed the tracks of pump 23 and shown pump for electronic digit, can real-time tracking pressure The change of power, confined pressure is followed the tracks of pump 23 and is connected with the confined pressure hole 33 of model clamper 24, so that described microcosmic visual model 30 is located all the time In the environment of predetermined pressure;Confined pressure is followed the tracks of pump 23 and is provided pressure source in model clamper 24, and this pressure energy can for microcosmic Perceived model 30 is outside to provide confined pressure, such as 15Mpa.Ensure the flow simulating ground environment of microcosmic visual model, in a high temperature Carry out under environment under high pressure;And can be tightly pressed against on the fixed mount in the middle part of cylinder body for microcosmic visual model 30 it is ensured that sealing.
Pressure monitor system is used for monitoring the pressure of confined pressure pressure, back pressure pressure and microcosmic visual model inlet and outlet Power is it is ensured that the maneuverability of whole high temperature and pressure experiment process and safety;
Temperature control system 10 is connected with thermometer hole 32 by temperature probe 11, is that the microcosmic within model clamper 24 can Perceived model 30 provides a constant temperature environment;
Separate System of Water-jet includes gas-liquid separator 15, liquid storage beaker 16, analytical balance 17, desiccant 14 and the second gas Flowmeter body 13, after gas mixture enters into gas-liquid separator 15, gas rises through desiccant 14, through second gas flow Meter 13 measurement obtains microcosmic visual model 30 the inside effluent air amount, and oil slips down to gas-liquid separator 15 by gravity along tube wall Bottom, flow to liquid storage beaker 16, measures, by analytical balance 17, the oil mass that microcosmic visual model 30 the inside is flowed out;By the first gas Flowmeter body 3 and second gas effusion meter 13 accurately measure the consumption of carbon dioxide;Measurement carbon dioxide be in order to The mechanism of action between solution carbon dioxide and viscous crude, oil out is carried out qualitative analyses with gas chromatogram, to obtain effect machine Reason.
Image capturing system is used for the flow regime in real-time display and record microcosmic visual model 30;
Described visualization microcosmos experiment device also includes back-pressure valve 27, and the pipeline wherein that fluid outflow hole 34 is drawn leads to Cross back-pressure valve 27 and connect the back pressure surge tank 18 of back pressure system and the gas-liquid separator 15 of Separate System of Water-jet, another arm respectively Dewar vessel 20 is accessed on road, and Dewar vessel 20 is connected with vacuum pump 21.
Between dioxide bottle 1 and first gas effusion meter 3, pressure regulator valve 2 is set, arranges single after first gas effusion meter 3 To valve 4, carbon dioxide pumps into mechanism 6, water pumps into mechanism 7 and oil pump enters mechanism 8 and is equipped with pressure gauge 5 before.
Image capturing system includes light source 28, video instrument 9, image display 12 and support;Model clamper 24 is fixed on On support, bracket base is provided with light source 28;Model clamper 24 upper end connects video instrument 9, video instrument and image display 12 are connected.After opening planar light source 28, light 24 times quartz glasss of permeable model clamper 36, microcosmic visual model 30, upper stone After English glass 29, in microcosmic visual model 30, fluid flow state is captured, amplifies, is imaged by CDD video instrument 9, and in image Show on display 12 and record, as later experiments phenomenon analysis data.
Model clamper 24 also includes the clamper top cover labyrinth 38 with upper watch window, the folder with lower watch window Holder lower sealing cover 37, upper quartz glass 29 and lower quartz glass 36, microcosmic visual model 30 be placed on top cover labyrinth 38 and under Between closure 37, inlay quartz glass 29 and lower quartz glass 36 in top cover labyrinth 38 and lower sealing cover 37 respectively, pass through Upper and lower watch window and upper and lower quartz glass observe the fluid flow state in described microcosmic visual model 30.
Microcosmic visual model 30 is transparent two-dimensional model, is put down by the pore system photoengraving of natural core is arrived On surface glass and sinter molding and make, and make a call to an aperture at two jiaos relatively of model respectively, the entering of respectively described model Mouthful and outlet, simulated injection well and extraction well, realize geometric shape and displacement process emulation and.
In an experiment, predetermined pressure is 15MPa.Adopted super-viscous oil viscosity is in 20000~40000mPa.s.
When experiment is simulated using this device, comprise the steps:
(1) open the top cover labyrinth 38 of described model clamper 24, fill it up with deionization by model clamper 24 lower cylinder body Water is it is ensured that in the case that microcosmic visual model 30 import and export do not have gas, microcosmic visual model 30 is placed on described cylinder body On circular step in the middle part of 35 inwalls, in placement process, avoid, between lower cylinder body and microcosmic visual model 30, bubble occurs, and microcosmic The import of visual model 30, outlet are relative with fluid ostium 31 and fluid outflow hole 34 and communicate;Microcosmic visual model 30 After placing, then deionized water, preferably from about 2cm height in upper cylinder half body, will be added, slowly tighten on clamper under emptying state Closure 38 is it is ensured that after bubble excludes completely, close closed model clamper 24 atmospheric valve;When having bubble in model clamper 24, profit Excluded bubble and closed valve with vacuum pump 21 and Dewar vessel 20 evacuation;Now, the twin-tub constant speed in displacement system Constant pressure pump 22, carbon dioxide pump into mechanism 6, water pumps into mechanism 7 and oil pump enters mechanism 8, microcosmic visual model 30 and back-pressure valve 27th, Separate System of Water-jet is combined into an airtight flowing space;
(2) open temperature control system 10, microcosmic visual model 30 is carried out with constant temperature heating, preferably 90 DEG C, with temperature The rising of degree, follows the tracks of pump 23 by confined pressure and passes through stratum water in the hollow cavity of confined pressure hole 33 injection model clamper 24, because This confined pressure pressure value also gradually rises;Meanwhile, open the regulating valve that water pumps into mechanism 7, when twin-tub constant speed and constant pressure pump 22 pressure shows When being shown as predetermined pressure, open the regulating valve that water pumps into mechanism 7, pump into mechanism 7 by described 22 water of twin-tub constant speed and constant pressure pump In stratum water injection model in, injection rate changes according to confined pressure, and confined pressure quickly raises, and speed tunes up;Confined pressure slowly raises, Speed slows down, and with the rising of confined pressure, adjusts back-pressure valve 27, increases back pressure by hand pump 19 it is ensured that water pumps into mechanism 7 injects The pressure of microcosmic visual model 30 is equal with the pressure of back pressure, that is, ensure import, the pressure value of outlet of microcosmic visual model 30 Equal;Until temperature reaches constant temperature, preferably 90 DEG C, confined pressure steady, confined pressure reaches predetermined pressure, at this moment microcosmic visual model 30 Import, the pressure of outlet are also predetermined pressure;
(3) close that carbon dioxide pumps into mechanism 6, water pumps into the regulating valve of mechanism 7, when described twin-tub constant speed and constant pressure pump 22 When pressure is shown as predetermined pressure, open the regulating valve that oil pump enters mechanism 8, by twin-tub constant speed and constant pressure pump 22 to the visual mould of microcosmic In type 30, injection oil pump enters the crude oil in mechanism 8, carries out saturated oils to described microcosmic visual model 30, to the visual mould of described microcosmic Till the anhydrous outflow in type 30 exit;And pass through video instrument 9 and image display 12, microcosmic visual model 30 is observed and Video recording, the state of the saturation simulation oil of record microcosmic visual model 30;
(4) close the regulating valve that oil pump enters mechanism 8, open dioxide bottle 1, make carbon dioxide enter into two Carbonoxide pumps into mechanism 6, when described twin-tub constant speed and constant pressure pump 22 pressure is shown as predetermined pressure, opens carbon dioxide and pumps into machine The regulating valve of structure 6, pumps into carbon dioxide injection microcosmic visual model 30 in mechanism 6 with the first predetermined speed carbon dioxide In, carry out carbon dioxide displacement experiment, after effluent enters gas-liquid separator 15, gas rises to be surveyed through second gas effusion meter 13 Measure microcosmic visual model 30 the inside effluent air amount, oil slips down to the bottom of gas-liquid separator 15 by gravity along tube wall, It flow to liquid storage beaker 16, the oil mass that microcosmic visual model 30 the inside is flowed out is measured by analytical balance 17;Work as carbon dioxide injection After amount reaches the first predetermined injection rate, carbon dioxide displacement simulation terminates, by image capturing system to carbon dioxide displacement mould The remaining oil distribution separating out in position and microcosmic visual model 30 of plan process studies on asphaltene, remaining oil form and mark Characteristic area is shown and is recorded;Titanium dioxide is accurately measured by first gas effusion meter 3 and second gas effusion meter 13 The consumption of carbon gas;
(5) close carbon dioxide and pump into mechanism 6 regulating valve it is ensured that microcosmic visual model 30 is in predetermined pressure and constant temperature, permanent Gentle and quiet put 1 day, and every 6 hours pass through image capturing system to the remaining oil distribution in microcosmic visual model 30, remaining oil The characteristic area of form and mark is shown and is recorded, and separates out position to observe asphalitine;Observe temperature during this period at any time The precision pressure gauge of degree control system 10 and pressure monitor system is it is ensured that microcosmic visual model 30 is in constant high temperature height all the time Pressure ring border;
(6) open the regulating valve that carbon dioxide pumps into mechanism 6, carbon dioxide flooding proceeded to microcosmic visual model 30, I.e. when described twin-tub constant speed and constant pressure pump 22 pressure is shown as predetermined pressure, open the regulating valve that carbon dioxide pumps into mechanism 6, with Second predetermined speed pumps into carbon dioxide in carbon dioxide injection microcosmic visual model 30 in mechanism 6, carries out titanium dioxide Carbon displacement test, after the injection rate of carbon dioxide reaches the second predetermined injection rate, carbon dioxide flooding terminates, again by image Acquisition system record follow-up carbon dioxide flooding process;
(7), after experiment terminates, slowly reduce the temperature of microcosmic visual model 30 by temperature control system 10, treat temperature After dropping to room temperature, slow blood pressure lowering is it is ensured that the confined pressure of microcosmic visual model 30, inlet and outlet pressure reduce simultaneously;Whole to experimental result Reason, analysis.
Wherein, the first predetermined speed and the second predetermined speed are 0.008mL/min;First predetermined injection rate and second makes a reservation for Injection rate is 1.0PV.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications Should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of High Temperature High Pressure carbon dioxide flooding super-viscous oil visualization microcosmos experiment device it is characterised in that:Micro- including being clamped with The model clamper (24) of sight visual model, displacement system, back pressure system, ring pressure system, pressure monitoring system, temperature control system System (10), Separate System of Water-jet and image capturing system;Wherein:
Model clamper (24) includes cylinder body (35), cylinder body (35) has fluid ostium (31), fluid outflow hole (34), encloses Pressure hole (33) and thermometer hole (32);Microcosmic visual model (30) is located in the middle part of cylinder body (35), and microcosmic visual model (30) is provided with Inlet and outlet, fluid ostium (31) is communicated with import, and fluid outflow hole (34) is communicated with outlet;
Displacement system includes dioxide bottle (1), first gas effusion meter (3), twin-tub constant speed and constant pressure pump (22), carbon dioxide Pump into mechanism (6), water pumps into mechanism (7) and oil pump enters mechanism (8), dioxide bottle (1) passes through first gas effusion meter (3) pump into mechanism (6) with carbon dioxide to be connected, carbon dioxide pumps into mechanism (6), water pumps into mechanism (7) and oil pump enters mechanism (8) it is connected with the fluid ostium (31) of model clamper (24) respectively, and by twin-tub constant speed and constant pressure pump (22) by titanium dioxide Carbon pumps into carbon dioxide in mechanism (6), water pumps in mechanism (7) water and the oil that oil pump enters in mechanism (8) pass through fluid Ostium (31) is pumped in microcosmic visual model (30), and carbon dioxide pumps into mechanism (6), water pumps into mechanism (7) and oil pump enters Mechanism (8) lower pipeline is passed through in deionized water (25);
Back pressure system is connected with the fluid outflow hole (34) of model clamper (24), and back pressure system includes manual pump (19) and back pressure Surge tank (18), setting valve (26) between manual pump (19) and back pressure surge tank (18);
Confined pressure system is followed the tracks of pump (23) and is constituted by confined pressure, and confined pressure is followed the tracks of pump (23) and shown pump for electronic digit, and confined pressure follows the tracks of pump (23) connect with the confined pressure hole (33) of model clamper (24), make described microcosmic visual model (30) be in predetermined pressure all the time In environment;
Pressure monitor system is used for monitoring the pressure of confined pressure pressure, back pressure pressure and microcosmic visual model inlet and outlet;
Temperature control system (10) is connected with thermometer hole (32) by temperature probe (11), is the micro- of model clamper (24) inside Seeing visual model (30) provides a constant temperature environment;
Separate System of Water-jet includes gas-liquid separator (15), liquid storage beaker (16), analytical balance (17), desiccant (14) and Two gas flowmeters (13), after gas mixture enters into gas-liquid separator (15), gas rises through desiccant (14), through Two gas flowmeters (13) measurement obtains effluent air amount inside microcosmic visual model (30), and oil slips down to along tube wall by gravity The bottom of gas-liquid separator (15), flow to liquid storage beaker (16), measures microcosmic visual model (30) by analytical balance (17) inner The oil mass that surface current goes out;Carbon dioxide is accurately measured by first gas effusion meter (3) and second gas effusion meter (13) Consumption;
Image capturing system is used for the flow regime in real-time display and record microcosmic visual model (30);
Described visualization microcosmos experiment device also includes back-pressure valve (27), and the pipeline that fluid outflow hole (34) is drawn wherein leads to Cross back-pressure valve (27) and connect the back pressure surge tank (18) of back pressure system and the gas-liquid separator (15) of Separate System of Water-jet respectively, separately One bye-pass accesses Dewar vessel (20), and Dewar vessel (20) is connected with vacuum pump (21).
2. High Temperature High Pressure carbon dioxide flooding super-viscous oil according to claim 1 visualizes microcosmos experiment device, and its feature exists In:Setting pressure regulator valve (2), first gas effusion meter (3) between described dioxide bottle (1) and first gas effusion meter (3) Setting check valve (4) afterwards, carbon dioxide pumps into mechanism (6), water pumps into mechanism (7) and oil pump enters mechanism (8) and is equipped with pressure before Power table (5).
3. High Temperature High Pressure carbon dioxide flooding super-viscous oil according to claim 1 visualizes microcosmos experiment device, and its feature exists In:Described image acquisition system includes light source (28), video instrument (9), image display (12) and support;Model clamper (24) It is fixed on support, bracket base is provided with light source (28);Model clamper (24) upper end connects video instrument (9), video instrument It is connected with image display (12).
4. High Temperature High Pressure carbon dioxide flooding super-viscous oil according to claim 1 visualizes microcosmos experiment device, and its feature exists In:Described model clamper (24) also includes having the clamper top cover labyrinth (38) of upper watch window, has lower watch window Clamper lower sealing cover (37), upper quartz glass (29) and lower quartz glass (36), microcosmic visual model (30) is placed on Between closure (38) and lower sealing cover (37), in top cover labyrinth (38) and lower sealing cover (37), inlay quartz glass respectively And lower quartz glass (36) (29).
5. High Temperature High Pressure carbon dioxide flooding super-viscous oil according to claim 1 visualizes microcosmos experiment device, and its feature exists In:Described microcosmic visual model (30) is transparent two-dimensional model, by the pore system photoengraving of natural core is arrived On flat glass and sinter molding and make.
6. High Temperature High Pressure carbon dioxide flooding super-viscous oil according to claim 1 visualizes microcosmos experiment device, and its feature exists In:Described predetermined pressure is 15MPa.
7. High Temperature High Pressure carbon dioxide flooding super-viscous oil according to claim 1 visualizes microcosmos experiment device, and its feature exists In:Super-viscous oil viscosity is in 20000~40000mPa.s.
8. adopt the High Temperature High Pressure carbon dioxide flooding super-viscous oil visualization microcosmos experiment device described in claim 1 to be simulated real The method tested it is characterised in that:Comprise the steps:
(1) open the top cover labyrinth (38) of described model clamper (24), by fill it up with model clamper (24) lower cylinder body from Sub- water is it is ensured that in the case that microcosmic visual model (30) import and export do not have gas, microcosmic visual model (30) is placed on institute State on circular step in the middle part of cylinder body (35) inwall, in placement process, avoid, between lower cylinder body and microcosmic visual model (30), gas occurs Bubble, and the import of microcosmic visual model (30), outlet are relative with fluid ostium (31) and fluid outflow hole (34) and communicate; After microcosmic visual model (30) places, then deionized water will be added in upper cylinder half body, slowly tighten on clamper under emptying state Closure (38) is it is ensured that after bubble excludes completely, close closed model clamper (24) atmospheric valve;Model clamper has bubble in (24) When, exclude bubble and close valve using vacuum pump (21) and Dewar vessel (20) evacuation;Now, in displacement system Twin-tub constant speed and constant pressure pump (22), carbon dioxide pump into mechanism (6), water pumps into mechanism (7) and oil pump enters mechanism (8), microcosmic can Perceived model (30) and back-pressure valve (27), Separate System of Water-jet are combined into an airtight flowing space;
(2) open temperature control system (10), constant temperature heating is carried out to microcosmic visual model (30), with the rising of temperature, lead to Cross confined pressure tracking pump (23) and stratum water is passed through in the hollow cavity of confined pressure hole (33) injection model clamper (24), therefore confined pressure Pressure value also gradually rises;Meanwhile, open the regulating valve that water pumps into mechanism (7), when twin-tub constant speed and constant pressure pump (22) pressure shows During for predetermined pressure, open the regulating valve that water pumps into mechanism (7), mechanism is pumped into water by described twin-tub constant speed and constant pressure pump (22) (7) in the stratum water injection model in, injection rate changes according to confined pressure, and confined pressure quickly raises, and speed tunes up;Confined pressure slowly rises Height, speed slows down, and with the rising of confined pressure, adjusts back-pressure valve (27), increases back pressure it is ensured that water pumps into machine by hand pump (19) Structure (7) inject microcosmic visual model (30) pressure equal with the pressure of back pressure, that is, guarantee microcosmic visual model (30) import, The pressure value of outlet is equal;Until temperature reaches constant temperature, confined pressure steady, confined pressure reaches predetermined pressure, at this moment microcosmic visual model (30) import, the pressure of outlet are also predetermined pressure;
(3) close that carbon dioxide pumps into mechanism (6), water pumps into the regulating valve of mechanism (7), when described twin-tub constant speed and constant pressure pump (22) when pressure is shown as predetermined pressure, open the regulating valve that oil pump enters mechanism (8), by twin-tub constant speed and constant pressure pump (22) to micro- See the crude oil that in visual model (30), injection oil pump enters in mechanism (8), saturated oils are carried out to described microcosmic visual model (30), extremely Described microcosmic visual model (30) exit is anhydrous flow out till;And pass through video instrument (9) and image display (12), to microcosmic Visual model (30) is observed and records a video, the state of the saturation simulation oil of record microcosmic visual model (30);
(4) close the regulating valve that oil pump enters mechanism (8), open dioxide bottle (1), make carbon dioxide enter into two Carbonoxide pumps into mechanism (6), when described twin-tub constant speed and constant pressure pump (22) pressure is shown as predetermined pressure, opens carbon dioxide pump Enter the regulating valve of mechanism (6), with the first predetermined speed, carbon dioxide being pumped in mechanism (6) carbon dioxide injection microcosmic can In perceived model (30), carry out carbon dioxide displacement experiment, after effluent enters gas-liquid separator (15), gas rises through the second gas Flowmeter body (13) measurement obtains effluent air amount inside microcosmic visual model (30), and oil slips down to gas-liquid by gravity along tube wall The bottom of separator (15), flow to liquid storage beaker (16), is measured by analytical balance (17) and flows inside microcosmic visual model (30) The oil mass going out;After carbon dioxide injection amount reaches the first predetermined injection rate, carbon dioxide displacement simulation terminates, and is adopted by image Collecting system is to the remaining oil in the precipitation position of carbon dioxide displacement simulation process studies on asphaltene and microcosmic visual model (30) The characteristic area of distribution, remaining oil form and mark is shown and is recorded;By first gas effusion meter (3) and the second gas Flowmeter body (13) accurately measures the consumption of carbon dioxide;
(5) close carbon dioxide and pump into mechanism's (6) regulating valve it is ensured that microcosmic visual model (30) is in predetermined pressure and constant temperature, permanent Gentle and quiet put 1 day, and every 6 hours pass through image capturing system to the remaining oil distribution in microcosmic visual model (30), residue The characteristic area of oily form and mark is shown and is recorded, and separates out position to observe asphalitine;Observe at any time during this period The precision pressure gauge of temperature control system (10) and pressure monitor system it is ensured that microcosmic visual model (30) be in all the time constant High temperature and high pressure environment;
(6) open the regulating valve that carbon dioxide pumps into mechanism (6), carbon dioxide flooding proceeded to microcosmic visual model (30), I.e. when described twin-tub constant speed and constant pressure pump (22) pressure is shown as predetermined pressure, open the regulation that carbon dioxide pumps into mechanism (6) Valve, is pumped into carbon dioxide in carbon dioxide injection microcosmic visual model (30) in mechanism (6) with the second predetermined speed, enters Row carbon dioxide displacement is tested, and after the injection rate of carbon dioxide reaches the second predetermined injection rate, carbon dioxide flooding terminates, equally By image capturing system record follow-up carbon dioxide flooding process;
(7), after experiment terminates, by the slow temperature reducing microcosmic visual model (30) of temperature control system (10), treat temperature After dropping to room temperature, slow blood pressure lowering is it is ensured that the confined pressure of microcosmic visual model (30), inlet and outlet pressure reduce simultaneously;Whole to experimental result Reason, analysis.
9. High Temperature High Pressure carbon dioxide flooding super-viscous oil visualization microcosmos experiment device according to claim 8 is simulated in fact The method tested it is characterised in that:Described first predetermined speed and the second predetermined speed are 0.008mL/min;First predetermined injection Amount and the second predetermined injection rate are 1.0PV.
CN201610831430.7A 2016-09-19 2016-09-19 High temperature and pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment method Active CN106437637B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610831430.7A CN106437637B (en) 2016-09-19 2016-09-19 High temperature and pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610831430.7A CN106437637B (en) 2016-09-19 2016-09-19 High temperature and pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment method

Publications (2)

Publication Number Publication Date
CN106437637A true CN106437637A (en) 2017-02-22
CN106437637B CN106437637B (en) 2018-12-25

Family

ID=58165686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610831430.7A Active CN106437637B (en) 2016-09-19 2016-09-19 High temperature and pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment method

Country Status (1)

Country Link
CN (1) CN106437637B (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014722A (en) * 2017-05-25 2017-08-04 浙江海洋大学 Dynamic determines CO2The experimental provision of crude oil effect generation amount of asphaltene precipitation
CN107219322A (en) * 2017-05-25 2017-09-29 浙江海洋大学 Dynamic determines CO2The method of crude oil effect generation amount of asphaltene precipitation
CN107402290A (en) * 2017-08-03 2017-11-28 浙江海洋大学 Study CO2Experimental method of the drive process Crude Oil studies on asphaltene precipitation to reservoir properties and development effect influence
CN107727554A (en) * 2017-10-31 2018-02-23 中国石油大学(北京) Strengthen the imbibition system of carbonization water under high-temperature and high-pressure conditions
CN107764510A (en) * 2017-10-13 2018-03-06 中国科学院武汉岩土力学研究所 It is a kind of to be used for the analogue means and experimental method that oil gas bittern migration rule is studied in the bank of salt cave
CN107882539A (en) * 2017-11-07 2018-04-06 中国石油大学(华东) One kind is based on CO2Crude oil mass transfer improves the experimental provision and method for streaming oil recovery factor
CN107916915A (en) * 2017-10-31 2018-04-17 中国石油大学(北京) The displacement system and method for carbonization water under high-temperature and high-pressure conditions
CN108179999A (en) * 2017-12-30 2018-06-19 东北石油大学 Compare the method and apparatus in carbon dioxide-foam flooding displacement stage
CN108222899A (en) * 2017-12-30 2018-06-29 东北石油大学 Compare the method and apparatus in carbon dioxide non-phase-mixing driving stage
CN108222900A (en) * 2017-12-30 2018-06-29 东北石油大学 Compare the method and apparatus that carbon dioxide mixed phase drives displacement stage effectiveness
CN108387709A (en) * 2018-01-27 2018-08-10 东北石油大学 A kind of gas drive device and method for constant pressure injection to can be achieved in laboratory
CN108593252A (en) * 2018-04-04 2018-09-28 中国石油天然气股份有限公司 The method of flow morphology visual program and reservoir exploration
CN109162681A (en) * 2018-10-08 2019-01-08 中国石油天然气股份有限公司 For simulating the long core test system and method for heavy crude reservoir
CN109424339A (en) * 2017-08-25 2019-03-05 中国石油天然气股份有限公司 Oil recovery simulator
CN109538176A (en) * 2017-09-22 2019-03-29 中国石油化工股份有限公司 LOW PERMEABILITY RESERVOIR nitrogen compound throughput physical simulation experiment device and method
CN109632795A (en) * 2018-12-25 2019-04-16 中国石油大学(华东) The microcosmic observation system of hydrate
CN109681156A (en) * 2018-12-19 2019-04-26 大连理工大学 A kind of multiphase multi-fluid injected system of single pump control
CN109827884A (en) * 2019-03-15 2019-05-31 西北大学 A kind of true sandstone high-temperature and high-pressure visual seepage experimental apparatus and method
CN111537549A (en) * 2020-06-08 2020-08-14 北京大学 Carbon dioxide flooding, storing and fracturing device with continuously-changed phase state and experimental method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589276A (en) * 1984-12-12 1986-05-20 Mobil Oil Corporation Method and apparatus for determining effectiveness of foamant in porous media
US5056596A (en) * 1988-08-05 1991-10-15 Alberta Oil Sands Technology And Research Authority Recovery of bitumen or heavy oil in situ by injection of hot water of low quality steam plus caustic and carbon dioxide
CN202102631U (en) * 2011-01-18 2012-01-04 中国地质大学(北京) Carbon dioxide transfer physical simulation platform under geological storage conditions
US20120211089A1 (en) * 2010-12-13 2012-08-23 University Of Wyoming Recirculating, constant backpressure core flooding apparatus and method
CN103216222A (en) * 2013-04-30 2013-07-24 北京科技大学 High temperature and high pressure visual device for simulating microorganism oil displacement and simulating method thereof
CN104100257A (en) * 2014-06-04 2014-10-15 西南石油大学 High-temperature and high-pressure microscopic visualization stratum seepage flow simulation experiment device and method
CN104612674A (en) * 2015-01-29 2015-05-13 中国石油大学(北京) Simulate fracture-cavity type carbonate reservoir huff and puff test device and method
CN105221122A (en) * 2015-10-29 2016-01-06 中国石油大学(北京) The visual experimental apparatus of simulation fractured-cavernous carbonate reservoir gas injection and method
CN205135580U (en) * 2015-11-13 2016-04-06 中国石油化工股份有限公司 Long rock core carbon dioxide gas drives experimental system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589276A (en) * 1984-12-12 1986-05-20 Mobil Oil Corporation Method and apparatus for determining effectiveness of foamant in porous media
US5056596A (en) * 1988-08-05 1991-10-15 Alberta Oil Sands Technology And Research Authority Recovery of bitumen or heavy oil in situ by injection of hot water of low quality steam plus caustic and carbon dioxide
US20120211089A1 (en) * 2010-12-13 2012-08-23 University Of Wyoming Recirculating, constant backpressure core flooding apparatus and method
CN202102631U (en) * 2011-01-18 2012-01-04 中国地质大学(北京) Carbon dioxide transfer physical simulation platform under geological storage conditions
CN103216222A (en) * 2013-04-30 2013-07-24 北京科技大学 High temperature and high pressure visual device for simulating microorganism oil displacement and simulating method thereof
CN104100257A (en) * 2014-06-04 2014-10-15 西南石油大学 High-temperature and high-pressure microscopic visualization stratum seepage flow simulation experiment device and method
CN104612674A (en) * 2015-01-29 2015-05-13 中国石油大学(北京) Simulate fracture-cavity type carbonate reservoir huff and puff test device and method
CN105221122A (en) * 2015-10-29 2016-01-06 中国石油大学(北京) The visual experimental apparatus of simulation fractured-cavernous carbonate reservoir gas injection and method
CN205135580U (en) * 2015-11-13 2016-04-06 中国石油化工股份有限公司 Long rock core carbon dioxide gas drives experimental system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘瑜: "《二氧化碳地下封存与强化采油利用基础研究》", 《中国博士学位论文全文数据库(电子期刊)》 *

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014722A (en) * 2017-05-25 2017-08-04 浙江海洋大学 Dynamic determines CO2The experimental provision of crude oil effect generation amount of asphaltene precipitation
CN107219322A (en) * 2017-05-25 2017-09-29 浙江海洋大学 Dynamic determines CO2The method of crude oil effect generation amount of asphaltene precipitation
CN107402290A (en) * 2017-08-03 2017-11-28 浙江海洋大学 Study CO2Experimental method of the drive process Crude Oil studies on asphaltene precipitation to reservoir properties and development effect influence
CN109424339A (en) * 2017-08-25 2019-03-05 中国石油天然气股份有限公司 Oil recovery simulator
CN109538176A (en) * 2017-09-22 2019-03-29 中国石油化工股份有限公司 LOW PERMEABILITY RESERVOIR nitrogen compound throughput physical simulation experiment device and method
CN107764510A (en) * 2017-10-13 2018-03-06 中国科学院武汉岩土力学研究所 It is a kind of to be used for the analogue means and experimental method that oil gas bittern migration rule is studied in the bank of salt cave
CN107764510B (en) * 2017-10-13 2019-11-15 中国科学院武汉岩土力学研究所 A kind of simulator and experimental method for the research of oil-gas in the storage cavern of salt cave-brine migration rule
CN107916915A (en) * 2017-10-31 2018-04-17 中国石油大学(北京) The displacement system and method for carbonization water under high-temperature and high-pressure conditions
CN107727554A (en) * 2017-10-31 2018-02-23 中国石油大学(北京) Strengthen the imbibition system of carbonization water under high-temperature and high-pressure conditions
CN107882539A (en) * 2017-11-07 2018-04-06 中国石油大学(华东) One kind is based on CO2Crude oil mass transfer improves the experimental provision and method for streaming oil recovery factor
CN107882539B (en) * 2017-11-07 2019-09-10 中国石油大学(华东) One kind being based on CO2Crude oil mass transfer improves the experimental provision and method for streaming oil recovery factor
CN108222900A (en) * 2017-12-30 2018-06-29 东北石油大学 Compare the method and apparatus that carbon dioxide mixed phase drives displacement stage effectiveness
CN108179999A (en) * 2017-12-30 2018-06-19 东北石油大学 Compare the method and apparatus in carbon dioxide-foam flooding displacement stage
CN108222899A (en) * 2017-12-30 2018-06-29 东北石油大学 Compare the method and apparatus in carbon dioxide non-phase-mixing driving stage
CN108387709A (en) * 2018-01-27 2018-08-10 东北石油大学 A kind of gas drive device and method for constant pressure injection to can be achieved in laboratory
CN108593252A (en) * 2018-04-04 2018-09-28 中国石油天然气股份有限公司 The method of flow morphology visual program and reservoir exploration
CN108593252B (en) * 2018-04-04 2020-08-07 中国石油天然气股份有限公司 Fluid form visualization observation system and oil reservoir exploration method
CN109162681A (en) * 2018-10-08 2019-01-08 中国石油天然气股份有限公司 For simulating the long core test system and method for heavy crude reservoir
CN109681156A (en) * 2018-12-19 2019-04-26 大连理工大学 A kind of multiphase multi-fluid injected system of single pump control
CN109681156B (en) * 2018-12-19 2021-01-05 大连理工大学 Multiphase multi-fluid injection system controlled by single pump
CN109632795B (en) * 2018-12-25 2019-10-25 中国石油大学(华东) The microcosmic observation system of hydrate
CN109632795A (en) * 2018-12-25 2019-04-16 中国石油大学(华东) The microcosmic observation system of hydrate
CN109827884A (en) * 2019-03-15 2019-05-31 西北大学 A kind of true sandstone high-temperature and high-pressure visual seepage experimental apparatus and method
CN111537549A (en) * 2020-06-08 2020-08-14 北京大学 Carbon dioxide flooding, storing and fracturing device with continuously-changed phase state and experimental method

Also Published As

Publication number Publication date
CN106437637B (en) 2018-12-25

Similar Documents

Publication Publication Date Title
CN103954639B (en) Method for detecting distribution of gel in micropores
CN103711483B (en) Simulation system and simulation method of hydrocarbon generation, adsorption and desorption of shale
CN103163057B (en) Testing device and measuring and calculating method for gas permeability of compact rock material
CN104596905B (en) Device and method for measuring permeability of rock in fracturing process
CN103216222B (en) A kind of high-temperature and high-pressure visual device and analogy method simulating microbial oil displacement
CN103674806B (en) The pore-level analogue experiment installation of pore scale elastic microsphere migration in porous medium
CN106353484B (en) A kind of experimental method and device of analog composite multilayer gas reservoir exploitation
CN103940717B (en) The experimental detection device that a kind of high temperature and high pressure steam pollutes rock core
CN104568678B (en) HTHP acid gas reservoir gas-liquid sulphur phase percolation curve test device and method
CN104297126B (en) low permeability reservoir gas seepage starting pressure gradient measuring device and measuring method
CN102720476B (en) O-shaped well physical simulation experiment device
US5263360A (en) Low permeability subterranean formation testing methods and apparatus
CN103233725B (en) Device and method for determining high temperature and high pressure full diameter core mud pollution evaluation
CN102536222B (en) The simulating-estimating device of damage of coalbed methane reservoir polluted by external fluid
CN103674799B (en) The device and method of a kind of mensurated gas composition axial diffusion coefficient in porous medium
CN106290045B (en) Unconventional tight sandstone reservoir oiliness and mobility evaluation experimental method
CN104407103B (en) A kind of multi-angle acid corrosion fracture test set
CN203929646U (en) For the high-pressure mini reaction unit of gas hydrate situ Raman Spectroscopy monitoring
CN102455277A (en) Device and method for measuring gasometry permeability of rock under high pressure
CN102797458B (en) For the three-dimensional simulation device of bottom and edge water
CN205139120U (en) Carbon dioxide drives well killing fluid gas and invades simulation evaluation experimental apparatus
CN105334309A (en) Soil heavy metal migration and transformation simulating device
CN102507414A (en) Core permeability experimental testing method and device under condition of stratum pressure
CN107063919B (en) The device and method of carbon dioxide and alkane competitive Adsorption amount in a kind of measurement shale
CN107884549B (en) The sandbox physics facility and analogy method of simulated formation deformational characteristics

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant