CN206957670U - It is a kind of to simulate system of the carbon dioxide gas drive to the microcosmic displacement process of cecum oil - Google Patents
It is a kind of to simulate system of the carbon dioxide gas drive to the microcosmic displacement process of cecum oil Download PDFInfo
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- CN206957670U CN206957670U CN201720515611.9U CN201720515611U CN206957670U CN 206957670 U CN206957670 U CN 206957670U CN 201720515611 U CN201720515611 U CN 201720515611U CN 206957670 U CN206957670 U CN 206957670U
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Abstract
The utility model provides a kind of system of simulation carbon dioxide gas drive to the microcosmic displacement process of cecum oil.The system is used to carry out displacement to the cecum oil in core model, including：For clamping the core holding unit of core model；For by the temperature-adjusting device of the temperature adjustment of core model to analog temperature；For by the pressure-regulating device of the temperature adjustment of core model to analog temperature；For making core model reach the analogue means of simulated formation state；For injecting CO into core model2CO2Injection device.Using said system, can simulate it is microcosmic under the conditions of CO2Gas drive is realized to CO under the conditions of microcosmic to the displacement process of cecum residual oil2Evaluation and analysis of the gas drive to cecum residual oil Flooding Efficiency, so as to be CO2Displacement cecum oil provides theoretical direction and technical support.
Description
Technical field
A kind of system of simulation carbon dioxide gas drive to the microcosmic displacement process of cecum oil is the utility model is related to, is especially related to
It is and a kind of for simulating and evaluating CO2Gas drive improves the microcosmic visualization system of HTHP oil well cecum residual oil Flooding Efficiency
System, belongs to Oil-Gas Field Development Engineering technical field.
Background technology
CO2There is very high solubility, CO in oil2It after being dissolved in crude oil, can decline crude oil volumetric expansion, viscosity, and
And the interfacial tension and minimum miscibility pressure of two-phase can be reduced, therefore, by CO2Inject oil reservoir, it is impossible to can increase substantially
Recovery ratio, and can reach CO2Seal the purpose with emission reduction up for safekeeping, meet the double requirements of environmental protection and oil reservoir Efficient Development.Especially
It is CO in recent years2The displacement of reservoir oil becomes one of most important flooding method, is widely applied.So analysis and research
CO2Driving mechanism has very actual directive significance for oil reservoir exploitation.
The Wang Yanyong of Daqing oil field Yushulin Oilfield Development Co., Ltd was in the paper delivered in 2015《Grand celebration elm
Woods oil field FY oil-layer CO2Oil displacement test》In, by back-up sand rock core displacement test to crude oil and CO2Parameters variation after effect enters
Go correlative study, analyze CO2The seepage flow characteristics and oil displacement efficiency of gas drive and water drive, test effect confirm CO2Technology of reservoir sweep
It is worthy of popularization.The Liu Chengjie of sinopec Shengli Oil Field branch company was in the paper delivered in 2012《CO2Gas drive envelope is altered with modification
The development of gel rubber system and Lab-evaluation》In, tested by single rock core and parallel core closure, to a kind of CO2Gas drive envelope alters use
Modified gel envelope is altered agent and tested.
But at present for CO2The research of gas drive is confined to single rock core or parallel core sandpack column more, and can only
Experimentation and mechanism are derived by the data of production fluid, can not be from microcosmic angle to CO2With the phase interaction of crude oil
Studied with mechanism.
During actual oil extraction, after the means such as gas drive or water drive carry out mother oil displacement, also have substantial amounts of former
Oil is trapped in rock core as oil residues, wherein having quite a few oil residues to be distributed in the cecum of rock core, how to this portion
Divide cecum oily (cecum residual oil) to be exploited, be the emphasis and difficult point of current actual production and theoretical research.Therefore, analysis with
Study CO2Gas drive to cecum oil driving mechanism to the secondary recovery of crude oil with further improve recovery ratio have it is extremely important
Meaning.But current few scholar's research CO2Gas drive is also used the driving mechanism of oil well cecum residual oil without a kind of
In simulation CO2Microcosmic visualization system of the gas drive to oil well cecum residual oil Flooding Efficiency.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of simulation carbon dioxide gas drive to cecum oil displacement process
System, using the system, can observe it is microcosmic under the conditions of CO2Gas drive is imitated to the displacement process of cecum residual oil, and to displacement
Fruit carries out A+E, so as to be CO2Displacement cecum oil provides theoretical direction and technical support.
The utility model provides a kind of system of simulation carbon dioxide gas drive to the microcosmic displacement process of cecum oil, for rock
Cecum oil in heart model carries out displacement, including：
For clamping the core holding unit of core model；
For by the temperature-adjusting device of the temperature adjustment of core model to analog temperature；
For the pressure of core model to be adjusted to the pressure-regulating device of simulated pressure；
For making core model reach the analogue means of simulated formation state；
For injecting CO into core model2CO2Injection device.
Further, in addition to for gathering CO2The image collecting device of displacement cecum oil process.
Specifically, analogue means includes being used for the saturation water injecting device that saturation water is injected into core model, Yi Jiyong
In the crude oil injection device that crude oil is injected into core model.
Specifically, core model has cecum, fluid intake and a fluid issuing, fluid intake and fluid issuing respectively with it is blind
End connection.
Further, in addition to core model the liquid trap connected.
Specifically, CO2Injection device includes being used to store CO2CO2Intermediate receptacle,
CO2Intermediate receptacle is connected with core model.
Further, in CO2Drier is provided between intermediate receptacle and core model.
Specifically, simulate CO using said system2Gas drive is to the method for the microcosmic displacement process of cecum oil, including following step
Suddenly：
1) temperature and pressure of core model is adjusted to analog temperature and simulated pressure respectively；
2) saturation water is injected into core model, is subsequently injected into crude oil, until reaching simulated formation state；
3) CO is injected into core model2, simulate CO2The process of displacement cecum oil.
Further, the above-mentioned CO of image acquisition device is utilized2The process of displacement cecum oil.
Specifically, CO2Injection rate be 0.01~0.10mL/min.
Specifically, analog temperature is 20~120 DEG C,
Simulated pressure includes lithostatic pressure and strata pressure, and lithostatic pressure is 0~16MPa；Strata pressure is 0~16MPa.
Specifically, the preparation method of core model includes the step of order below is carried out：
The first groove and the first import connected with the first groove and first outlet are etched on the first lucite；
The second groove and the second import connected with the second groove and second outlet are etched on the second lucite, the
Two grooves, the second import and second outlet are matched and are oppositely arranged with the first groove, the first import and first outlet respectively；
First lucite and the second lucite are oppositely arranged and pasted, core model is made；Wherein, first is recessed
The fluid intake of the cecum of groove and the second groove composition core model, the first import and the second import composition core model, first
Outlet and second outlet form the fluid issuing of core model.
The utility model provides a kind of simulation CO2Gas drive, can using the system to the system of cecum oil displacement process
Simulate and observe it is microcosmic under the conditions of CO2Gas drive to cecum oil displacement process, so as to Flooding Efficiency carry out evaluation analysis,
And then CO can be obtained2The mechanism of displacement cecum oil, is actual CO2Displacement cecum oil provides theoretical direction.
Brief description of the drawings
Fig. 1 is a kind of simulation CO provided in the embodiment of the utility model one2Gas drive is to cecum oil displacement process
System structural representation；
Fig. 2 is the structural representation of the core model provided in the embodiment of the utility model one；
Fig. 3 is the structural representation of the analogue means provided in the embodiment of the utility model one.
Description of reference numerals：
1- core models；11- cecums；12- fluid intakes；
13- fluid issuings；2- core holding units；21- rings press fluid cavity；
3- temperature-adjusting devices；31- temperature-controlled boxs；4- pressure control devices；
41- confined pressure adjusters；42- back pressure regulators；43- back-pressure valves；
5- analogue means；51- saturation water injecting devices；52- crude oil injection devices；
53- saturation water intermediate receptacles；54- crude oil intermediate receptacles； 6-CO2Injection device；
61-CO2Intermediate receptacle；62- driers；63- flowmeters；
7- constant-flux pumps；8- image collecting devices；81- display devices；
82- lighting devices；9- liquid traps.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
The utility model provides a kind of simulation CO2Gas drive is to the system of the microcosmic displacement process of cecum oil, for rock core mould
Cecum oil in type 1 carries out displacement, as shown in figure 1, including：
For clamping the core holding unit 2 of core model 1；
For by the temperature-adjusting device 3 of the temperature adjustment of core model 1 to analog temperature；
For the pressure of core model 1 to be adjusted to the pressure-regulating device 4 of analog temperature；
For making core model 1 reach the analogue means 5 of simulated formation state；
For injecting CO into core model2CO2Injection device 6.
The utility model is gripped core model 1 by core holding unit 2, passes through temperature-adjusting device 3, pressure
Cooperation between apparatus for adjusting force 4 and analogue means 5, core model 1 is reached experiment condition, and pass through CO2Injection device 6 to
CO is injected in core model 12, so as to simulate CO2Microcosmic displacement process of the gas drive to cecum oil.
The utility model is not specially limited for the quantity of core model 1, can be 1 and more than, can be according to specific
Experiment condition is rationally set.In specific implementation process, all core models 1 are clamped and fixed by core holding unit 2.
Under normal circumstances, core model 1 has cecum 11, fluid intake 12 and fluid issuing 13, wherein, fluid intake 12
Connected respectively with cecum 11 with fluid issuing 13, as shown in Figure 2.
As described above, the utility model provides a kind of simulation CO2System of the gas drive to the microcosmic displacement process of cecum oil.It is so-called
Cecum 11, be common displacement means involve less than region, and the size of cecum 11 is micron order, and generally 1~1000 is micro-
Rice；So-called cecum oil, refers to have passed through common displacement, such as water drive, nitrogen foam drive, surfactant flooding, postpolymer flood,
The crude oil still remained in cecum 11.
The utility model is not specially limited for the quantity of cecum 11 in each core model 1, specifically, each rock core
Model 1 can have a cecum 11, it is possibility to have the cecum 11 of two or more closing, can be according to the actual feelings of oil well cecum of simulation
Condition and experiment purpose are rationally set.As shown in Fig. 2 in the embodiment, core model 1 has 3 cecums 11.
The utility model is not specially limited for the shape of cecum 11, for example the section of cecum 11 can assume diamond in shape, square
Shape, triangle or other shapes, it will be understood that the shape of cecum 11 can rationally be set according to the actual conditions of the oil well cecum of simulation
Meter.In the embodiment of the utility model one, the section of cecum 11 is rhombus, i.e. the section of cecum 11 is 2 and set relatively
The triangle put is oppositely arranged, as shown in Figure 2.
The utility model is not specially limited for the preparation method of core model 1, can use the conventional side in this area
Prepared by formula, for example obtained after further treatment after can gathering rock core, can also be made using lucite.In the utility model one
In embodiment, the preparation method of core model 1 includes the step of order below is carried out：
The first groove and the first import connected with the first groove and first outlet are etched on the first lucite, its
In the shape of the first groove can be triangle, rectangle or other shapes；
The second groove and the second import connected with the second groove and second outlet are etched on the second lucite, the
Two grooves, the second import and second outlet are matched and are oppositely arranged with the first groove, the first import and first outlet respectively；
First lucite and the second lucite are oppositely arranged and pasted, core model 1 is made；Wherein, first
Groove and the second groove form the cecum 11 of core model 1, and the first import and the second import form the fluid intake of core model 1
12, first outlet and second outlet form the fluid issuing 13 of core model 1.
The utility model is not specially limited for temperature-adjusting device 3, the conventional means in this area can be used, by rock core
The temperature adjustment of model 1 is to analog temperature, for example can select to use the heater supporting with core holding unit 2.In this reality
With in a new embodiment, refer to Fig. 1, temperature-adjusting device 3 includes heating and thermal insulation set (not shown) and temperature control box
31, wherein heating and thermal insulation set encloses the outside for being located at core holding unit 2, and temperature control box 32 is connected with heating and thermal insulation set, added by regulation
The temperature of hot muff, by the temperature adjustment of core model 1 to analog temperature.
The utility model is also not specially limited for pressure-regulating device 4, can use the conventional means in this area, will
The pressure of core model 1 is adjusted to simulated pressure.It is appreciated that the pressure of core model 1 should simulate the residing ground of actual rock core
The pressure of layer environment, it is generally the case that simulated pressure includes lithostatic pressure and strata pressure.It is embodied in the utility model one
In mode, Fig. 1 is refer to, ring pressure fluid cavity 21 is formed between core model 1 and core holding unit 2, by setting and ring pressure
The confined pressure adjuster 41 that fluid cavity 21 connects, for example constant-flux pump may be selected, confined pressure adjuster 41 presses fluid cavity 21 to give rock by ring
Heart model 1 applies confined pressure, i.e. lithostatic pressure.For strata pressure, it can be coordinated by back pressure regulator 42 and back-pressure valve 43
Realize the regulation and control of strata pressure.Specifically, back pressure regulator 42 is connected by pipeline with core model 1, back-pressure valve 43
It is arranged on pipeline.
Analogue means 5 described in the utility model, effect are to make core model 1 reach simulated formation state.At this
In the embodiment of utility model one, Fig. 1 and Fig. 3 are refer to, analogue means 5 includes being used to inject into core model 1 satisfying
With the saturation water injecting device 51 of water, and the crude oil injection device 52 for the injection crude oil into core model 1.Specifically,
Saturation water injecting device 51 includes saturation water intermediate receptacle 54, is internally provided with piston (not shown), is externally connected to constant-flux pump
7, constant-flux pump 7 can promote piston to move, so that the saturation water being contained in saturation water intermediate receptacle 54 is injected into core model 1
In, make to be saturated water inside core model 1 and fill up；Crude oil injection device 52 includes crude oil intermediate receptacle 53, is internally provided with living
Fill in (not shown), be externally connected to constant-flux pump 7, constant-flux pump 7 can promote piston to move, so that being contained in crude oil intermediate receptacle 53
In crude oil be injected into core model 1, until rock core by mother oil displacement to water state is fettered, so as to reach simulated formation shape
State.
It is appreciated that during saturation water and crude oil is injected into core model 1, in order to ensure mother oil displacement to beam
Tie up water state, it should inject excessive saturation water and crude oil, just can ensure that core model 1 reaches simulated formation state.In this reality
With in a new embodiment, above-mentioned simulation CO2Gas drive still further comprises to the system of the microcosmic displacement process of cecum oil
The liquid trap 9 connected with core model 1, specifically, liquid trap 9 connects with the fluid issuing 13 of core model 1.Excessive saturation
Water and excessive crude oil are discharged by the fluid issuing 13 of core model 1 and collected by liquid trap 9.
The utility model is for CO2The structure of injection device 6 is not specially limited, as long as it can be into core model 1
The CO of injection experimentses amount2Fluid, and accurately control CO2The injection rate of fluid.In the embodiment of the utility model one
In, it refer to Fig. 1, CO2Injection device 6 includes CO2Intermediate receptacle 61, piston (not shown) is internally provided with, is externally connected to flat
Pump 7 is flowed, constant-flux pump 7 can promote piston to move, so that being stored in CO2CO in intermediate receptacle 612Fluid passes through core model 1
In fluid intake 12 be injected into cecum 11, and can pass through constant-flux pump 7 promote piston speed control CO2The injection of fluid
Speed.
Further, can also be in CO2Drier 62 is set between intermediate receptacle 61 and core model 1, to realize to CO2
The drying process of fluid.
Further, flowmeter 63 can also be set between drier 62 and core model 1, with accurate measurement CO2Stream
The injection rate of body.
In the embodiment of the utility model one, said system is still further comprised for gathering CO2Displacement cecum
The image collecting device 8 of oily process.By IMAQ method to CO2The process of displacement cecum oil is acquired record, after convenient
Continue to CO2The effect of displacement cecum oil is evaluated and analyzed.
Further, in addition to image collecting device 8 display device 81 being connected, by CO2The mistake of displacement cecum oil
Cheng Jinhang is intuitively shown.
Further, in addition to lighting device 82, light source is provided for image collecting device 8, it is preferably clear to obtain having
The image effect of degree.
The utility model does not do particular determination for image collecting device 8, as long as it can be to CO2The mistake of displacement cecum oil
Journey is acquired, for example microimaging head can be used.
Specifically, simulate CO using said system2Gas drive is to the method for the microcosmic displacement process of cecum oil, including following step
Suddenly：
1) temperature and pressure of core model 1 is adjusted to analog temperature and simulated pressure respectively；
2) saturation water is injected into core model 1, is subsequently injected into crude oil, until reaching simulated formation state；
3) CO is injected into core model 12, simulate CO2The process of displacement cecum oil.
The utility model is not specially limited for analog temperature, formation temperature can rationally be set according to residing for specific rock core
Put, it is generally the case that analog temperature is 20~120 DEG C.In the embodiment of the utility model one, in core holding unit 2
Outside be provided with heating and thermal insulation set, temperature control box 32 connects with heating and thermal insulation set, by adjusting the temperature of temperature control box 32, with control
The temperature of core model 1 reaches analog temperature, such as 80 DEG C or so.
The utility model is not specially limited for simulated pressure, ground environment can rationally be set according to residing for specific rock core
To put, it is generally the case that simulated pressure includes lithostatic pressure and strata pressure, wherein, lithostatic pressure is 0~16MPa；The stratum
Pressure is 0~16MPa.In the embodiment of the utility model one, ring is formed between core model 1 and core holding unit 2
Fluid cavity 21 is pressed, by setting the confined pressure adjuster 41 for pressing fluid cavity 21 to connect with ring, presses fluid cavity 21 to give rock core mould by ring
Type 1 applies confined pressure, lithostatic pressure is reached 10.5MPa, stable about 12 hours, the pressure in ring pressure fluid cavity 21 is kept steady
It is fixed；The back pressure regulator 42 connected with core model 1 is then turned on, and opens back-pressure valve 43, is laminated the ground in core model 1
Power reaches 10MPa.
After the temperature and pressure of core model 1 respectively reaches analog temperature and simulated pressure, you can into core model 1
Saturation water is injected, saturation water is entered cecum 11 by the fluid intake 12 in core model 1, and fills full cecum 11, then
Crude oil is injected into core model 1, crude oil is entered cecum 11 by the fluid intake 12 in core model 1, until rock core quilt
Mother oil displacement reaches simulated formation state to water state is fettered.
In the embodiment of the utility model one, the constant-flux pump 7 being connected with saturation water intermediate receptacle 54 is first turned on,
It is promoted the piston in saturation water intermediate receptacle 54, so as to which saturation water is injected into core model 1, make core model 1
Cecum 11 is saturated water and filled up, and excessive saturation water will pass through fluid issuing 13 and enter liquid trap 9；Then open with crude oil among
The constant-flux pump 7 that container 53 connects, it is set to promote the piston in crude oil intermediate receptacle 53, so as to by the original in crude oil intermediate receptacle 53
Oil is injected into core model 1, and controls crude oil injection rate, such as 0.05mL/min or so, until rock core is by mother oil displacement
To constraint water state, excessive crude oil will be collected by liquid trap 9.
The utility model is not specially limited for saturation water used in the above method, specifically real in the utility model one
Apply in mode, selected saturation water is stratum water.
When core model 1 reaches simulated formation state, you can inject CO into core model 12Fluid, simulate CO2Displacement is blind
Hold the process of oil.The utility model is to CO2The injection rate of fluid is not specially limited, and can rationally be set according to specific experiment condition
Put, and by adjusting CO2The parameters such as the injection rate and injection rate of fluid, observe simultaneously comparative analysis difference CO2Fluid injection rate and
Charge velocity is to the oily Flooding Efficiency of cecum, so as to obtain the process conditions of optimal coefficient of mining.It is specifically real in the utility model one
Apply in mode, opening and CO2The constant-flux pump 7 that intermediate receptacle 61 connects, it is set to promote CO2Piston in intermediate receptacle 61, so that will
CO2Fluid is injected into core model 1, in the process, CO2Fluid is dried by drier 62, and its specific injection rate can lead to
Excessively stream gauge 63 is measured, usual CO2The injection rate of fluid can maintain 0.01mL/min~0.10mL/min.
In simulation CO2, can also be further by image collecting device 8 to whole displacement during displacement cecum oil
Journey is acquired, because the size of cecum 11 is micron order, so can be to CO under the conditions of microcosmic2Displacement of the gas drive to cecum oil
Journey is acquired, and said process can intuitively be shown by display device 81, therefore being capable of Analysis for CO2Gas drive improves
The Flooding Efficiency of HTHP oil well cecum residual oil, can also intuitively observe CO2With HTHP oil well cecum residual oil
Interaction mechanism.Therefore, it is used to evaluate CO using provided by the utility model2Gas drive to the system of cecum oil Flooding Efficiency,
Can be to CO2Flooding Efficiency carries out evaluation analysis, and then can obtain CO2The mechanism of displacement cecum oil, is CO2Displacement cecum oil
Theoretical direction is provided.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (7)
1. a kind of simulate system of the carbon dioxide gas drive to the microcosmic displacement process of cecum oil, for the cecum oil in core model
Carry out displacement, it is characterised in that including：
For clamping the core holding unit of core model；
For by the temperature-adjusting device of the temperature adjustment of core model to analog temperature；
For the pressure of core model to be adjusted to the pressure-regulating device of simulated pressure；
For making core model reach the analogue means of simulated formation state；
For injecting CO into core model2CO2Injection device.
2. system according to claim 1, it is characterised in that also include being used to gather CO2The image of displacement cecum oil process
Harvester.
3. system according to claim 1 or 2, it is characterised in that the analogue means includes being used for into core model
The saturation water injecting device of saturation water is injected, and for injecting the crude oil injection device of crude oil into core model.
4. system according to claim 1 or 2, it is characterised in that the core model has cecum, fluid intake and stream
Body exports, and the fluid intake and fluid issuing connect with the cecum respectively.
5. system according to claim 1 or 2, it is characterised in that also include the liquid trap connected with the core model.
6. system according to claim 1 or 2, it is characterised in that the CO2Injection device includes being used to store CO2's
CO2Intermediate receptacle,
The CO2Intermediate receptacle is connected with the core model.
7. system according to claim 6, it is characterised in that in the CO2It is provided between intermediate receptacle and core model
Drier.
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| CN201720515611.9U CN206957670U (en) | 2017-05-10 | 2017-05-10 | It is a kind of to simulate system of the carbon dioxide gas drive to the microcosmic displacement process of cecum oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720515611.9U CN206957670U (en) | 2017-05-10 | 2017-05-10 | It is a kind of to simulate system of the carbon dioxide gas drive to the microcosmic displacement process of cecum oil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868709A (en) * | 2017-05-10 | 2018-11-23 | 中国石油天然气股份有限公司 | A kind of simulation CO2System and method of the gas drive to the microcosmic displacement process of cecum oil |
| CN111594159A (en) * | 2020-06-12 | 2020-08-28 | 西南石油大学 | Device and method for testing flow line distribution in seepage process |
| CN114753816A (en) * | 2021-01-08 | 2022-07-15 | 中国石油天然气股份有限公司 | Secondary foam oil seepage experiment device and method in heavy oil reservoir and controller |
| CN117090544A (en) * | 2023-10-19 | 2023-11-21 | 西安石油大学 | Carbon dioxide distribution monitoring simulation system |
-
2017
- 2017-05-10 CN CN201720515611.9U patent/CN206957670U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868709A (en) * | 2017-05-10 | 2018-11-23 | 中国石油天然气股份有限公司 | A kind of simulation CO2System and method of the gas drive to the microcosmic displacement process of cecum oil |
| CN111594159A (en) * | 2020-06-12 | 2020-08-28 | 西南石油大学 | Device and method for testing flow line distribution in seepage process |
| CN114753816A (en) * | 2021-01-08 | 2022-07-15 | 中国石油天然气股份有限公司 | Secondary foam oil seepage experiment device and method in heavy oil reservoir and controller |
| CN114753816B (en) * | 2021-01-08 | 2023-09-26 | 中国石油天然气股份有限公司 | Secondary foam oil seepage experimental device, method and controller in heavy oil reservoir |
| CN117090544A (en) * | 2023-10-19 | 2023-11-21 | 西安石油大学 | Carbon dioxide distribution monitoring simulation system |
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