CN203808987U - Two-dimensional visual sand filling model for simulating in-layer heterogeneity and two-dimensional visual seepage test device - Google Patents
Two-dimensional visual sand filling model for simulating in-layer heterogeneity and two-dimensional visual seepage test device Download PDFInfo
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- CN203808987U CN203808987U CN201420234885.7U CN201420234885U CN203808987U CN 203808987 U CN203808987 U CN 203808987U CN 201420234885 U CN201420234885 U CN 201420234885U CN 203808987 U CN203808987 U CN 203808987U
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Abstract
The utility model discloses a two-dimensional visual sand filling model for simulating in-layer heterogeneity and a two-dimensional visual seepage test device. The two-dimensional visual sand filling model comprises a base plate and a cover plate which are made of transparent materials. The base plate is matched with the surface of the cover plate in a sealed manner. A sealing rubber pad is disposed between the base plate and the cover plate. The cavity between the sealing rubber pad and the cover plate is an enclosing and pressing cavity. The cavity between the sealing rubber pad and the base plate is a filling cavity. Three sand filling grooves are parallelly formed in the base plate. The sand filling grooves are arranged along the width direction of the base plate. One end of each sand filling groove is provided with a liquid inlet, and the other end thereof is provided with a liquid outlet. The two-dimensional visual seepage test device comprise a pressure supply module, a pressure data collecting module, an image acquisition module, an injection module, the two-dimensional visual sand filling model and a measuring module. When the two-dimensional visual seepage test device is used, core sandstone particles or quartz sandstone of different particle sizes are filled in the sand filling grooves to form seepage differences of layers, and different sand filling combination can be performed according to needs to simulate various heterogeneity oil reservoirs.
Description
Technical field
The utility model relates to a kind of for simulating the experimental facilities of fluid at oil reservoir seepage flow, is specifically related to a kind of two dimensional visible sandpack column and two dimensional visible seepage experimental apparatus of simulating in-layer heterogeneity.
Background technology
The core of reservoir study is reservoir heterogeneity.Reservoir Journal of Sex Research be exploration of oil and gas field with exploitation geological research in important element task, in domestic many oil fields have all entered at present-high water-cut stage and fall term in the situation that, it is particularly important that the research seems.Reservoir heterogeneity reduces water drive or chemical flooding sweep efficiency, thereby causes ultimate recovery lower, causes the invalid circulation of water filling or injecting.Therefore, oil displacement efficiency and the percolation law of water drive or chemical flooding in understanding heterogeneous reservoir, for research and development, evaluation and the screening of chemical oil displacement agent, further improving oil recovery factor provides theoretical foundation.
The non-homogeneity research of reservoir mainly comprises heterogeneous body research in interlayer and layer.The research of heterogeneity is simpler, adopts rock core or sandpipe parallel connection more, and injection-production method and metering all easily realize.The interior heterogeneous research of layer is less, and subject matter is to lack the model of heterogeneous body situation in suitable simulation layer.Current method has: 1. form a heterogeneous core by the rock core compacting of different permeabilities and with epoxide-resin glue, shortcoming is intuitively to observe, cannot simulated formation burden pressure, can not realize stratified stoichiometric, the oil displacement efficiency that can only measure multilayer rock core model entirety changes; 2. the rock core of different permeabilities compacting carry out displacement test in multiple-lay core gripper, in some special multiple-lay core gripper, can realize simulation oil field and close heterogeneous body water drive oil Changing Pattern in note separate zone production middle level, but cannot solve visualization problem, can not directly observe fluid seepage flow situation of change in non-homogeneous porous medium in layer.The solution thinking of another kind of displacement test model is to adopt visual dull and stereotyped burning into sand model or glass etching model, solve visualization problem, but because the dull and stereotyped burning into sand difficulty of non-homogeneity is large, glass etch technique requires high, lacks at present visual dull and stereotyped sandpack column and the glass etching model for in-layer heterogeneity research.
Above experimental facilities all closes to note to close for simulation oil field well pattern adopts, closes the point-to-point injection-production relation that note point is adopted, and after long-term waterflooding extraction, near wellbore zone oil-containing is less, remaining oil is mainly distributed in the area that oil deposit deep part and non-homogeneity are relatively given prominence to, thus need to develop a kind of for imitation oil displacement experiment system the two dimensional visible seepage experimental apparatus at in-layer heterogeneity earth formation deep seepage flow.
Utility model content
The purpose of this utility model is to provide a kind of two dimensional visible sandpack column and two dimensional visible seepage experimental apparatus of simulating in-layer heterogeneity, this experimental facilities can simulation layer in heterogeneous body situation and true formation overburden pressure, and arrive computer by high-definition camera Real-time Collection transmitting image and data, can intuitively dynamically observe the seepage flow situation of change of oil displacement system in model, accurately reflect the sweep efficiency difference of different oil displacement systems.
First the utility model provides a kind of two dimensional visible sandpack column of simulating in-layer heterogeneity, it comprises a base plate and a cover plate, described base plate and described cover plate are made by transparent material, described base plate coordinates with the face seal of described cover plate, and be provided with a seal gasket between described base plate and described cover plate, cavity between described seal gasket and described cover plate is confined pressure chamber, and the cavity between described seal gasket and described base plate is for filling chamber;
3 the back-up sand grooves that be arranged in parallel on described base plate, described back-up sand groove is arranged along the width of described base plate; One end of described back-up sand groove is provided with inlet, and the other end is provided with liquid outlet.
In above-mentioned two dimensional visible sandpack column, can in described back-up sand groove, insert the rock core sandstone particle of different-grain diameter or the in-layer heterogeneity sandpack column that quartz sand combines to form the different permeabilities of simulation as required.
In above-mentioned two dimensional visible sandpack column, between adjacent described back-up sand groove, be provided with fluid passage, fluid communication between the permeable formation that described fluid passage can ensure to form in described back-up sand groove and can not cause the migration of sand, can simulate heterogeneous body situation in the layer of actual reservoir.
In above-mentioned two dimensional visible sandpack column, the inlet end in described back-up sand groove on described base plate is provided with a guiding gutter; Between described guiding gutter and described back-up sand groove, be evenly carved with fluid passage;
Described inlet is connected with described guiding gutter; Described guiding gutter can ensure that oil displacement system evenly advances along the cross section of the permeable formation forming in described back-up sand groove, and accurately imitation oil displacement experiment system is in the seepage flow situation of earth formation deep.
In above-mentioned two dimensional visible sandpack column, one end of each described back-up sand groove be equipped with one described in liquid outlet, and described liquid outlet is parallel with the length direction of described back-up sand groove, the described liquid outlet of above-mentioned setting can make the to flow through displacing fluid of the permeable formation that forms in described back-up sand groove flows out from different outlets respectively, realize layering and measure, can accurately react different oil displacement systems Changing Pattern of seepage flow in non-homogeneous model in layer.
In above-mentioned two dimensional visible sandpack column, described guiding gutter is provided with a washing lotion outlet, and in the time alternately injecting fluid, the Valved discharge that can open described washing lotion outlet rinses unnecessary liquid in described guiding gutter.
In above-mentioned two dimensional visible sandpack column, described cover plate is provided with a pressurization mouth, and described pressurization mouth is connected with described confined pressure chamber, and described pressurization mouthful is used for described confined pressure chamber to apply confined pressure.
In above-mentioned two dimensional visible sandpack column, described base plate and described cover plate specifically can be made up of PMMA; Between described base plate and described cover plate, be provided with sealing ring, to strengthen sealing between the two.
The utility model further provides a kind of two dimensional visible seepage experimental apparatus of simulating in-layer heterogeneity, and it comprises for die block, pressure data acquisition module, image capture module, injection module, described two dimensional visible sandpack column and metering module;
The described die block that supplies comprises air compressor machine and is attached thereto several logical gas cylinder I;
Described injection module comprises several fluid reservoirs or establishes graduated pipeline, and the arrival end of described fluid reservoir or described pipeline is connected with described gas cylinder I, and its port of export is connected with inlet described in described two dimensional visible sandpack column;
Described in described two dimensional visible sandpack column, liquid outlet is connected with described metering module;
Pressure data acquisition module comprises several pressure sensors and the computer being attached thereto, and described pressure sensor is located at the port of export of described gas cylinder I;
Described image capture module comprises high-definition camera, LED light source and computer, and described high-definition camera is connected with described computer; Described LED light source is located at the below of base plate described in described two dimensional visible sandpack column, and described high-definition camera is located at the top of cover plate described in described two dimensional visible sandpack column.
In two dimensional visible seepage experimental apparatus of the present utility model, described two dimensional visible seepage experimental apparatus also comprises that one covers die block, the described die block that covers comprises a gas cylinder II, and described gas cylinder II is connected with confined pressure mouth described in described gas cylinder I and the visual sandpack column of described dimension respectively.
The utlity model has following beneficial effect:
(1) rock core sandstone particle or the quartz sand of in each back-up sand groove, inserting different-grain diameter form the permeability contrast between each layer, can carry out as required different back-up sand combinations to simulate multiple heterogeneous reservoir;
(2) be located at that fluid passage between back-up sand groove can ensure fluid communication between each permeable formation and the migration that can not cause sand, can simulate heterogeneous body situation (as Fig. 4) in the layer of actual reservoir;
(3) adopt the additional confined pressure of sealing ring and seal gasket (air pressure), simulated formation burden pressure, can realize complete homogeneous (displacing front advances evenly, as Fig. 4);
(4) sample introduction guiding gutter can ensure that oil displacement system evenly advances at each permeable formation cross section, and imitation oil displacement experiment system is in the seepage flow situation of earth formation deep;
(5) PMMA panel light transmission rate is high, can intuitively dynamically observe the seepage flow Changing Pattern of oil displacement system in in-layer heterogeneity sandpack column, is convenient to record displacing front progradation;
(6) can make the to flow through displacing fluid of each permeable formation flows out from different outlets respectively, realizes layering and measures, and can accurately react different oil displacement systems Changing Pattern of seepage flow in non-homogeneous model in layer.
Brief description of the drawings
Fig. 1 is the lateral view of the two dimensional visible sandpack column of the utility model simulation in-layer heterogeneity.
Fig. 2 is the top view of the two dimensional visible sandpack column base plate of the utility model simulation in-layer heterogeneity.
Fig. 3 is the structural representation of the two dimensional visible seepage experimental apparatus of the utility model simulation in-layer heterogeneity.
Fig. 4 is the process schematic diagram of fluid seepage flow in the two dimensional visible sandpack column of the utility model simulation in-layer heterogeneity.
Fig. 5 is different oil displacement system model oil saturations decline contrasts (0.3PV).
In figure, each mark is as follows:
A covers die block, F two dimensional visible sandpack column, G metering module, 1 base plate, 2 cover plates, 3 pressurization mouths, 4 sealing rings, 5 seal gaskets, 6 confined pressure chambeies, 7 filling chambeies, 8 screwed holes, 9 inlets, 10 washing lotion outlets, 11 liquid outlets, 12 back-up sand grooves, 13 fluid passages, 14 guiding gutters for die block, B pressure data acquisition module, C image capture module, D injection module, E.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further, but the utility model is not limited to following examples.
As depicted in figs. 1 and 2, the two dimensional visible sandpack column of the simulation in-layer heterogeneity providing for the utility model, it comprises base plate 1 and cover plate 2, is rectangular PMMA panel.Base plate 1 and cover plate 2 coordinate (screwed hole 8 is located on base plate 1) by bolt seal.For both are sealed and matched, between base plate 1 and panel 2, be provided with sealing ring 4.
As shown in Figure 1, between base plate 1 and cover plate 2, be provided with a seal gasket 5, between sealing rubber cushion 5 and cover plate 2, form a confined pressure chamber 6, between sealing rubber cushion 5 and base plate 1, form one and fill chamber 7, can be used for filling rock core sandstone particle or quartz sand.
As shown in Figure 2, on base plate 1, be provided with 3 rectangle back-up sand grooves 12 that be arranged in parallel, and between 3 back-up sand grooves 12, be provided with evenly fine and closely woven fluid passage 13, fluid communication between the permeable formation that can ensure to form in back-up sand groove and can not cause the migration of sand.Be provided with a guiding gutter 14 in one end of back-up sand groove 12, and be also connected by fluid passage between guiding gutter 14 and back-up sand groove 12, can ensure that oil displacement system evenly advances along the cross section of the permeable formation forming in back-up sand groove, accurately imitation oil displacement experiment system is in the seepage flow situation of earth formation deep.On the sidewall of guiding gutter 14, be provided with 3 inlets 9, an end away from the back-up sand groove 12 of guiding gutter 14 is provided with liquid outlet 11, and be equipped with a corresponding liquid outlet at the end of each back-up sand groove 12, liquid outlet 11 is parallel with the length direction of back-up sand groove 12, the displacing fluid of the permeable formation that forms in back-up sand groove of can making like this to flow through flows out from different outlets respectively, realize layering and measure, can accurately react different oil displacement systems Changing Pattern of seepage flow in non-homogeneous model in layer.
As shown in Figure 2, be provided with a washing lotion outlet 10 on the sidewall of guiding gutter, in the time alternately injecting fluid, the Valved discharge that can open washing lotion outlet 10 rinses the interior unnecessary liquid of guiding gutter 14.As shown in Figure 1, be provided with a pressurization mouth 3 on cover plate 2, this pressurization mouth 3 is connected with confined pressure chamber 6, for described confined pressure chamber is applied to confined pressure.
As shown in Figure 3, the two dimensional visible seepage experimental apparatus of the simulation in-layer heterogeneity providing for the utility model, it comprises voltage supply modules A, pressure data acquisition module B, image capture module C, injection module D, covers die block E, two dimensional visible sandpack column F and metering module G.
Voltage supply modules A is by an air compressor machine and be attached thereto logical gas cylinder I (not marking in figure), the high pressure that air compressor machine provides obtains different pressure through reducing valve control in gas cylinder I, for injecting, fluid provides power, pressure control range: 0～6MPa, flow rates: 0～20m/d.
Injection module D comprises fluid reservoir (not marking in figure), the arrival end of this fluid reservoir is connected with gas cylinder I, inlet 9 in the two dimensional visible sandpack column that its port of export provides with the utility model is connected, the G that is connected with metering module of the liquid outlet 11 in two dimensional visible sandpack column; Metering module G can measure respectively the fluid situation of each permeable formation, as water breakthrough period, point liquid measure and accumulative total produce oil/production fluid amount etc.
Pressure data acquisition module B comprises pressure sensor and the computer that is attached thereto (in figure not mark), and pressure sensor is located at the port of export of gas cylinder I, force value that can each gas cylinder I outlet of Real-Time Monitoring.
Image capture module C comprises high-definition camera, LED light source and computer (in figure, not marking), and wherein high-definition camera is connected with computer; LED light source be located at base plate 1 in two dimensional visible sandpack column under, high-definition camera be located at two dimensional visible sandpack column cover plate 2 directly over, can the seepage flow image of Real-time Collection fluid in sandpack column, in monitoring sandpack column, oil saturation changes.
Cover die block E and comprise the gas cylinder II with reducing valve, gas cylinder II is connected with confined pressure mouth 3 in gas cylinder I and two dimensional visible sandpack column respectively, and can be sandpack column provides the dimension of different sizes to press, simulated formation burden pressure, voltage supply scope: 0～10MPa.
While using two dimensional visible seepage experimental apparatus of the present utility model, except image capture module C, other module is connected by stainless steel pipeline or the flexible pipe that can bear certain pressure.
While testing the two dimensional visible sandpack column permeability of in-layer heterogeneity with the utility model two dimensional visible seepage experimental apparatus, can carry out according to following step:
The interior quartz sand of filling respectively different-grain diameter of 3 back-up sand grooves 12 at the two dimensional visible sandpack column of in-layer heterogeneity: quartz sand used is 60～80 orders, 160～180 orders and three kinds of particle diameter quartz sands of >220 object.
After often filling out one deck sand, strike off compacting, until fill back-up sand groove 12, cover seal gasket 5, sealing ring 4 and cover plate 2, tighten fixed screw, add confined pressure 1MPa, according to the experimental facilities that has been linked in sequence shown in Fig. 3.
Simulated formation mineralized water, salinity is 9374.13mg/L.
Open voltage supply modules A and injection module D, with the saturated target reservoir of the driving pressure stratum mineralized water of 15KPa, can survey the permeability of each permeable formation in model, the process schematic diagram of seepage flow as shown in Figure 4.
By three repeated experiment checkings, the permeability of each permeable formation of sandpack column has good permeability reappearance and stability, and permeability error is less than 10%, and design parameter is as shown in table 1.
The basic, normal, high permeable formation permeability of table 1 assay
While carrying out the two dimensional visible Seepage Experiment of in-layer heterogeneity with the utility model two dimensional visible seepage experimental apparatus, can carry out according to following step:
1, experiment condition
(1) experiment oil displacement system: two kinds of oil displacement systems with differences in rheology are chosen in experiment, being respectively concentration is AP-P4 solution (the AP-P4 hydrophobic associated polymer dry powder of 500mg/L, solid content is 90%, relative molecular weight is 9,780,000, light Asia, Sichuan provides) and 70% glycerine (molecular weight is 92.09, analyze pure, Chengdu Ke Long chemical reagent factory).Adopt the CP75 cone-plate system of MCR301 flow graph (German Anton paar) to carry out shearing rate scan test (probe temperature is 25 DEG C) to testing sample, above rheological characteristic experimental analysis is found, is 25.2s in shear rate
-1time, the viscosity approximately equal of two kinds of oil displacement systems, design parameter is as shown in table 2.
The parameter of table 2AP-P4 and glycerine
(2) experimental model: in the two dimensional visible sandpack column of in-layer heterogeneity, the permeability of 3 permeable formations is respectively 1.08 μ m
2, 2.30 μ m
2with 4.30 μ m
2, each back-up sand groove 12 length, width and height are 100 × 20 × 2mm;
(3) experimental water: simulated formation mineralized water, salinity is 9374.13mg/L;
(4) oil for experiment: Bohai Sea SZ36-1 crude oil and aviation kerosine 7:2 mixed preparing by volume, viscosity is 70mpa.s;
2, experimental procedure
(1) use the two dimensional visible seepage experimental apparatus of in-layer heterogeneity shown in Fig. 3, with the saturated stratum of the driving pressure mineralized water of 15KPa, the then simulated oil taking the saturated viscosity of driving pressure of 30KPa as 70mpa.s;
(2) controlling the shear rate of oil displacement system in two dimensional visible sandpack column is 25.2s
-1, according to the AP-P4 solution parameter of two dimensional visible sandpack column and 500mg/L, calculate the injection flow of the AP-P4 solution Seepage Experiment of 500mg/L with formula (a);
In above-mentioned formula (a): Q---inject flow, ml/s;
N---power law index, dimensionless;
γ---shear rate, s
-1;
A---cross-sectional area, cm
2;
K---model mean permeability, 1 × 10
-6μ m
2;
---model degree of porosity, %;
(3) carry out the AP-P4 solution Seepage Experiment of 500mg/L with the injection flow calculating, utilize image capture module C to gather the picture pixel monochrome information of picture and each permeable formation every 30 seconds simultaneously, and according to the statistics of the pixel number collecting and corresponding color range value, calculate permeable formation brightness and increase percentage, the oil saturation obtaining in back-up sand groove 12 changes, and records the situation of change of fluid displacing front;
(4) in model, oil saturation changes while tending towards stability and finishes experiment, injects volume and is no less than 0.6PV;
(5) repeat experimental procedure (1), equally with shear rate 25.2s
-1be as the criterion, according to the glycerine parameter of two dimensional visible sandpack column and 70%, use the injection flow of the glycerine Seepage Experiment of formula (a) calculating 70%;
(6) carry out the Seepage Experiment of 70% glycerine with the injection flow calculating, utilize image capture module C to gather the picture pixel monochrome information of picture and each permeable formation every 30 seconds simultaneously, and according to the statistics of the pixel number collecting and color range value, calculate permeable formation brightness and increase percentage, the oil saturation that obtains back-up sand groove 12 interior each permeable formations changes, and records the situation of change (being the position of displacing front in model) of fluid displacing front;
(7) in two dimensional visible sandpack column, oil saturation changes while tending towards stability and finishes experiment, injects volume and is no less than 0.6PV.
When above-mentioned AP-P4 and two kinds of oil displacement system Seepage Experiments of glycerine, in two dimensional visible sandpack column, oil saturation result of variations is as shown in table 3.
Different oil displacement system model oil saturations decline contrast (0.3PV) as shown in Figure 5.
Table 3 oil saturation decline analysis result
In table 3, the low oily petition of surrender shows the ratio that in less permeable layer, oil saturation declines, and the middle oily petition of surrender shows the ratio that in middle permeable formation, oil saturation declines, and the high oily petition of surrender shows the ratio that in high permeability zone, oil saturation declines;
Height represents the difference of high permeability zone oil saturation down ratio between less permeable layer, in the difference of permeable formation oil saturation down ratio between less permeable layer in low expression;
Spread represents the variation difference of Seepage Experiment front and back oil saturation.
The position of displacing front by directly dynamically observing oil displacement system in two dimensional visible sandpack column, just arrives outlet as terminal taking high permeability zone fluid displacement leading edge, records and calculate the volumetric sweep efficiency of 2 kinds of oil displacement systems in model, as shown in table 4.
Table 4 non-homogeneity sandpack column sweep efficiency
Can be learnt by the data in above-mentioned table 3 and table 4, the non-Newtonianism of oil displacement system affects the sweep efficiency of oil reservoir, shows as power-law exponent less, and oil displacement system is higher to heterogeneous reservoir sweep efficiency in layer.
Claims (8)
1. simulate the two dimensional visible sandpack column of in-layer heterogeneity for one kind, it is characterized in that: described two dimensional visible sandpack column comprises a base plate and a cover plate, described base plate and described cover plate are made by transparent material, described base plate coordinates with the face seal of described cover plate, and be provided with a seal gasket between described base plate and described cover plate, cavity between described seal gasket and described cover plate is confined pressure chamber, and the cavity between described seal gasket and described base plate is for filling chamber;
3 the back-up sand grooves that be arranged in parallel on described base plate, described back-up sand groove is arranged along the width of described base plate; One end of described back-up sand groove is provided with inlet, and the other end is provided with liquid outlet.
2. two dimensional visible sandpack column according to claim 1, is characterized in that: between adjacent described back-up sand groove, be provided with fluid passage.
3. two dimensional visible sandpack column according to claim 1 and 2, is characterized in that: the inlet end in described back-up sand groove on described base plate is provided with a guiding gutter; Between described guiding gutter and described back-up sand groove, evenly scribe fluid passage;
Described inlet is connected with described guiding gutter.
4. two dimensional visible sandpack column according to claim 3, is characterized in that: one end of each described back-up sand groove be equipped with one described in liquid outlet, and described liquid outlet is parallel with the length direction of described back-up sand groove.
5. two dimensional visible sandpack column according to claim 4, is characterized in that: described guiding gutter is provided with a washing lotion outlet.
6. two dimensional visible sandpack column according to claim 5, is characterized in that: described cover plate is provided with a pressurization mouth, and described pressurization mouth is connected with described confined pressure chamber.
7. a two dimensional visible seepage experimental apparatus of simulating in-layer heterogeneity, is characterized in that: described two dimensional visible seepage experimental apparatus comprises for two dimensional visible sandpack column and metering module described in any one in die block, pressure data acquisition module, image capture module, injection module, claim 1-6;
The described die block that supplies comprises air compressor machine and is attached thereto several logical gas cylinder I;
Described injection module comprises several fluid reservoirs or establishes graduated pipeline, and the arrival end of described fluid reservoir or described pipeline is connected with described gas cylinder I, and its port of export is connected with inlet described in described two dimensional visible sandpack column;
Described in described two dimensional visible sandpack column, liquid outlet is connected with described metering module;
Pressure data acquisition module comprises several pressure sensors and the computer being attached thereto, and described pressure sensor is located at the port of export of described gas cylinder I;
Described image capture module comprises high-definition camera, LED light source and computer, and described high-definition camera is connected with described computer; Described LED light source is located at the below of base plate described in described two dimensional visible sandpack column, and described high-definition camera is located at the top of cover plate described in described two dimensional visible sandpack column.
8. two dimensional visible seepage experimental apparatus according to claim 7, it is characterized in that: described two dimensional visible seepage experimental apparatus also comprises that one covers die block, the described die block that covers comprises a gas cylinder II, and described gas cylinder II is connected with confined pressure mouth described in described gas cylinder I and the visual sandpack column of described dimension respectively.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106640048A (en) * | 2016-09-13 | 2017-05-10 | 东北石油大学 | Pressure determining device and method for oil flooding experiment of indoor constant-pressure chemical flooding |
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| CN105096719A (en) * | 2014-05-08 | 2015-11-25 | 中国海洋石油总公司 | Anisotropic two-dimensional visual sand filling model in simulation layer and two-dimensional visual seepage experimental device |
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| CN104594880A (en) * | 2014-11-26 | 2015-05-06 | 中国石油天然气股份有限公司 | Artificial sand filling mould pipe for oil field experiment |
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| CN104675393B (en) * | 2014-12-18 | 2018-04-06 | 四川光亚聚合物化工有限公司 | A kind of rock core displacement control method and system |
| CN104831674A (en) * | 2015-03-12 | 2015-08-12 | 黄河水利委员会黄河水利科学研究院 | Seepage failure hydraulic model |
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| CN105372083B (en) * | 2015-09-15 | 2017-10-17 | 中国海洋石油总公司 | A kind of multi-functional heterogeneous Performance Appraisal System |
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| CN106640048A (en) * | 2016-09-13 | 2017-05-10 | 东北石油大学 | Pressure determining device and method for oil flooding experiment of indoor constant-pressure chemical flooding |
| CN106409114A (en) * | 2016-10-13 | 2017-02-15 | 中国石油化工股份有限公司 | Manufacturing method of low-permeability oil reservoir artificial crack two-dimensional sand-filling model |
| CN106501493A (en) * | 2016-11-03 | 2017-03-15 | 东北石油大学 | A kind of displacement test heterogeneous body self-constant temperature sandpack column and loading method |
| CN106703765A (en) * | 2017-01-09 | 2017-05-24 | 中国科学院理化技术研究所 | Visual artificial sand filling and oil displacing device for adjusting injection and production liquid level and application thereof |
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| CN107703044B (en) * | 2017-10-17 | 2024-02-13 | 中国科学院武汉岩土力学研究所 | Crack soil two-dimensional infiltration flat plate model test device |
| CN108825221A (en) * | 2018-06-01 | 2018-11-16 | 中国海洋石油集团有限公司 | Homogeneous and heterogeneous thick oil pay remaining oil distribution detection device and method in layer |
| CN110541691A (en) * | 2019-09-26 | 2019-12-06 | 中国地质大学（北京） | Visual water displacement experimental device and method for heterogeneous sandstone reservoir |
| CN110609131A (en) * | 2019-10-12 | 2019-12-24 | 中国石油大学(北京) | Core holder |
| CN111589855A (en) * | 2020-05-09 | 2020-08-28 | 北京泷涛环境修复有限公司 | Method and experimental device for repairing petroleum hydrocarbon pollution of heterogeneous aquifer |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: SOUTHWEST PETROLEUM University Co-patentee after: SICHUAN GUANGYA POLYMER CHEMICAL Co.,Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: Southwest Petroleum University Co-patentee before: Sichuan Guangya Polymer Chemical Co.,Ltd. |
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Effective date of registration: 20191217 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: SICHUAN GUANGYA POLYMER CHEMICAL Co.,Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: SOUTHWEST PETROLEUM University Co-patentee before: SICHUAN GUANGYA POLYMER CHEMICAL Co.,Ltd. |
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