CN204677175U - A kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system - Google Patents
A kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system Download PDFInfo
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Abstract
The utility model relates to a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system, it is embedded with the multilayer carbonate rock flat plate model rock core of a gas injection straight well, at least straight production wells of a bite and level acquisition well in comprising, there is the Multilayer flat plate module rock core clamper of inner chamber and exocoel, confined pressure pump, insulating box, piston type container, constant speed and constant pressure pump, source of the gas, backpressure pump, multiple oil and gas gathering metering device, gas flowmeter and pressure measurement device; Multilayer carbonate rock flat plate model rock core is arranged in Multilayer flat plate module rock core clamper inner chamber, Multilayer flat plate module rock core clamper entirety is placed in insulating box, confined pressure pump is connected with Multilayer flat plate module rock core clamper exocoel, gas injection straight well is connected with source of the gas with piston type container, constant speed and constant pressure pump successively by pipeline, every mouthful of production wells is connected with an oil and gas gathering metering device and gas flowmeter respectively, all production wells are connected with backpressure pump simultaneously, and pressure measurement device is separately positioned on the pipeline of close gas injection straight well and production wells well head.
Description
Technical field
The utility model relates to a kind of physical simulation experiment system, particularly relates to one and is applied to Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system in petroleum natural gas exploration field.
Background technology
The vertical heterogeneity of Carbonate Reservoir is strong, oil water relation is complicated, development scheme is different from general clastic oil reservoir, and horizontal well considerably increases the contact area of well and oil reservoir, improve draining efficiency, also increase the chance of boring and meeting reservoir intrinsic fracture, effectively can improve the development effectiveness of Carbonate Reservoir; Carbonate Oil is ensconced waterflooding extraction later stage moisture content and is sharply increased, reservoir remaining oil is high degree of dispersion state, continue waterflooding extraction can not continue to improve original recovery ratio, and injection gas displacement effectively can utilize gravitational differentiation, the attic oil at Carbonate Reservoir top is flushed out from top to bottom, and gas molecule is little, penetrating power strong, easily enters the narrow and small pore throat in stratum and finedraw, drives the residual oil swept water drive and can not feed through to.The research of gas-drive pool development efficiency experimental test procedures refers to the important in-house laboratory investigation that the exploitation of air guide oil reservoirs or water-drive pool development late stage improve recovery ratio, formulate oil reservoir development direction, improve oil recovery effect, and it is very necessary for thus carrying out the research of Carbonate Reservoir horizontal well gas-injection oil displacement experiment.
Existing displacement test mainly contains little rock core displacement test, long core test and three-dimensional sandpack column displacement test, wherein, little rock core displacement test and long core test can not carry out the displacement test research that oil reservoir vertical heterogeneity and different well pattern and well type affect oil displacement efficiency, and three-dimensional sandpack column displacement test can not carry out the displacement test research of high pressure reservoir or compact oil reservoir oil displacement efficiency.Therefore, the experimental technique being applicable to the research of Carbonate Reservoir horizontal well gas-injection oil displacement experiment or experimental system is lacked at present.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of simple to operate, effectively can simulate Carbonate Reservoir horizontal well gas-injection oil displacement process, the Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system of instrument and means is provided for evaluating Carbonate Reservoir horizontal well gas-injection oil displacement efficiency.
For achieving the above object, the utility model takes following technical scheme: a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system, it is characterized in that, this system comprises: be embedded with a bite gas injection straight well in one, the at least multilayer carbonate rock flat plate model rock core of the straight production wells of a bite and the flat production wells of the horizontal saliva of at least one mouth, one has airtight inner chamber and the Multilayer flat plate module rock core clamper of exocoel, one adds confined pressure for giving the inner chamber of described Multilayer flat plate module rock core clamper and keeps the confined pressure pump of constant pressure, one for heating described Multilayer flat plate module rock core clamper and keeping the insulating box of temperature constant, one for storing the piston type container of compression injected gas, one for injecting the constant speed and constant pressure pump of described multilayer carbonate rock flat plate model rock core by the injected gas in described piston type container, one for providing the source of the gas of described injected gas, one for setting the backpressure pump of the oil reservoir produced pressure of described multilayer carbonate rock flat plate model rock core, multiple oil and gas gathering metering device adding up oil pump capacity and accumulative water yield for measuring production wells, multiple gas flowmeter adding up gas output for measuring production wells, with multiple pressure measurement device for measuring well mouth pressure,
Described multilayer carbonate rock flat plate model rock core is arranged in the inner chamber of described Multilayer flat plate module rock core clamper, described Multilayer flat plate module rock core clamper entirety is placed in described insulating box, described confined pressure pump is connected by the exocoel of pipeline with described Multilayer flat plate module rock core clamper, described gas injection straight well by pipeline successively with described piston type container, constant speed and constant pressure pump is connected with source of the gas, every mouthful of described straight production wells is connected with gas flowmeter described in oil and gas gathering metering device and described in respectively by pipeline with level acquisition well, all described straight production wells are connected with described backpressure pump by pipeline with level acquisition well simultaneously, described pressure measurement device is separately positioned near described gas injection straight well, on the pipeline of straight production wells and level acquisition well well head.
Described multilayer carbonate rock flat plate model rock core comprises polylith monolayer carbon Carbonate Rocks flat plate model rock core, and the physical parameter of each described monolayer carbon Carbonate Rocks flat plate model rock core is differing from each other; Described gas injection straight well passes straight through to the monolayer carbon Carbonate Rocks flat plate model rock core of the bottom, and described straight production wells and level acquisition well lead to different monolayer carbon Carbonate Rocks flat plate model rock cores respectively.
Described monolayer carbon Carbonate Rocks flat plate model rock core adopts the representative Carbonate Reservoir standard rock core of physical property to be broken into particle, forms by the method that manually sinters is again cementing.
Described Multilayer flat plate module rock core clamper two ends are respectively arranged with the import and outlet of leading to described Multilayer flat plate module rock core clamper inner chamber.
The highest pressure that bears of described Multilayer flat plate module rock core clamper is 25MPa, and the highest bearing temperature is 100 DEG C.
Described injected gas is natural gas or nitrogen.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system of the present utility model, structure is simple, clear principle, effectively can simulating Carbonate Reservoir horizontal well gas oil displacement process, providing instrument and means for evaluating the exploitation of Carbonate Reservoir horizontal well gas drive.2, the utility model can be widely used in the three-dimensional physical simulation experiment of Carbonate Reservoir injection gas displacement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the perspective view of the utility model multilayer carbonate rock horizontal well flat plate model;
Fig. 3 is the top view of the utility model carbonate rock horizontal well flat plate model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system that the utility model provides, it comprises multilayer carbonate rock flat plate model rock core 1, Multilayer flat plate module rock core clamper 2, confined pressure pump 3, insulating box 4, piston type container 5, constant speed and constant pressure pump 6, source of the gas 7, backpressure pump 8, multiple oil and gas gathering metering device 9, multiple gas flowmeter 10 and multiple pressure measurement device 11.
Wherein, a bite gas injection straight well 12, at least straight production wells of a bite 13 and the flat production wells 14 of the horizontal saliva of at least one mouth is embedded with in multilayer carbonate rock flat plate model rock core 1; Multilayer flat plate module rock core clamper 2 is for having the closed pressure vessel of an inner chamber and an exocoel (not shown), and multilayer carbonate rock flat plate model rock core 1 is arranged in Multilayer flat plate module rock core clamper 2 inner chamber; Confined pressure pump 3 is connected with Multilayer flat plate module rock core clamper 2 exocoel by pipeline 15, adds confined pressure for giving Multilayer flat plate module rock core clamper 2 inner chamber and keeps constant pressure; Multilayer flat plate module rock core clamper 2 entirety is placed in insulating box 4, and insulating box 4 is for heating Multilayer flat plate module rock core clamper 2 and keeping temperature constant.
Gas injection straight well 12 is connected with source of the gas 7 with piston type container 5, constant speed and constant pressure pump 6 successively by pipeline 15, piston type container 5 is for storing the injected gas of compression, constant speed and constant pressure pump 6 is for injecting multilayer carbonate rock flat plate model rock core 1 by the injected gas in piston type container 5, source of the gas 7 is for providing injected gas.
Every mouthful of straight production wells 13 is connected with an oil and gas gathering metering device 9 and a gas flowmeter 10 respectively by pipeline 15, every mouthful of flat production wells 14 of horizontal saliva is also connected with an oil and gas gathering metering device 9 and a gas flowmeter 10 respectively by pipeline 15, oil and gas gathering metering device 9 is for measuring the accumulative oil pump capacity of straight production wells 13 or level acquisition well 14 and accumulative water yield, and gas flowmeter 10 is for measuring the accumulative gas output of straight production wells 13 or level acquisition well 14; All straight production wells 13 and level acquisition well 14 are all connected with backpressure pump 8 by pipeline 15 simultaneously, and backpressure pump 8 is for setting the extraction pressure of multilayer carbonate rock flat plate model rock core 1 oil reservoir.
Pressure measurement device 11 is provided with, for measuring the pressure of well head on the pipeline 15 of gas injection straight well 12, straight production wells 13 and level acquisition well 14 well head.
In above-described embodiment, as shown in Figure 2 and Figure 3, multilayer carbonate rock flat plate model rock core 1 is formed by polylith monolayer carbon Carbonate Rocks flat plate model rock core 16 overlap bonding, the physical parameters such as the porosity and permeability of each block of monolayer carbon Carbonate Rocks flat plate model rock core 16 are differing from each other but consistent with the physical parameter of actual oil reservoir, with the Different Strata structure of simulating oil deposit; Gas injection straight well 12 is arranged on the center of multilayer carbonate rock flat plate model rock core 1, and passes straight through to the monolayer carbon Carbonate Rocks flat plate model rock core 16 of the bottom; Many mouthfuls of straight production wells 13 and level acquisition well 14 are circumferentially distributed in the surrounding of gas injection straight well 12 symmetrically and evenly centered by gas injection straight well 12, and lead to different monolayer carbon Carbonate Rocks flat plate model rock cores 16 respectively.
In above-described embodiment, monolayer carbon Carbonate Rocks flat plate model rock core 16 is of a size of 30cm × 30cm × 6cm, and the Carbonate Reservoir standard rock core that it adopts physical property representative is broken into particle, forms by the method that manually sinters is again cementing.
In above-described embodiment, as shown in Figure 1, the two ends of Multilayer flat plate module rock core clamper 2 are also respectively arranged with the import 21 and outlet 22 of leading to Multilayer flat plate module rock core clamper 2 inner chamber, for injecting in-place oil and the formation water of configuration to Multilayer flat plate module rock core clamper 2 inner chamber, to set up the irreducible water saturation of multilayer carbonate rock flat plate model rock core 1.
In above-described embodiment, the highest pressure that bears of Multilayer flat plate module rock core clamper 2 is 25MPa, and the highest bearing temperature is 100 DEG C.
In above-described embodiment, injected gas can be natural gas or nitrogen; In-place oil and formation water are according to in-place oil and formation water PVT (Pressure, Volume, Temperature, i.e. pressure, volume, temperature) parameter configuration.
Multilayer carbonate rock flat plate model rock core 1 in use, first loads in Multilayer flat plate module rock core clamper 2 inner chamber, then Multilayer flat plate module rock core clamper 2 entirety is put into insulating box by the utility model; Open confined pressure pump 3, add confined pressure to testing setting pressure and keeping constant to Multilayer flat plate module rock core clamper 2 inner chamber; Open insulating box 4, Multilayer flat plate module rock core clamper 2 be heated to experiment design temperature and keep constant; Multilayer flat plate module rock core clamper 2 inner chamber and multilayer carbonate rock flat plate model rock core 1 are vacuumized, and injects the formation water pressing PVT parameter configuration; With the formation water pressed in the in-place oil displacement multilayer carbonate rock flat plate model rock core 1 of PVT parameter configuration, in multilayer carbonate rock flat plate model rock core 1, set up irreducible water saturation; Open backpressure pump 8, and the pressure of backpressure pump 8 is set according to experiment extraction pressure; The injection rate experimentally designed regulates injection rate and the injection pressure of constant speed constant pressure pump 6, by the injected gas in piston type container 5, injects multilayer carbonate rock flat plate model rock core 1 carry out injection gas displacement from gas injection straight well 12 with the pressure constant speed of testing setting; Multiple profit gathers metering device 9 and measures the accumulative oil pump capacity of its corresponding straight production wells 13 or level acquisition well 14 under each time period and accumulative water yield respectively; Multiple gas flowmeter 10 measures the accumulative gas output of its corresponding straight production wells 13 or level acquisition well 14 under each time period respectively; The inlet pressure of pressure measurement device record gas injection straight well 12 and the outlet pressure of straight production wells 13 and level acquisition well 14; Close this well when the gas-oil ratio of the straight production wells 13 of certain a bite or level acquisition well 14 reaches 5000, when all straight production wells 13 and level acquisition well 14 gas-oil ratio all reach 5000, experiment terminates; Finally carry out data processing, calculate oil reservoir development index.
The utility model can be widely used in the three-dimensional physical simulation experiment of Carbonate Reservoir injection gas displacement.There is for simulation the carbonate rock flat plate model rock core of three stratigraphic oil pools below, illustrate using method of the present utility model:
As shown in Figure 2 and Figure 3, three layers of carbonate rock flat plate model rock core 1 are followed successively by low-permeability layer, middle infiltration layer and high permeability formation from top to bottom, measure upper, middle and lower three layers of permeability and be respectively 90.4mD, 180.3mD and 359.8mD, upper, middle and lower three layers of degree of porosity are respectively 22.3%, 24.2% and 28.1%, and three layer flat plate size is 30cm × 30cm × 6cm; The flat production wells 19,20 of the straight production wells of a bite gas injection straight well 12, two mouthfuls 17,18 and two mouthfuls of horizontal saliva is furnished with altogether in three layers of carbonate rock flat plate model rock core 1, wherein, gas injection straight well 12 is positioned at three layers of carbonate rock flat plate model rock core 1 center and leads directly to high permeability formation, level acquisition well 19,20 with gas injection straight well 12 for axis of symmetry is symmetrically arranged in two jiaos of flat plate model, and and lead to low-permeability layer; Straight production wells 17,18 for axis of symmetry is symmetrically arranged in another two jiaos of flat plate model, and leads to middle infiltration layer with gas injection straight well 12.
Three layers of carbonate rock flat plate model rock core 1 are loaded in Multilayer flat plate module rock core clamper 2 inner chamber, Multilayer flat plate module rock core clamper 2 entirety is loaded in insulating box 4; Open confined pressure pump 3, add confined pressure to experimental pressure 20MPa to Multilayer flat plate module rock core clamper 1 inner chamber; Open insulating box 4, Multilayer flat plate module rock core clamper 1 is heated to experimental temperature 86 DEG C; Multilayer flat plate module rock core clamper 1 inner chamber i.e. three layers of carbonate rock flat plate model rock core 1 are vacuumized 24 hours, then simulated formation water is injected three layers of carbonate rock flat plate model rock core 1, and Multilayer flat plate module rock core clamper 2 inner cavity pressure is increased to 17MPa; Open backpressure pump 8 and the pressure arranging backpressure pump 8 is 17MPa; With the in-place oil of preparation from one end of Multilayer flat plate module rock core clamper 2 with constant speed displacement multilayer carbonate rock flat plate model rock core 1, in two-layer formation water, set up the irreducible water saturation of each layer, wherein, above, in, two-layer irreducible water saturation is respectively 36.1% and 32.2%, lower floor is bottom aquifer, and water saturation is 100%; The injection rate regulating constant speed constant pressure pump 6 is 1mL/min, injection pressure is 17MPa, and the natural gas in piston type container 5 is injected three layers of carbonate rock flat plate model rock core 1 from the gas injection straight well 12 of centre, and natural gas drives crude oil extraction from each production wells; Gather metering device 9 with profit and measure the accumulative oil pump capacity of each production wells in each hour and accumulative water yield respectively, measure the accumulative gas output of each production wells in each hour with gas flowmeter 10 respectively, record the pressure of gas injection straight well 12 and each production wells well head simultaneously with pressure measurement device 11 respectively; Close this well when the gas-oil ratio of certain a bite production wells reaches 5000, when the gas-oil ratio of all production wells all reaches 5000, three-dimensional physical simulation experiment terminates.
Calculate recovery ratio and the gas-oil ratio result of four mouthfuls of production wells respectively, when gas-oil ratio is 5000, the recovery ratio of straight production wells 18, the first level acquisition well 19 of the first straight production wells 17, second and the second level acquisition well 20 is respectively 8.35%, 8.91%, 11.91% and 12.12%, and the overall recovery factor of four mouthfuls of production wells built-up pattern gas drive oil is 41.29%.
The various embodiments described above are only for illustration of the utility model; wherein the structure of each parts, setting position and connected mode etc. thereof all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (9)
1. a Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system, is characterized in that, this system comprises:
The multilayer carbonate rock flat plate model rock core of a bite gas injection straight well, at least straight production wells of a bite and the flat production wells of the horizontal saliva of at least one mouth is embedded with in one,
One has airtight inner chamber and the Multilayer flat plate module rock core clamper of exocoel,
One adds confined pressure for giving the inner chamber of described Multilayer flat plate module rock core clamper and keeps the confined pressure pump of constant pressure,
One for heating described Multilayer flat plate module rock core clamper and keeping the insulating box of temperature constant,
One for storing the piston type container of compression injected gas,
One for injecting the constant speed and constant pressure pump of described multilayer carbonate rock flat plate model rock core by the injected gas in described piston type container,
One for providing the source of the gas of described injected gas,
One for setting the backpressure pump of the oil reservoir produced pressure of described multilayer carbonate rock flat plate model rock core,
Multiple oil and gas gathering metering device adding up oil pump capacity and accumulative water yield for measuring production wells,
Multiple gas flowmeter adding up gas output for measuring production wells, and
Multiple pressure measurement device for measuring well mouth pressure;
Described multilayer carbonate rock flat plate model rock core is arranged in the inner chamber of described Multilayer flat plate module rock core clamper, described Multilayer flat plate module rock core clamper entirety is placed in described insulating box, described confined pressure pump is connected by the exocoel of pipeline with described Multilayer flat plate module rock core clamper, described gas injection straight well by pipeline successively with described piston type container, constant speed and constant pressure pump is connected with source of the gas, every mouthful of described straight production wells is connected with gas flowmeter described in oil and gas gathering metering device and described in respectively by pipeline with level acquisition well, all described straight production wells are connected with described backpressure pump by pipeline with level acquisition well simultaneously, described pressure measurement device is separately positioned near described gas injection straight well, on the pipeline of straight production wells and level acquisition well well head.
2. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as claimed in claim 1, it is characterized in that, described multilayer carbonate rock flat plate model rock core comprises polylith monolayer carbon Carbonate Rocks flat plate model rock core, and the physical parameter of each described monolayer carbon Carbonate Rocks flat plate model rock core is differing from each other; Described gas injection straight well passes straight through to the monolayer carbon Carbonate Rocks flat plate model rock core of the bottom, and described straight production wells and level acquisition well lead to different monolayer carbon Carbonate Rocks flat plate model rock cores respectively.
3. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as claimed in claim 2, it is characterized in that, described monolayer carbon Carbonate Rocks flat plate model rock core adopts the representative Carbonate Reservoir standard rock core of physical property to be broken into particle, forms by the method that manually sinters is again cementing.
4. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as described in claim 1 or 2 or 3, it is characterized in that, described Multilayer flat plate module rock core clamper two ends are respectively arranged with the import and outlet of leading to described Multilayer flat plate module rock core clamper inner chamber.
5. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as described in claim 1 or 2 or 3, it is characterized in that, the highest pressure that bears of described Multilayer flat plate module rock core clamper is 25MPa, and the highest bearing temperature is 100 DEG C.
6. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as claimed in claim 4, it is characterized in that, the highest pressure that bears of described Multilayer flat plate module rock core clamper is 25MPa, and the highest bearing temperature is 100 DEG C.
7. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as described in claim 1 or 2 or 3 or 5, it is characterized in that, described injected gas is natural gas or nitrogen.
8. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as claimed in claim 4, it is characterized in that, it is characterized in that, described injected gas is natural gas or nitrogen.
9. a kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system as claimed in claim 6, it is characterized in that, it is characterized in that, described injected gas is natural gas or nitrogen.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105225595A (en) * | 2015-10-13 | 2016-01-06 | 内蒙古科技大学 | Oil reservoir simulation process method |
| CN107060709A (en) * | 2017-03-14 | 2017-08-18 | 海安县石油科研仪器有限公司 | Microbial oil displacement acts on three-dimensional physical simulation experimental provision |
| CN109989741A (en) * | 2019-03-19 | 2019-07-09 | 中国海洋石油集团有限公司 | A kind of heterogeneous reservoir exploitation physical model and its preparation method and application |
| CN110905496A (en) * | 2019-12-09 | 2020-03-24 | 中国石油大学(北京) | Gas drive overlap simulation device and use method thereof |
| CN113669054A (en) * | 2020-12-15 | 2021-11-19 | 中国石油大学(北京) | Reservoir simulation system |
| CN114427997A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Method for manufacturing fracture-cave core model, fracture-cave core model and water flooding experiment method |
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- 2015-06-08 CN CN201520390244.5U patent/CN204677175U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105225595A (en) * | 2015-10-13 | 2016-01-06 | 内蒙古科技大学 | Oil reservoir simulation process method |
| CN105225595B (en) * | 2015-10-13 | 2018-02-06 | 内蒙古科技大学 | Oil reservoir simulation process method |
| CN107060709A (en) * | 2017-03-14 | 2017-08-18 | 海安县石油科研仪器有限公司 | Microbial oil displacement acts on three-dimensional physical simulation experimental provision |
| CN109989741A (en) * | 2019-03-19 | 2019-07-09 | 中国海洋石油集团有限公司 | A kind of heterogeneous reservoir exploitation physical model and its preparation method and application |
| CN109989741B (en) * | 2019-03-19 | 2022-12-09 | 中国海洋石油集团有限公司 | Heterogeneous oil reservoir development physical model and preparation method and application thereof |
| CN110905496A (en) * | 2019-12-09 | 2020-03-24 | 中国石油大学(北京) | Gas drive overlap simulation device and use method thereof |
| CN110905496B (en) * | 2019-12-09 | 2021-12-17 | 中国石油大学(北京) | Gas drive overlap simulation device and use method thereof |
| CN114427997A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Method for manufacturing fracture-cave core model, fracture-cave core model and water flooding experiment method |
| CN114427997B (en) * | 2020-09-25 | 2024-05-14 | 中国石油化工股份有限公司 | Manufacturing method of fracture-cavity core model, model and water-flooding experimental method |
| CN113669054A (en) * | 2020-12-15 | 2021-11-19 | 中国石油大学(北京) | Reservoir simulation system |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |