Thickened oil soaking drainage and mining simulation experiment device

Abstract

The utility model relates to the technical field of soaking simulation experiments, and discloses a thickened oil soaking drainage and mining simulation experiment device which comprises an outer cylinder, a replaceable storage assembly penetrates through the inner side of the outer cylinder, and the replaceable storage assembly comprises an outer layer filter cylinder, a bottom layer and an inner layer filter cylinder. The bottom ends of the outer-layer filter cartridge and the inner-layer filter cartridge are fixedly connected to the inner part and the outer part of the top side of the bottom layer respectively. The pressure change of the inner sides of the inner-layer filter cylinder and the bottom layer is monitored in real time through the pressure sensor, the outer-layer filter cylinder, the inner-layer filter cylinder and the bottom layer can be rapidly replaced according to different experiment requirements through the design of the replaceable storage assembly, the characteristics of thick oil under different conditions can be conveniently researched, the experiment flexibility and diversity are improved, and the experiment efficiency is improved. Problems can be found and adjusted in time, the convenience and efficiency of experimental operation are improved, and the advantages of accurate simulation, flexible operation, convenient observation, safety, reliability and the like are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stewing well simulation experiment technical field, concretely is thick oil stewing well row and draw simulation experiment device. BACKGROUND

[0002] In the thick oil exploitation field, stewing well row and draw is the key technical means to improve the thick oil recovery, for in-depth understanding and optimization of this process, developing simulation experiment is an indispensable research method.

[0003] In the experimental precision, the pressure change in the experimental process cannot be monitored in real time and accurately, which leads to a large deviation of experimental data from the actual thick oil stewing well row and draw working condition, it is difficult to reflect the influence of real pressure change on the characteristics of thick oil, greatly reduces the reliability and reference value of experimental results, the storage assembly of the traditional device is usually a fixed structure, if you want to explore thick oil of different characteristics, or simulate the stewing well row and draw process under different geological conditions, due to the device cannot be flexibly adjusted, it is necessary to spend a lot of time and effort to reform the whole experimental device, which not only increases the experimental cost, but also affects the experimental efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at: for solving stewing well row and draw simulation experiment traditional experimental device in experimental precision cannot real -time accurate monitoring pressure change, leading to experimental data deviation, low result reliability, and storage assembly is fixed, it is difficult to flexibly adjust to simulate different working conditions, greatly increase the experimental cost and time cost problem, the utility model provides thick oil stewing well row and draw simulation experiment device.

[0005] The utility model realizes the following technical scheme in order to achieve the above-mentioned purpose:

[0006] Thick oil stewing well row and draw simulation experiment device, including the outer tube, the inside of outer tube is penetrated with replaceable storage assembly, the replaceable storage assembly includes outer layer filter drum, bottom layer and inner layer filter drum, the bottom of outer layer filter drum, inner layer filter drum is fixedly connected in the inside and outside of the top side of bottom layer, the even assembly, heating assembly are arranged between the side wall of outer layer filter drum, inner layer filter drum, the inner ring of inner layer filter drum is penetrated with hydraulic cylinder, pressure assembly, the pressure assembly is arranged at the bottom of hydraulic cylinder, the top of pressure assembly is provided with lifting rod, the lifting rod extends to the outside side of outer tube, the inside of bottom layer, inner layer filter drum is provided with pressure sensor, the outside wall of outer tube is provided with control panel, observation window.

[0007] Further, the even assembly includes outer filter screen, rotary motor and stirring paddle, the heating assembly is located at the right of outer filter screen, rotary motor is electrified and runs, and the output shaft drives the stirring paddle to make high-speed rotary motion, and the stirring paddle stirs in the inside of outer filter screen.

[0008] Further, the rotating motor is arranged at the top end of the outer filter screen, the bottom output end of the rotating motor is connected with the top end of the stirring paddle, the stirring paddle penetrates the inside of the outer filter screen, and the stirring paddle stirs in the inside of the outer filter screen, so that the outer filter screen can prevent impurities in thick oil from damaging the stirring paddle.

[0009] Further, the heating assembly comprises a microwave heater and a heating rod, the top end of the heating rod is arranged at the top side of the microwave heater, the microwave heater generates microwaves of a specific frequency after being powered on, and the energy of the microwaves is transmitted to thick oil in the replaceable storage assembly through the heating rod.

[0010] Further, the pressure assembly comprises a pressing block and a pressure plate, the top side of the pressing block is arranged at the bottom end of the hydraulic cylinder, and the pressing block drives the pressure plate to apply pressure to thick oil filtered in the storage assembly under the action of the hydraulic cylinder.

[0011] Further, the pressure plate is arranged at the bottom side of the pressing block, and the pressing block drives the pressure plate to apply pressure to thick oil under the action of the hydraulic cylinder.

[0012] Further, the outer filter cartridge and the inner filter cartridge of the replaceable storage assembly are connected with the bottom layer in a detachable manner, specifically in a threaded connection manner, and according to the specific requirements of experiments, the replaceable storage assembly that is suitable is installed into the outer cylinder.

[0013] Further, the hydraulic cylinder and the lifting rod are connected in a sealed manner, the sealing manner is rubber sealing ring sealing, liquid leakage in the experiment process is prevented, the lifting stroke of the lifting rod can be accurately controlled through the control panel, the lifting rod and the hydraulic cylinder are sealed by the rubber sealing ring, liquid leakage is effectively prevented, and the stability of pressure application is ensured.

[0014] Compared with the prior art, the thick oil soaking well production simulation experiment device has the following beneficial effects:

[0015] The thick oil soaking well production simulation experiment device can monitor the pressure change of the inner filter cartridge and the inside of the bottom layer in real time through the pressure sensor, the replaceable storage assembly can be quickly replaced according to different experimental requirements, the outer filter cartridge, the inner filter cartridge and the bottom layer are replaced, the characteristics of thick oil under different conditions are conveniently researched, the flexibility and diversity of the experiment are improved, problems can be found and adjusted in time, the convenience and efficiency of the experiment operation are improved, and the advantages of precise simulation, flexible operation, convenient observation and safety and reliability are realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The whole outside structure shows the outside three-dimensional view;

[0017] Figure 2 The utility model discloses a whole outside structure shows the top three -dimensional perspective drawing of display;

[0018] Figure 3 The utility model discloses the structure of hydraulic cylinder and pressure assembly shows the three -dimensional perspective drawing of display;

[0019] Figure 4 The utility model discloses the inside structure of replaceable storage assembly shows the top three -dimensional perspective drawing of display;

[0020] Figure 5 The utility model discloses the structure of uniform component, heating assembly and pressure sensor etc. shows the three -dimensional perspective drawing of structure top display;

[0021] Figure 6 The utility model discloses the inside relevant structure of uniform component and heating assembly shows the three -dimensional perspective drawing;

[0022] Figure 7 The utility model discloses the inside relevant structure connection of uniform component shows the three -dimensional perspective drawing.

[0023] In the drawing: 1, outer tube;2, replaceable storage assembly;21, outer layer filter drum;22, bottom layer;23, inner layer filter drum;3, uniform component;31, outer filter screen;32, rotary motor;33, stirring paddle;4, heating assembly;41, microwave heater;42, heating rod;5, hydraulic cylinder;6, lifting rod;7, pressure assembly;71, pressing block;72, pressure plate;8, pressure sensor;9, control panel;10, observation window. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0025] As Figures 1-7 The thickened oil stewing well drainage simulation experiment device shown in the drawing, including outer tube 1, the inside of outer tube 1 is penetrated with replaceable storage assembly 2, replaceable storage assembly 2 includes outer layer filter drum 21, bottom layer 22 and inner layer filter drum 23, and the bottom end of outer layer filter drum 21 and inner layer filter drum 23 is fixedly connected to the inside and outside of the top side of bottom layer 22 respectively, and the outer layer filter drum 21 and inner layer filter drum 23 of replaceable storage assembly 2 are connected with bottom layer 22 in a detachable mode, and specifically are connected in screw threads;

[0026] The side walls of the outer filter cartridge 21 and the inner filter cartridge 23 are provided with the uniform assembly 3 and the heating assembly 4, the inner ring of the inner filter cartridge 23 is provided with the hydraulic cylinder 5 and the pressure assembly 7, the pressure assembly 7 is arranged at the bottom end of the hydraulic cylinder 5, the top end of the pressure assembly 7 is provided with the lifting rod 6, the lifting rod 6 extends to the outside of the outer cylinder 1, the inner sides of the bottom layer 22 and the inner filter cartridge 23 are provided with the pressure sensor 8, the outer side wall of the outer cylinder 1 is provided with the control panel 9 and the observation window 10, the hydraulic cylinder 5 and the lifting rod 6 are connected in a sealed manner, the sealing mode is rubber sealing ring sealing, liquid leakage during the experiment is prevented, and the lifting stroke of the lifting rod 6 can be accurately controlled through the control panel 9.

[0027] As shown in Figure 6 and Figure 7 , the uniform assembly 3 includes the outer filter screen 31, the rotary motor 32 and the stirring paddle 33, the heating assembly 4 is located to the right of the outer filter screen 31, the rotary motor 32 is arranged at the top end of the outer filter screen 31, the bottom output end of the rotary motor 32 is connected with the top end of the stirring paddle 33, and the stirring paddle 33 penetrates the inside of the outer filter screen 31, so that the outer filter screen 31 can not only prevent the impurities in the thick oil from damaging the stirring paddle 33, but also limit the stirring area to make the stirring more sufficient.

[0028] As shown in Figure 6 , the heating assembly 4 includes the microwave heater 41 and the heating rod 42, the top end of the heating rod 42 is arranged at the top side of the microwave heater 41, the microwave heater 41 generates microwaves of a specific frequency after being powered on, and the energy of the microwaves is transmitted to the thick oil in the replaceable storage assembly 2 through the heating rod 42.

[0029] As shown in Figure 3 , the pressure assembly 7 includes the pressing block 71 and the pressure plate 72, the top side of the pressing block 71 is arranged at the bottom end of the hydraulic cylinder 5, and the pressure plate 72 is arranged at the bottom side of the pressing block 71, the hydraulic cylinder 5 starts to work according to the parameters preset by the control panel 9, pushes the pressure assembly 7 to move downward, and the pressing block 71 drives the pressure plate 72 to apply pressure to the thick oil filtered out in the storage assembly under the action of the hydraulic cylinder 5.

[0030] Working principle: as shown in Figures 1-7 , experimental preparation: before the formal experiment, according to the specific requirements of the experiment, the appropriate replaceable storage assembly 2 is installed into the outer cylinder 1, thanks to the threaded connection design between the outer filter cartridge 21, the inner filter cartridge 23 and the bottom layer 22, the replacement of the assembly can be quickly completed, after the installation is completed, the sandstone or artificial core with different permeability is placed in the replaceable storage assembly 2, at the same time, the initial parameters of the hydraulic cylinder 5, the rotary motor 32 and the microwave heater 41 and other equipment are set through the control panel 9.

[0031] Uniform mixing: After the experiment starts, the uniform assembly 3 begins to work, the rotating motor 32 is powered on and runs, its output shaft drives the stirring paddle 33 to rotate at high speed, the stirring paddle 33 stirs inside the outer filter screen 31, which can prevent impurities in the thick oil from damaging the stirring paddle 33 and limit the stirring area to make the stirring more sufficient. Under the continuous stirring of the stirring paddle 33, the various components in the thick oil are uniformly distributed, ensuring the accuracy of the subsequent heating and pressure simulation links;

[0032] Heating simulation: Based on uniform mixing, the heating assembly 4 starts to work. After the microwave heater 41 is powered on, it generates microwaves of a specific frequency. The energy of the microwaves is transmitted to the thick oil in the replaceable storage assembly 2 through the heating rod 42, rapidly raising the temperature of the thick oil. This process simulates the high-temperature environment in the well during the soaking well stage. By changing the temperature of the thick oil, the changes in its viscosity, flowability and other physical properties are studied. The operator can adjust the power and heating time of the microwave heater 41 through the control panel 9 to accurately control the heating process.

[0033] Pressure simulation: After heating is completed, the pressure simulation stage begins. The hydraulic cylinder 5 starts to work according to the parameters preset by the control panel 9, pushing the pressure assembly 7 to move downward. The pressure block 71 drives the pressure plate 72 to apply pressure to the filtered thick oil in the storage assembly under the action of the hydraulic cylinder 5. The lifting rod 6 and the hydraulic cylinder 5 are sealed with a rubber sealing ring to effectively prevent liquid leakage and ensure the stability of the pressure application. The operator can accurately control the lifting stroke of the lifting rod 6 through the control panel 9, thereby accurately simulating different formation pressure environments. The pressure sensor 8 monitors the pressure changes in the storage assembly in real time and feeds back the data to the control panel 9, so that the operator can adjust the pressure in real time.

[0034] Experimental observation and data collection: During the entire experiment, the operator can observe the state changes of the thick oil in the replaceable storage assembly 2 through the observation window 10 to obtain intuitive experimental information. At the same time, the pressure sensor 8 continuously collects pressure data in the storage assembly and transmits it to the control panel 9. The control panel 9 analyzes and processes the data.

Claims

1. A simulation experiment device for heavy oil huff and puff production, comprising an outer cylinder (1), characterized in that: The inner side of the outer cylinder (1) is penetrated by a replaceable storage assembly (2), which comprises an outer filter cartridge (21), a bottom layer (22) and an inner filter cartridge (23), and the bottom ends of the outer filter cartridge (21) and the inner filter cartridge (23) are fixedly connected to the inner and outer sides of the top side of the bottom layer (22), respectively. The sidewalls of the outer filter cartridge (21) and the inner filter cartridge (23) are penetrated by a uniform assembly (3) and a heating assembly (4), the inner ring of the inner filter cartridge (23) is penetrated by a hydraulic cylinder (5) and a pressure assembly (7), the pressure assembly (7) is arranged at the bottom end of the hydraulic cylinder (5), the top end of the pressure assembly (7) is provided with a lifting rod (6), the lifting rod (6) extends to the outer side of the outer cylinder (1), the inner sides of the bottom layer (22) and the inner filter cartridge (23) are provided with a pressure sensor (8), and the outer sidewall of the outer cylinder (1) is provided with a control panel (9) and an observation window (10).

2. The thickened oil huff and puff production simulation experiment device according to claim 1, characterized in that: The uniform assembly (3) comprises an outer filter screen (31), a rotary motor (32) and a stirring paddle (33), and the heating assembly (4) is located to the right of the outer filter screen (31).

3. The thickened oil huff and puff simulation experiment device according to claim 2, characterized in that: The rotary motor (32) is arranged at the top end of the outer filter screen (31), the bottom output end of the rotary motor (32) is connected to the top end of the stirring paddle (33), and the stirring paddle (33) penetrates the inside of the outer filter screen (31).

4. The thickened oil huff and puff production simulation experiment device according to claim 1, characterized in that: The heating assembly (4) comprises a microwave heater (41) and a heating rod (42), and the top end of the heating rod (42) is arranged at the top side of the microwave heater (41).

5. The thickened oil huff and puff production simulation experiment device according to claim 1, characterized in that: The pressure assembly (7) comprises a pressing block (71) and a pressure plate (72), and the top side of the pressing block (71) is arranged at the bottom end of the hydraulic cylinder (5).

6. The thickened oil huff and puff production simulation experiment device according to claim 5, characterized in that: The pressure plate (72) is arranged at the bottom side of the pressing block (71).

7. The thickened oil huff and puff production simulation experiment device according to claim 1, characterized in that: The outer filter cartridge (21) and the inner filter cartridge (23) of the replaceable storage assembly (2) are connected to the bottom layer (22) in a detachable connection manner, specifically a threaded connection.

8. The thickened oil huff and puff production simulation experiment device according to claim 1, characterized in that: The hydraulic cylinder (5) and the lifting rod (6) are connected in a sealed manner, and the sealing manner is a rubber sealing ring, which prevents liquid leakage during the experiment, and the lifting stroke of the lifting rod (6) can be accurately controlled through the control panel (9).

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