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High-temperature-resistant and high-pressure-resistant stirring intermediate container device and porous medium displacement experiment system

A technology for intermediate containers and porous media, which is applied in mixer accessories, chemical instruments and methods, transportation and packaging, etc., and can solve problems affecting the pressure resistance of intermediate containers, poor pressure resistance of intermediate containers, and poor heat resistance of stirring motors, etc. , to achieve the effect of improving stirring stability, solving sealing and pressure bearing problems, and saving space

Inactive Publication Date: 2020-06-09
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the currently disclosed stirrable intermediate container has the following problems: 1) the connection between the stirring motor and the piston affects the pressure resistance of the intermediate container, and the pressure resistance of the intermediate container is poor; 2) the heat resistance of the stirring motor is poor, so that the displacement fluid can only Partial heating in the intermediate container, and the heating effect is difficult to guarantee after the fluid flows out of the intermediate container, resulting in distortion of the fluid temperature

Method used

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  • High-temperature-resistant and high-pressure-resistant stirring intermediate container device and porous medium displacement experiment system
  • High-temperature-resistant and high-pressure-resistant stirring intermediate container device and porous medium displacement experiment system
  • High-temperature-resistant and high-pressure-resistant stirring intermediate container device and porous medium displacement experiment system

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Experimental program
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Effect test

Embodiment 1

[0051] Such as Figure 6 As shown, before the experiment, in order to further determine the feasibility of the device, the stirring mechanism 6 was taken out separately, and the piston mechanism 4 was removed, and the magnetic rotor 603 was put into a transparent airtight container filled with water, and it was found that the container was filled with water. In the state, the magnetic rotor 603 can still rotate normally. Therefore, when the intermediate container is filled with the experimental fluid and sealed, the magnetic rotor 603 can also work normally, and the experimental stirring function can be achieved.

Embodiment 2

[0053] Such as Figure 7 As shown, in order to further confirm the feasibility of the device, the magnetic rotor 603 is placed in a stainless steel intermediate container with a wall thickness of 1 cm, placed on a magnetic stirrer, and the magnetic stirring can still be performed normally after the saturated water is pressurized to 10 MPa. Therefore, in the process of pressurized displacement, the pressure does not affect the work of the magnetic rotor 603, and the function of continuous mixing and stirring can be realized, and the process temperature is 100°C, and the experimental process is resistant to high temperature and high pressure. This embodiment is to verify the effect of magnetic stirring under pressure, and simulate the situation where the magnetic rotor 603 is stirred after being pressurized in the high-temperature and high-pressure stirrable intermediate container device 9 . Through this embodiment, it is verified that the experiment runs stably and the scheme i...

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Abstract

The invention discloses a high-temperature-resistant and high-pressure-resistant stirring intermediate container device and a porous medium displacement experiment system, wherein the high-temperature-resistant and high-pressure-resistant stirring intermediate container device comprises an intermediate container and a stirring mechanism; the intermediate container comprises a cylinder body, an upper end cover and a lower end cover; the upper end cover and the lower end cover are screwed and sealed with the cylinder body through threads, and the stirring mechanism is arranged in the intermediate container; axial through holes are formed in the upper end cover and the lower end cover; two-way valves are connected to the top of the upper end cover and the bottom of the lower end cover; the stirring mechanism is of a cylindrical structure, the outer diameter of the stirring mechanism is matched with the inner diameter of the cylinder body, the side face of the stirring mechanism moves up and down along the inner wall of the cylinder body, and the stirring mechanism is provided with a piston mechanism for sealing and isolating the upper part and the lower part of the cylinder body. Thestructure of an existing intermediate container is improved, so that the intermediate container device can resist high temperature and high pressure, the stirring function is achieved, the battery capacity can be changed by increasing or decreasing the number of battery packs to meet different stirring time requirements, and meanwhile, a control system is improved so that stirring can be better achieved.

Description

technical field [0001] The invention belongs to the technical field of oil and gas reservoir development instruments, and in particular relates to a high-temperature and high-pressure-resistant stirrable intermediate container device and a porous medium displacement experimental system. Background technique [0002] In the process of oil extraction, porous media displacement experiments are often used to guide field production. For example, in the tertiary oil recovery process of oil and gas reservoirs, when the mechanism of enhanced oil recovery is studied through indoor porous media displacement experiments, the crude oil dilution, emulsification, polymer flooding, particle suspension liquid flooding (such as microsphere flooding), secondary flooding, etc. Experiments such as composite flooding involve a large number of chemical agents such as polymers, surfactants and co-surfactants. It includes a large number of production processes such as the dissolution of granular s...

Claims

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Application Information

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IPC IPC(8): B01F13/08B01F15/00E21B43/16
CPCE21B43/16B01F33/453B01F2035/351B01F35/00B01F35/22142B01F35/221422B01F35/32025B01F2101/40
Inventor 梁彬吴倩李闽王东曹江娜李轩刘柳茹索仓王爽张鑫袁江华
Owner SOUTHWEST PETROLEUM UNIV
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