Method and device for testing effective viscosity of foams in pore medium

A technology of effective viscosity and porous media, applied in the direction of DC flow characteristics measurement, etc., can solve the problems of time-consuming, laborious, cumbersome, and cannot represent the actual viscosity of foam, and achieve the effect of simple and fast method

Active Publication Date: 2013-10-09
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

At present, the fluid viscosity is measured by placing the fluid in a container and then measuring the viscosity with a viscometer. Since the measurement range of the viscometer is small, it is necessary to estimate the concentration of the fluid with the naked eye for each measurement. Then select a measuring instrument with a suitable range for measurement. This

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  • Method and device for testing effective viscosity of foams in pore medium
  • Method and device for testing effective viscosity of foams in pore medium
  • Method and device for testing effective viscosity of foams in pore medium

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[0027] All the features disclosed in this specification, or all disclosed methods or steps in the process, except for mutually exclusive features and / or steps, can be combined in any manner.

[0028] Any feature disclosed in this specification (including any additional claims and abstract), unless specifically stated, can be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is just one example of a series of equivalent or similar features.

[0029] Such as figure 1 As shown, the device for measuring the effective viscosity of the foam in the porous medium of the present invention is characterized in that it includes a sand-filling model formed by a sand-filling tube 6 on which several pressure gauges are provided. The inlet of the model is respectively connected to the high-pressure gas cylinder 1, the foam system 7 and the waste liquid bottle 4 through a six-way valve 5. The foam system 7 is connected to a con

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Abstract

The invention discloses a method and a device for testing the effective viscosity of foams in a pore medium, belonging to the technical field of the test of the viscosity of the foams. The device for testing the effective viscosity of the foams in the pore medium comprises a sand filling model formed by a sand filling pipe, wherein a plurality of pressure gages are arranged on the sand filling model, an inlet of the sand filling model is respectively connected with a high-pressure gas cylinder, a foam system and a waste liquid bottle through a six-way valve, a constant-speed constant-flux pump is connected onto the foam system, a coal oil bottle is connected onto the constant-speed constant-flux pump, an outlet of the sand filling model is connected with an oil return valve, and the oil return valve is connected to a measuring cylinder. According to the method and the device for testing the effective viscosity of the foams in the pore medium, disclosed by the invention, the pressure distribution on the sand filling pipe is tested, as well as the level of the sealing capacity and the percolation characteristic and the rule of the foams in the pore medium are embodied due to the pressure change, so that the effective viscosity of the foam in each place of the sand filling pipe can be tested.

Description

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Claims

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Application Information

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Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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