Method and device for evaluating adsorbability of polymer solution in porous medium

A technology of polymer solution and porous media, which is applied in earth cube drilling, mining fluid, wellbore/well components, etc. It can solve the problems that it is not suitable for comparison of multiple sets of experimental data, and cannot screen a large number of samples, etc., and achieves a simple structure , low cost and easy operation

Pending Publication Date: 2019-11-05
王雷 +2
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing methods and equipment for evaluating the adsorption perform...

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  • Method and device for evaluating adsorbability of polymer solution in porous medium
  • Method and device for evaluating adsorbability of polymer solution in porous medium
  • Method and device for evaluating adsorbability of polymer solution in porous medium

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] The invention discloses a method and a device for evaluating the adsorption of a polymer solution in a porous medium. Those skilled in the art can refer to the content of this article and appropriately improve the process parameters to realize it. It needs to be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention, and relevant personnel can obviously make changes without departing from the content, spirit and scope of the present invention. Changes or appropriate changes and combinations are made to the content described herein to realize and apply the technology of the present invention.

[0021] In the invention, unless otherwise stated, the scientific and technical terms used herein have the meanings commonly understood by those skilled in th...

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Abstract

The invention discloses a method and a device for evaluating the adsorbability of a polymer solution in a porous medium. The method comprises the following steps of loading a polymer solution with known performance parameters into a filtration factor device capable of presetting driving pressure, sequentially driving the polymer solution into multiple sequentially serially connected porous mediummodels through the filtration factor device, then using a detecting instrument for detecting performance parameters of the polymer solution flowing through the various porous medium models, and meanwhile, detecting the changes of the performance parameters of the polymer solution before and after the driving process. The method and the device for evaluating the adsorbability of the polymer solution in the porous medium provided by the invention are suitable for screening samples in multiple quantity, and are capable of simply, conveniently, quickly and effectively evaluating the influence on performances of the solution due to the flowing of porous media, and beneficial to comparing multiple sample performance advantages and disadvantages; the detection through multiple methods can be realized; and the device is simple in structure and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of indoor physical simulation oil displacement experiments in the petroleum industry, in particular to a method and a device for evaluating the adsorption of polymer solutions in porous media. Background technique [0002] The chemical flooding process has been widely used in the later stages of development of major oilfields in China, and has achieved a good effect of increasing oil production by precipitation. Analyzing and measuring the effect of different flooding agents on the recovery of crude oil, and screening development plans are necessary technical support for chemical flooding in mines, and evaluating the effect of porous media shear adsorption on the performance of flooding agents is the process of screening oil flooding agents. important factors to consider. [0003] At present, the laboratory evaluates the change of the performance parameters of the solution after shearing or adsorption of th...

Claims

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Application Information

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IPC IPC(8): E21B43/22
CPCE21B43/16
Inventor 李长庆孙刚王雷王楠楠张昶曾嘉冯其原罗锋
Owner 王雷
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