Porous medium pore size distribution characterization method and electronic equipment

A technology of porous media and pore size distribution, which is applied in the analysis of suspensions and porous materials, analytical materials, permeability/surface area analysis, etc., can solve the problems that cannot directly reflect the characteristics of the pore size distribution of porous media, and achieve the effect of solving uneven distribution

Pending Publication Date: 2022-05-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In view of this, the present invention provides a method for characterizing the pore size distribution of porous media and electronic equipment to at least solve the problem in the prior art that cannot directly reflect the characteristics of the pore size distribution of porous media

Method used

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  • Porous medium pore size distribution characterization method and electronic equipment
  • Porous medium pore size distribution characterization method and electronic equipment
  • Porous medium pore size distribution characterization method and electronic equipment

Examples

Experimental program
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Embodiment 1

[0094] figure 2 A flow chart of a method for characterizing the pore size distribution of porous media according to an embodiment of the present invention is shown. image 3 It shows a general coordinate pore size distribution curve based on nitrogen adsorption data of a porous medium pore size distribution characterization method according to an embodiment of the present invention.

[0095] combine figure 2 and image 3 As shown, the porous medium pore size distribution characterization method includes:

[0096] Step 1: Obtain the original pore diameter and original pore volume increment of the porous medium sample;

[0097] Among them, through high-pressure mercury injection, nitrogen adsorption, CO 2 Adsorption or nuclear magnetic resonance is used to conduct a pore size distribution test experiment on the porous medium sample to obtain the original pore size and original pore volume increment of the porous medium sample; the original pore volume increment refers to t...

Embodiment 2

[0176] The present disclosure provides an electronic device comprising: a memory storing executable instructions; and a processor running the executable instructions in the memory to implement the above-mentioned porous medium pore size distribution characterization method.

[0177] An electronic device according to an embodiment of the present disclosure includes a memory and a processor.

[0178] The memory is used to store non-transitory computer readable instructions. Specifically, the memory may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and / or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and / or cache memory (cache). The non-volatile memory may include, for example, a read-only memory (ROM), a hard disk, a flash memory, and the like.

[0179] The processor may be a central processing unit (CPU) or other form of processing unit ...

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Abstract

The invention discloses a porous medium pore size distribution characterization method and electronic equipment. The method comprises the following steps: acquiring an original pore size and an original pore volume increment of a porous medium sample; determining a coordinate system of the aperture distribution curve according to the original aperture; calculating the aperture corresponding to each data point based on the original aperture and the number of the required data points; based on the original pore volume increment, calculating an accumulated pore volume corresponding to each original pore diameter, and obtaining a pore volume increment corresponding to each data point; drawing a pore size distribution curve in the coordinate system based on the pore size and the pore volume increment of each data point; and based on the peak position of the pore size distribution curve, determining the development sizes of the main pores and the secondary pores so as to characterize the pore distribution of the reservoir. The development size of the main hole is determined according to the peak position of the pore size distribution curve, the development size of the main hole and the development size of the secondary hole reflect the gap distribution characteristics of the reservoir, evaluation of the reservoir quality is facilitated, and a basis is provided for reservoir development.

Description

technical field [0001] The invention belongs to the field of porous medium characterization, and in particular relates to a porous medium pore size distribution characterization method and electronic equipment. Background technique [0002] The pore structure characteristics of porous media have an important impact on drug release, catalyst efficiency, filter material filtration effect, building material performance, rock storage capacity, etc. The pore size distribution is an important content in the study of pore structure. The pore size distribution curve with the pore size (diameter / radius, etc.) as the abscissa and the pore volume or the differential of volume to size as the ordinate is the key map for studying the characteristics of the pore structure. In the field of petroleum geology, the exploration and development of unconventional oil and gas such as tight oil and gas and shale oil and gas has become a key field for increasing oil and gas reserves and production. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
CPCG01N15/088
Inventor 宁传祥张毅马中良郑伦举王强
Owner CHINA PETROLEUM & CHEM CORP
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