源自二维图像的材料性质分析的方法、系统和可读介质

By segmenting and numerically simulating the digital image volume of rock samples and utilizing fractional bounce parameter (FBP) values, the time and cost issues of rock property estimation in existing technologies are addressed, the simulation efficiency of shale reservoir fluid flow is improved, and hydrocarbon production is optimized.

CN115552461BActive Publication Date: 2026-07-17BP CORP NORTH AMERICA INC

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BP CORP NORTH AMERICA INC
Filing Date
2021-05-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies require lengthy and costly laboratory tests to estimate the rock physical properties of strata, and existing direct numerical simulation methods cannot effectively simulate the impact of the heterogeneity and nano- and micro-scale structures of shale reservoirs on fluid flow.

Method used

By segmenting the digital image volume of rock samples, voxels are correlated with rock texture, material properties are determined using image processing, and numerical simulations are performed using fractional bounce parameter (FBP) values. Direct numerical simulations are then performed using a combination of computing and imaging devices.

Benefits of technology

It enables rapid and economical estimation of properties such as porosity and permeability of rock samples, improves the understanding of fluid flow in shale reservoirs, and optimizes hydrocarbon production strategies.

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Abstract

本发明公开了一种分析岩石样品的方法,所述方法包括对与所述岩石样品的图像相对应的数字图像体积进行分割,以将所述数字图像体积中的体素与所述岩石样品的多个岩石组构相关联。所述方法还包括对所述数字图像体积执行图像处理以确定所述岩石组构的每一个的材料性质和从列线图集合中选择具有关联的网格尺寸的列线图。所选择的列线图将所述岩石组构的每一个的材料性质与分数反弹参数(FBP)值相关联,该FBP值在下FBP阈值与上FBP阈值之间。所述方法还包括基于所选列线图将所述数字图像体积中的每个体素与FBP值相关联。
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