Material properties derived from two-dimensional images

By segmenting and identifying the digital image volumes of intersecting digital planes, and combining SEM imaging and image processing, the problem of obtaining nano- and micro-scale structural information of rock samples in existing technologies has been solved, enabling rapid and economical estimation of rock strata properties and optimizing hydrocarbon production.

CN115668288BActive Publication Date: 2026-07-24BP CORP NORTH AMERICA INC
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Patent Information

Application Number
CN202180036949.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-05-08
Filing Date
2021-05-10
Publication Date
2026-07-24
Estimated Expiration
2041-05-10

AI Technical Summary

Technical Problem

Existing technologies make it difficult to quickly and economically obtain nanoscale and microscale structural information of rock samples, leading to inaccurate estimation of rock strata properties in hydrocarbon production and affecting the formulation of hydrocarbon extraction strategies.

Method used

By segmenting the digital image volume of rock samples, identifying the intersection of digital planes with rock texture, performing mechanical processing and SEM imaging, determining material properties by combining image processing, and using computing devices for direct numerical simulation.

Benefits of technology

It enables rapid and economical acquisition of nanoscale and microscale structural information of rock samples, improves the accuracy of rock layer property estimation, and optimizes hydrocarbon production strategies.

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Abstract

A method of analyzing a rock sample includes segmenting a digital image volume corresponding to an image of the rock sample to associate voxels in the digital image volume with a plurality of rock fabrics of the rock sample. The method also includes identifying a set of digital planes that intersect each of the plurality of rock fabrics. The method also includes mechanically machining the rock sample to expose a physical plane corresponding to the identified digital planes, performing scanning electron microscope (SEM) imaging of the physical plane to generate a two-dimensional (2D) SEM image of the physical plane, and performing image processing on the SEM image to determine a material property associated with each of the rock fabrics.
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