US 2026/0251593 A1 · METHOD AND SYSTEM FOR CORE SAMPLE ANALYSIS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

Abstract

Provided in the present invention are a method and system for core sample analysis, an electronic device, and a storage medium. The method comprises steps of: obtaining a dual-energy spiral computed tomography (CT) scan image of a meter-sized large core to be analyzed, wherein the dual-energy spiral CT scan image comprises a low-energy CT scan image and a high-energy CT scan image; determining at least three small core samples in the meter-sized large core to be analyzed; obtaining a micron CT scan image of each of the small core samples and an XRF scan image of a surface feature region; determining the organic matter volume content, porosity, and inorganic mineral volume content of each of the small core samples by using the micron CT scan image and the XRF scan image of the surface feature region of each of the small core samples; and determining the organic matter volume content distribution and/or porosity distribution and/or inorganic mineral volume content distribution in the meter-sized large core to be analyzed based on the dual-energy spiral CT scan image of the meter-sized large core to be analyzed in combination with the organic matter volume content, porosity, and inorganic mineral volume content of each of the small core samples.

Claims19

Dependent claims

A method for core sample analysis, comprising steps of:

obtaining a dual-energy spiral computed tomography (CT) scan image of a meter-sized large core to be analyzed;
and determining at least three small core samples in the meter-sized large core to be analyzed, wherein the dual-energy spiral CT scan image comprises a low-energy CT scan image and a high-energy CT scan image;
obtaining an XRF scan image of a surface feature region of each of the small core samples and a micron CT scan image of each of the small core samples;
determining the organic matter volume content, porosity, and inorganic mineral volume content of each of the small core samples by using the micron CT scan image of each of the small core samples and the XRF scan image of the surface feature region of each of the small core samples;
and
determining the organic matter volume content distribution and/or porosity distribution and/or inorganic mineral volume content distribution in the meter-sized large core to be analyzed, based on the dual-energy spiral CT scan image of the meter-sized large core to be analyzed in combination with the organic matter volume content, porosity, and inorganic mineral volume content of each of the small core samples.

3 more elements

A system for core sample analysis, comprising:

a large-core data acquisition module, configured to obtain a dual-energy spiral CT scan image of a meter-sized large core to be analyzed;
and to determine at least three small core samples in the meter-sized large core to be analyzed, wherein the dual-energy spiral CT scan image comprises a low-energy CT scan image and a high-energy CT scan image;
a small-core data acquisition module, configured to obtain an XRF scan image of a surface feature region of each of the small core samples and a micron CT scan image of each of the small core samples;
a small-core parameter determination module, configured to determine the organic matter volume content, porosity, and inorganic mineral volume content of each of the small core samples by using the micron CT scan image of each of the small core samples and the XRF scan image of the surface feature region of each of the small core samples;
and
a large-core parameter determination module, configured to determine the organic matter volume content distribution and/or porosity distribution and/or inorganic mineral volume content distribution in the meter-sized large core to be analyzed based on the dual-energy spiral CT scan image of the meter-sized large core to be analyzed in combination with the organic matter volume content, porosity, and inorganic mineral volume content of each of the small core samples.

3 more elements

Dependencies are inferred from the claim text.

Method and system for core sample analysis, electronic device, and storage medium

Life of this patent

Method and system for core sample analysis, electronic device, and storage medium

Life of this patent

Abstract

Claims19