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A 3D Structure Reconstruction Method of Digital Core Using 2D Thin Section Images

A digital core and three-dimensional structure technology, applied in the field of digital core, can solve the problems of time-consuming and slow calculation speed, and achieve the effects of good pore connectivity, comprehensive control, and good reconstruction effect

Active Publication Date: 2022-03-22
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a method for reconstructing the three-dimensional structure of digital rock cores using two-dimensional slice images, which solves the problem of time-consuming and slow calculation in the existing methods

Method used

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  • A 3D Structure Reconstruction Method of Digital Core Using 2D Thin Section Images
  • A 3D Structure Reconstruction Method of Digital Core Using 2D Thin Section Images
  • A 3D Structure Reconstruction Method of Digital Core Using 2D Thin Section Images

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Embodiment Construction

[0036] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0037] like figure 1 As shown, the digital rock core three-dimensional structure reconstruction method using two-dimensional thin-section images includes the following steps:

[0038] S1. Acquiring and labeling the horizontal core slice image and the vertical core slice image, respectively obtaining the labeled horizontal core slice image and the labeled vertical core slice image; the labels include pores and throats;

[0...

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Abstract

The invention discloses a method for reconstructing a three-dimensional structure of a digital rock core using a two-dimensional slice image. The invention generates an adversarial network model by training a parallel single image, learns two-dimensional image distribution, and combines the Markov chain Monte Carlo method to achieve a three-dimensional Rebuild the core structure. The method can reflect the anisotropy of the rock, and can also reliably and effectively restore the real core structure for the rock with strong heterogeneity, has good pore connectivity, faster calculation speed, and wider application range.

Description

technical field [0001] The invention relates to the field of digital rock cores, in particular to a three-dimensional structure reconstruction method of digital rock cores using two-dimensional slice images. Background technique [0002] Three-dimensional digital core technology is a technology that uses computer image processing technology to describe the microstructure of rock core in the form of images or data, and studies rock microstructure and rock physical properties through mathematical modeling, quantitative analysis, and physical field simulation. By reflecting the pore structure and mineral composition characteristics of the rock, the microscopic scale characterization of the core can be realized and the influence of various microscopic factors on the physical properties of the rock can be quantitatively studied. The current digital core modeling methods can be divided into two categories, physical experiment methods and numerical reconstruction methods. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T15/00G06T7/12G06T3/40G06N3/04
CPCG06T15/00G06T7/12G06T3/4053G06N3/045
Inventor 陈雁廖梦羽向萱岭王柯代永芳安玉钏黄玉楠易雨苗波李祉呈常国彪李平钟学燕钟原郑津方全堂
Owner SOUTHWEST PETROLEUM UNIV
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