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Digital rock core three-dimensional structure reconstruction method using two-dimensional slice image

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: 2021-02-19
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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  • Digital rock core three-dimensional structure reconstruction method using two-dimensional slice image
  • Digital rock core three-dimensional structure reconstruction method using two-dimensional slice image
  • Digital rock core three-dimensional structure reconstruction method using two-dimensional slice image

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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] Such as 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;

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Abstract

The invention discloses a digital rock core three-dimensional structure reconstruction method using a two-dimensional slice image, and the method comprises the steps: training a parallel single imagegenerative adversarial network model, learning the distribution of two-dimensional images, and reconstructing a rock core structure in a three-dimensional space through combining with a Markov chain Monte Carlo method. The method can reflect anisotropism of the rock, can reliably and effectively restore a real rock core structure for the rock with high heterogeneity, and is good in pore connectivity, higher in calculation speed and wider in 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 Applications(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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