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Shale weathering index construction method and device

A weathering index and construction method technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as evaluation limitations of shale weathering degree

Inactive Publication Date: 2019-08-02
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method and device for constructing shale weathering index, aiming to solve the problem that the various chemical weathering indexes in the prior art have limitations in evaluating the degree of shale weathering

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  • Shale weathering index construction method and device
  • Shale weathering index construction method and device
  • Shale weathering index construction method and device

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Embodiment Construction

[0021] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0022] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0023] refer to figure 1 , figure 1 A schematic flowchart of a method for constructing a shale weathering index provided by an embodiment of the present invention. The method in this embodiment may include:

[0024] Step 101. Obtain the first parameter of the core s...

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Abstract

The method is suitable for the technical field of rock geochemistry, and provides a shale weathering index construction method and device. The method comprises: obtaining a first parameter of a rock core sample and a second parameter of an outcrop sample, and comparing the first parameter with the second parameter, wherein the first parameter and the second parameter both comprise organic geochemical parameters, rock physical parameters, main trace elements and rock mineral compositions; determining a plurality of key parameters indicating the shale weathering degree according to the comparison result of each parameter in the first parameter and a corresponding parameter in the second parameter; and determining the weight of each key parameter through an improved feature vector method, andconstructing a shale weathering index indicating the shale weathering degree according to the weight. According to the shale weathering index construction method and device provided by the invention,the shale weathering degree can be accurately evaluated.

Description

technical field [0001] The invention belongs to the technical field of rock geochemistry, and more specifically relates to a construction method and device for a shale weathering index. Background technique [0002] Since Clayton et al. studied the weathering characteristics of black shale, the research on the influence of black shale by chemical weathering has received a lot of attention, and the research focus is mainly on the change between weathering and rock mineral element composition. Some scholars have also discussed the characteristics of organic matter and carbon isotope changes in the process of weathering. The chemical weathering index, which is closely related to the degree of rock weathering, is widely used to analyze soil development, climate change, In the study of tectonic evolution, element activity law, etc., it is an important index to clarify the element activity law of epigenetic process. The criterion of shale weathering degree and the influence of w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 郭睿波张金川唐玄
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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