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A Resource Reserve Evaluation Method Using Unidirectional Structural Analysis of Variation Functions

A variation function and structure analysis technology, applied in the field of geological resource exploration, can solve the problems of multi-solution in geological interpretation, cumbersome fitting process, subjectivity of structure recognition, etc., and achieve the effect of fast fitting and reducing artificiality

Active Publication Date: 2021-10-15
中铁资源集团有限公司
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Problems solved by technology

[0062] The purpose of the present invention is to address the problems existing in the prior art, to provide a method for estimating resource reserves using variogram structure analysis in one direction, and to overcome the subjectivity of structure identification, cumbersome fitting process and geological problems of the traditional variogram structure analysis method. Insufficiency of interpreting multiple interpretations

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  • A Resource Reserve Evaluation Method Using Unidirectional Structural Analysis of Variation Functions
  • A Resource Reserve Evaluation Method Using Unidirectional Structural Analysis of Variation Functions
  • A Resource Reserve Evaluation Method Using Unidirectional Structural Analysis of Variation Functions

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Embodiment Construction

[0088] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the description of the present invention.

[0089] In this embodiment, the sampling and analysis data of drilling and trenching engineering are used as regional variables, and based on the Micromine software platform, the specific operation process and implementation cases are discussed. refer to image 3 Flowchart for resource stock assessment using unidirectional variogram structural analysis.

[0090] 1. Basic statistical analysis.

[0091] In this embodiment, the frequency histogram is made with equal-length combined sample data, and basic information statistics are performed, mainly including the distribution range (min and max), mean (m), variance (S 2 ), skewness (k) and other features.

[0092] 2. Use fractal statistics method to obtain the probability distribution P of each component i .

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Abstract

The invention relates to a method for estimating resource reserves using a unidirectional structure analysis of a variation function. The method includes the following steps: performing equal-length combined sampling on the ore section, performing information statistics, and obtaining the distribution range, mean value, variance, and value of the grade value of the sample data. Skewness: For the grade value, construct a fractal model to obtain the probability distribution and the number of components of each component. The component refers to fitting one or more line segments within the fractal range, and each line segment represents a group. Determine the variance of the nugget and part of the sill value; use the information of the number of components and part of the sill value, combined with the characteristics of the experimental variation function curve, to establish the relationship between the range of each component and its part of the sill value; establish the structure analysis of the variation function Links to geological significance, and parameter constraints on resource and reserve estimates, further resource and reserve assessments.

Description

technical field [0001] The invention relates to the field of geological resource exploration, in particular to a method for estimating resource reserves using single-directional structural analysis of variation functions. Background technique [0002] Geological resource reserves are the basis of mine design and development. Using advanced resource reserve estimation methods to improve the accuracy of estimation is of great significance for reducing the risk of mine design, increasing the profitability of mine development, and promoting the sustainable development of mines. In the past half a century, resource reserve estimation has gradually developed into a modern mainstream geostatistical method (Kriging method) from the traditional block method, parallel section method, polygon method, and distance inverse power ratio method. Geostatistical estimation has the characteristics of optimal unbiased estimation, which considers the spatial relationship of geological variables...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F17/18G06F111/04G06F111/10
CPCG06F17/18G06F30/20
Inventor 高帮飞谢徽沈阳张作伦
Owner 中铁资源集团有限公司
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