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Rapidly progressive three-dimensional geologic modeling method

A technology of three-dimensional geology and modeling method, applied in the field of geoscience information processing, can solve the problems of low degree of automation, slow three-dimensional geological modeling, low accuracy, etc. Effect

Active Publication Date: 2015-04-29
CHINA UNIV OF GEOSCIENCES (WUHAN) +1
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a fast and progressive three-dimensional geological modeling method for the defects in the prior art, which can effectively solve the shortcomings of slow speed, low degree of automation and low precision of three-dimensional geological modeling

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  • Rapidly progressive three-dimensional geologic modeling method

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[0045] Such as figure 2 As shown, figure 2 Medium KPt i And KPt i+1 Is the adjacent hole number, KPL i And KPL i+1 Is the adjacent exploration section, L i0 And L’ i0 It is the same strata line of adjacent sections.

[0046] A fast progressive 3D geological modeling method, including the following steps:

[0047] 1) Connect to the database, read in all drilling data, and project them onto a two-dimensional plane; determine the exploration line KL i And KL i+1 , Set the projection distance of the exploration line, project the borehole points that match the projection distance onto the exploration line, and generate the KPL of the exploration line profile drilling map arrangement i And KPL i+1 ;

[0048] 2) The geotechnical personnel performed the KPL analysis on the drilling pattern of the exploration line profile i And KPL i+1 Carry out stratum connection and "coordinate" the vertical projection consistency of stratum connection;

[0049] 3) Import the strata lines of each exploratio...

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Abstract

The invention discloses a rapidly progressive three-dimensional geologic modeling method based on drill holes. The method comprises the following steps: generating a two-dimensional exploration cross-section drill hole arrangement diagram according to one-dimensional drill hole data, and directly performing multidirectional cross-section stratum line connecting and cooperative processing, and is characterized by comprising the following detailed steps: according to the actual position, spreading the cross sections of the drill holes in the multiple directions in a three-dimensional space, using an interpolation algorithm to perform cross section interpolation on the stratum lines with the same attribute, generating a three-dimensional stratum surface, and at last using a top-bottom tessellation algorithm to construct the whole three-dimensional geologic body model. According to the rapidly progressive three-dimensional geologic modeling method disclosed by the invention, the stratum lines and the plane position are more accurate by stratum line connection and cooperative processing, and coordinate correction in the three-dimensional space; the speed and the efficiency for the three-dimensional geologic modeling can be obviously improved by utilizing the interpolation algorithm to generate the stratum surface; according to the model modeled by the method, the more the drill holes and the exploration line data are, the finer the division of the stratum is, and the higher the fineness of the established three-dimensional geologic model is; the method can be popularized and applied to multiple professional three-dimensional geologic modeling software.

Description

Technical field [0001] The invention relates to the technical field of geoscience information processing, in particular to a fast and progressive three-dimensional geological modeling method. Background technique [0002] Three-dimensional geological modeling and its three-dimensional geological body modeling technology is the core technology of three-dimensional geological information system and a hot issue in the field of three-dimensional spatial information system research. At present, 3D solid modeling methods in geographic space are becoming more and more mature, but the rapid construction of complex models is still a problem that needs to be solved urgently. [0003] There are many current 3D geological modeling methods, such as modeling methods based on borehole data, modeling methods based on profile data, and hybrid modeling methods based on multiple map data. Among them, the borehole modeling method has a higher degree of automation and faster speed, but the accurac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/05
CPCG06T17/05
Inventor 李新川唐丙寅吴冲龙何珍文翁正平张志庭田宜平李章林刘刚张夏林徐凯
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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