Three-dimensional geologic modeling method based on GOCAD (Geological Object Computer Aided Design)

A technology of three-dimensional geology and modeling method, which is applied in the field of three-dimensional geological modeling based on GOCAD, can solve the problem of not being able to directly, completely and accurately understand and feel the underground three-dimensional geological conditions, unable to fully display the law of spatial changes, and the fluctuation of spatial geological bodies Changes and poor directness and other issues, to achieve the effect of effective guidance

Inactive Publication Date: 2018-03-16
中国煤炭地质总局水文地质局
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Problems solved by technology

[0002] In traditional coal mine water prevention and control research work, the analysis and interpretation of geological and hydrogeological data are generally limited to two-dimensional and static expressions, which describe the fluctuations and changes of spatial geological bodies and have poor directness, and often cannot fully display their spatial change laws , it is not easy to directly, completely and accurately understand and feel the three-dimensional underground geological conditions

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  • Three-dimensional geologic modeling method based on GOCAD (Geological Object Computer Aided Design)
  • Three-dimensional geologic modeling method based on GOCAD (Geological Object Computer Aided Design)

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[0030] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0032] A three-dimensional geological modeling method based on GOCAD, the process is as follows:

[0033] Step 1: Data analysis, import, and point set generation

[0034] If there is a measurement original data point file, the file can be imported into GOCAD in text format; when there is no measurement original data point file, the contour line can be extracted from the topographic map, and the AUTOCAD drawing can be saved in DXF format and imported as a DXF file GOCAD.

[0035] Analyze the distribution of boreholes and well logs and the data obtained, vectorize the geological section to form an ascⅡ file, and input it into Gocad to form a three-dimensional geological surface. The res...

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Abstract

The invention provides a three-dimensional geologic modeling method based on GOCAD (Geological Object Computer Aided Design). The method comprises the following processes that: 1) carrying out data analysis and importing, and generating a point set; 2) establishing and constructing a topographic surface; 3) generating a borehole; 4) carrying out modeling on a rock stratum surface and a construction surface; 5) editing a hook face; and 6) establishing a grid / entity model. By use of the method, field actual measurement discrete geological prospecting data can be used for fitting and interpolation, a three-dimensional geologic model with information, including terrains simulated at a ratio, a stratum boundary, attributes and the like, is established, geologic structure information can be specifically embodies through three-dimensional visualization, coal mine production and water prevention and treatment work can be visually guided through the visualization, a new meaning and method is provided for the analysis and the research of the water prevention and treatment work, and the method has an effective guidance meaning for the analysis of a mine coal water prevention and treatment scheme.

Description

technical field [0001] The invention belongs to the field of coal mine water prevention and control, in particular to a GOCAD-based three-dimensional geological modeling method. Background technique [0002] In traditional coal mine water prevention and control research work, the analysis and interpretation of geological and hydrogeological data is generally limited to two-dimensional and static expressions, which describe the fluctuations and changes of spatial geological bodies and have poor directness, and often cannot fully display its spatial change laws , it is not easy to directly, completely and accurately understand and feel the three-dimensional underground geological conditions. Nowadays, with the rapid development of computer technology and the in-depth research of digital geology, 3D geological modeling and display has become a reality. The successful application of 3D geological modeling and visualization technology in water conservancy and hydropower engineer...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/05
CPCG06T17/05
Inventor 胡建青卢玲敏周莹
Owner 中国煤炭地质总局水文地质局
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