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Three-dimensional geologic model modeling method

A model modeling and three-dimensional geological technology, applied in the field of three-dimensional geological model modeling, can solve the problems of long modeling time, inability to directly import mainstream design software, expensive three-dimensional geological models, etc., and achieve the effect of improving modeling accuracy

Active Publication Date: 2021-02-26
SHANGHAI SHEN YUAN GEOTECHN
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Problems solved by technology

[0003] The present invention is aimed at the existing 3D geological model which is expensive and cannot be directly imported into mainstream design software, which takes a long time to model and requires human-computer interaction to complete the modeling problem, the purpose is to provide a 3D geological model modeling method

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  • Three-dimensional geologic model modeling method

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Embodiment 1

[0139] Embodiment 1, the present invention can generate a more realistic three-dimensional geological model through the above S1 to S4. refer to Figure 13 , the main modeling process of the present invention is:

[0140] (1) Extract borehole data, adopt the method from step S101 to step S103 to establish the sequence applicable to all exploration holes, until the layered number of each borehole is consistent with the sequence to obtain the processed borehole data, the processed The borehole data are used for kriging interpolation, the convex envelope is found by the convex hull algorithm, the physical and mechanical property data of each layer of soil is extracted, and the borehole entity is generated. Among them, after a large number of interpolations are realized by the kriging interpolation method, it is necessary to judge whether the formation surfaces to be generated are interspersed with each other, that is, to use the constraint surface in step S1 for data correction ...

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Abstract

The invention belongs to the technical field of geological modeling, and particularly relates to a three-dimensional geological model modeling method. The three-dimensional geologic model modeling method comprises the following steps: acquiring exploration data of a plurality of exploration holes, extracting drilling data, performing data interpolation according to the drilling data to obtain interpolation data, and integrating the interpolation data and the drilling data into modeling data; generating point cloud data through the modeling data, and generating a stratum curved surface throughthe point cloud data; searching a convex envelope curve by adopting a convex hull algorithm, and cutting the stratum curved surface according to the convex envelope curve to obtain a cut stratum curved surface; and generating a stratum entity through the stratum curved surface, extracting soil layer data from the exploration data, taking the soil layer data as project parameters of the stratum entity, and generating a three-dimensional geological model through the stratum entity. The stratum curved surface generated by the method is smoother and is completely controlled by parameters, and themethod has a good effect on stratum simulation.

Description

technical field [0001] The invention belongs to the technical field of geological modeling, and in particular relates to a three-dimensional geological model modeling method. Background technique [0002] At present, there are many softwares for 3D geological modeling on the market, some of which are relatively mature and widely used, such as GOCAD developed by Nancy University in France, and the 3D modeling and analysis software Micr launched by the Canadian Apollo Technology Group Corporation. The 3D visual modeling software Petrel developed by Lumbercher, the CATIA developed by Dassault of France, the domestically developed Lizheng 3D geological modeling system, the Geo Station series developed based on the Bentley Micro Station v8i platform, Coulomb GEO5, 3DA( Geological Engineer 3D Assistant), Geo I3d (Zhiyan), etc. These softwares are relatively mature in terms of modeling capabilities and can guarantee the fineness of the models. However, the high price, high technic...

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Application Information

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IPC IPC(8): G06T17/05G06T19/20G06T3/40
CPCG06T17/05G06T19/20G06T3/4007
Inventor 马钰栋耿潇唐君辉金淑杰钟建东
Owner SHANGHAI SHEN YUAN GEOTECHN
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