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Drilling geological section modeling method based on topology

A technology of geological section and modeling method, applied in 3D modeling, filling plane with attributes, image data processing, etc., can solve problems such as difficult quantitative evaluation of geological section, and achieve the effect of improving model accuracy

Pending Publication Date: 2020-10-09
CCCC GUANGZHOU DREDGING
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Problems solved by technology

[0005] Due to the large uncertainty in the geological modeling analysis based on drilling exploration, it is usually difficult for us to quantitatively evaluate which of the geological profiles obtained by different modeling methods is closer to the real situation without supplementary drilling operations

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  • Drilling geological section modeling method based on topology
  • Drilling geological section modeling method based on topology
  • Drilling geological section modeling method based on topology

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Embodiment Construction

[0040] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0041] see figure 1 As shown, a kind of topology-based drilling geological section modeling method of the present invention comprises the following steps:

[0042] S1, forming a borehole number sequence for the borehole number, constructing the hole coordinate sequence, the borehole geological layer sequence and the address interface position sequence of each borehole, and reading the borehole data;

[0043] S2. Determine the borehole adjacency, that is, use the Voronoi function to analyze the spatial adjacency of each borehole exploration point in the borehole number sequence to obtain the adjacency of each borehole point in the borehole number sequence. A collection of...

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Abstract

The invention discloses a drilling geological section modeling method based on topology. The drilling geological section modeling method comprises the following steps: S1, reading drilling data; S2, judging a drilling adjacency relation; S3, calculating a maximum common subsequence; S4, calculating topology connectivity; S5, connecting the topology nodes; and S6, carrying out drilling section topology visualization. Based on the drilling geological section modeling method based on topology, the drilling data is standardized; the method can be applied to automatic analysis and modeling of various complex geologic bodies; the three-dimensional coordinates of the topology control node are optimized based on the minimum potential energy principle; the geologic model precision is obviously improved; automatic visual processing of the drilling section topology and digital integration of geographic information are achieved, and compared with a traditional geological section map, the built drilling geological section topology is beneficial for further serving for information management of BIM, CIM and the like, data analysis and automation of three-dimensional geological modeling work.

Description

technical field [0001] The invention relates to the technical field of geological modeling, in particular to a topology-based drilling geological section modeling method. Background technique [0002] The geological section map is drawn from the results of borehole survey and is an important way to reflect the structure of geological bodies. The traditional geological profile drawing requires a lot of manual intervention by technicians combined with professional experience, which is highly subjective and inefficient. In this regard, some researches have tried to realize the automatic mapping function. [0003] CN 106846481 B discloses a geological profile generation method based on Kriging interpolation method, which is often used for three-dimensional modeling of simple layered geological bodies, but it is difficult to realize automatic modeling of complex geological bodies such as lenses and stratum pinch-outs , still requires a lot of manual intervention. CN 102646141 ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/05G06T11/40
CPCG06T17/05G06T11/40Y02A90/30
Inventor 殷达汪望明张登泰许向东赵宁李智胡乔辉车岳流
Owner CCCC GUANGZHOU DREDGING
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