A Fitting Method of Geological Surface Based on Logical Neighborhood

A surface fitting and geological technology, applied in the field of geological surface fitting based on logical neighborhood, can solve the problems of large point error ratio and inability to accurately reflect the spatial distribution of three-dimensional surfaces, and achieve the effect of accurate data

Active Publication Date: 2018-05-08
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0008] The purpose of the invention is: in order to solve the problems in the prior art that the point error ratio after interpolation is large and the spatial distribution of the three-dimensional curved surface cannot be accurately reflected, the present invention proposes a logical neighborhood-based geological surface fitting method

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  • A Fitting Method of Geological Surface Based on Logical Neighborhood
  • A Fitting Method of Geological Surface Based on Logical Neighborhood
  • A Fitting Method of Geological Surface Based on Logical Neighborhood

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[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] Such as figure 1 As shown, it is a schematic flow chart of the logical neighborhood-based geological surface fitting method of the present invention. A logical neighborhood-based geological surface fitting method, comprising the following steps:

[0050] A. Construct a three-dimensional Delaunay triangulation according to the three-dimensional discrete seed points on the geological surface;

[0051] B. Search for the seed points corresponding to the points to be interpolated and interpolate the points to be interpolated according to the searched seed points to construct the adjacency relat...

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Abstract

The invention discloses a geological surface fitting method based on logical neighborhood; it includes constructing a three-dimensional Delaunay triangulation network, searching for seed points corresponding to points to be interpolated and performing interpolation on the points to be interpolated to construct grid point adjacency relations, and according to grid point adjacency Relational fit to geological surfaces. The present invention adopts the search method in the logic field, and by constructing a three-dimensional Delaunay triangular network, the seed points obtained by the search are distributed in all directions of the points to be interpolated, so that the interpolated data is more accurate, conforms to the trend of the space surface, and is fitted according to the interpolated data The resulting surface is more in line with the real shape of the space surface.

Description

technical field [0001] The invention belongs to the technical field of geological surface fitting, in particular to a logical neighborhood-based geological surface fitting method. Background technique [0002] Three-dimensional complex geological structure modeling is the basis of geometric ray forward modeling, Gaussian ray forward modeling and acoustic wave equation forward modeling. However, due to the complexity of the problem, 3D structural modeling has always restricted the development and application of the optimal design of the 3D observation system. [0003] 3D geological structure modeling technology is the key technology in 3D geological modeling, and it plays an increasingly important role in the process of oil and gas resource exploration. The basic process is: based on the data of geological surfaces (horizon planes and fault planes) obtained from seismic interpretation, a certain geological surface reconstruction algorithm is used to generate spatial surfaces...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/30
Inventor 鲁才周博
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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