Three-dimensional resistivity sounding application method based on non-uniform measuring network

An application method and resistivity technology, which is applied in the application field of three-dimensional resistivity bathymetry based on non-uniform measuring network, can solve the problem of limited coverage of effective data, achieve the goals of increasing detection depth, accurate inversion results, and reducing costs Effect

Active Publication Date: 2019-11-22
李忠平
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Problems solved by technology

Other permutations are rarely used because of less effective data coverage

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  • Three-dimensional resistivity sounding application method based on non-uniform measuring network
  • Three-dimensional resistivity sounding application method based on non-uniform measuring network
  • Three-dimensional resistivity sounding application method based on non-uniform measuring network

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] The 3D data format using the non-uniform measurement network does not need to follow the requirements of the high-density electrical Wenner or equidistant quadrupole arrangement, as long as the relative positions or coordinates of the electrodes are determined, the non-uniform measurement network data format can be formed for 3D inversion , the electrical sounding profiles can be arranged equidistantly or not equidistantly. The only thing is that the electrical sounding profile should not be too sparse, which ...

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Abstract

The invention discloses a three-dimensional resistivity sounding application method based on the non-uniform measuring network. A three-dimensional resistivity data volume is constructed by utilizinga conventional 2D resistivity meter and a sparse large-network-degree large-polar-distance electrical sounding profile, electrodes are arranged in a symmetrical quadrupole device, and three-dimensional inversion is carried out by utilizing the least square method. According to the observation method, detection depth is increased, cost is reduced, spatial characteristics of a geologic body are effectively reflected, and detailed data are provided for borehole layout.

Description

technical field [0001] The invention relates to the technical field of geological exploration, in particular to a three-dimensional resistivity sounding application method based on an uneven measuring network. Background technique [0002] Three-dimensional exploration of high-resolution geology and mineral resources is the goal of the development of electrical methods. Collecting high-resolution electrical three-dimensional observation data and carrying out three-dimensional inversion are the keys to the three-dimensional fine structure detection of resistivity in the survey area. At present, the three-dimensional observation method of resistivity bathymetry is an important aspect of research. It is not only related to the efficiency and cost of field observation, but also related to the resolution and inversion effect of data. [0003] Existing data show that the commonly used 3D inversion of resistivity can only meet the requirements of shallow 3D exploration, and is most...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/38
CPCG01V3/38
Inventor 李忠平
Owner 李忠平
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