Design method for deep well three-component magnetic survey system

A three-component magnetic and design method technology, applied in the direction of electric/magnetic detection for logging records, can solve problems such as poor detection ability, and achieve the effects of improving accuracy, improving measurement accuracy, and good output stability

Pending Publication Date: 2020-11-10
中国地质科学院地球物理地球化学勘查研究所
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Problems solved by technology

[0004] The purpose of the present invention is to provide a design method for a deep well three-component magnetic survey system to solve the problem of poor detection ability in deep wells

Method used

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  • Design method for deep well three-component magnetic survey system
  • Design method for deep well three-component magnetic survey system
  • Design method for deep well three-component magnetic survey system

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Embodiment approach

[0057] Such as figure 1 As shown, according to an embodiment of the present invention, a kind of design method for deep well three-component magnetic survey system of the present invention comprises:

[0058] S1. Generate the probe structure scheme of the downhole probe in the deep well three-component magnetic survey system based on the physical environment of the depth detected by the deep well three-component magnetic survey system, and generate the ground acquisition control of the ground acquisition control system of the deep well three-component magnetic survey system System solutions;

[0059] S2. Generate a probe test scheme for downhole probes based on the probe structure scheme;

[0060] S3. Generate a communication link scheme for establishing a communication connection between the downhole probe and the ground acquisition control system based on the probe structure scheme and the ground acquisition control system scheme.

[0061] Such as figure 2 As shown, acco...

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Abstract

The invention relates to a design method for a deep-well three-component magnetic survey system, and the method comprises the steps: S1, generating an exploring tube structure scheme of an undergroundexploring tube in the deep-well three-component magnetic survey system based on the physical environment of the depth detected by the deep-well three-component magnetic survey system, generating a ground acquisition control system scheme of a ground acquisition control system of the deep well three-component magnetic survey system; s2, generating an exploring tube test scheme of the underground exploring tube based on the exploring tube structure scheme; and S3, generating a communication link scheme for establishing communication connection between the underground exploring tube and the ground acquisition control system based on the exploring tube structure scheme and the ground acquisition control system scheme. According to the scheme, the accuracy of deep positioning and inference interpretation of deep ore body (3000-5000m) exploration is improved, and a powerful support is provided for searching deep and hidden mineral resources.

Description

technical field [0001] The invention relates to the field of downhole survey, in particular to a design method for a deep well three-component magnetic survey system. Background technique [0002] The deep well high-precision three-component magnetic survey system is a set of borehole magnetic survey instruments composed of three major parts: high-precision borehole three-component probe, 5000m automatic winch and winch controller, and ground data acquisition system. It is the most effective geophysical equipment for finding magnetite deposits. Especially for deep ore bodies with a buried depth of more than 3000-5000m, the use of ground magnetic prospecting is powerless. The existing three-component magnetometer in the well in China cannot meet the requirements of deep exploration above 3000-5000m in terms of measurement accuracy and measurement depth, and can only be used in the middle and shallow parts (2000-3000m) with low measurement accuracy. How to solve the problem ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/26
CPCG01V3/26
Inventor 李洋冯杰欧洋贾定宇王宇航翟景红刘东明梁明星
Owner 中国地质科学院地球物理地球化学勘查研究所
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