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Coal seam internal water-rich property calculation method and device and electronic equipment

A calculation method and water-rich technology, which can be applied in water resources assessment, climate sustainability, and electromagnetic wave detection, etc., can solve the problems of unable to suppress false anomalies and low accuracy of detection results, and achieve accurate determination and improve detection accuracy.

Active Publication Date: 2020-04-07
中国煤炭地质总局地球物理勘探研究院
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method cannot suppress false anomalies, and the result has multiple solutions, resulting in low accuracy of detection results

Method used

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  • Coal seam internal water-rich property calculation method and device and electronic equipment
  • Coal seam internal water-rich property calculation method and device and electronic equipment
  • Coal seam internal water-rich property calculation method and device and electronic equipment

Examples

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Effect test

Embodiment 1

[0061] refer to figure 1 The flow chart of a method for calculating water-richness inside a coal seam is shown, which can be executed by electronic devices such as computers and processors. The method mainly includes steps S101 to S106:

[0062] Step S101, using the ground transient electromagnetic method to obtain a normalized induced voltage value.

[0063] Step S102, calculating the apparent conductivity according to the normalized induced voltage value.

[0064] Step S103, using the wireless electromagnetic wave perspective method to obtain the electromagnetic wave field strength.

[0065] Step S104, calculating the attenuation coefficient according to the field strength of the electromagnetic wave.

[0066] Step S105, calculating the dielectric constant of the coal seam according to the apparent conductivity and the attenuation coefficient.

[0067] Step S106, determining the water-richness inside the coal seam according to the dielectric constant of the coal seam. Amo...

Embodiment 2

[0098] refer to image 3 A schematic diagram of a water-rich calculation device inside a coal seam is shown, including:

[0099] The first acquisition unit 301 is configured to acquire a normalized induced voltage value by using a ground transient electromagnetic method.

[0100] The apparent conductivity calculation unit 302 is configured to calculate the apparent conductivity according to the normalized induced voltage value.

[0101] The second acquisition unit 303 is configured to acquire the field strength of electromagnetic waves by means of wireless electromagnetic wave perspective.

[0102] The attenuation coefficient calculation unit 304 is configured to calculate the attenuation coefficient according to the electromagnetic wave field strength.

[0103] The dielectric constant calculation unit 305 is configured to calculate the coal seam dielectric constant according to the apparent conductivity and the attenuation coefficient.

[0104] A determining unit 306, conf...

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Abstract

The invention provides a coal seam internal water-rich property calculation method and device and electronic equipment, and relates to the technical field of coal seam water-rich property, and the method comprises the steps: obtaining a normalized induction voltage value through adoption of a ground transient electromagnetic method; calculating apparent conductivity according to the normalized induction voltage value; acquiring electromagnetic wave field intensity by using a wireless electromagnetic wave perspective method; calculating an attenuation coefficient according to the electromagnetic wave field intensity; calculating and obtaining a coal seam dielectric constant according to the apparent conductivity and the attenuation coefficient; determining the coal seam internal water-richproperty according to the coal seam dielectric constant. The coal seam internal water-rich property calculation method and device and electronic equipment can effectively improve the detection precision of the water-rich property of the coal seam.

Description

technical field [0001] The invention relates to the technical field of water-rich properties of coal seams, in particular to a calculation method, device and electronic equipment for water-rich properties inside coal seams. Background technique [0002] In the prior art, a single technical method is usually used to detect the water-richness inside the underground working face of the coal mine. However, this method cannot suppress false anomalies, and the result has multiple solutions, resulting in low detection accuracy. Contents of the invention [0003] The purpose of the present invention is to provide a method, device and electronic equipment for calculating the water-richness inside the coal seam, which can effectively improve the detection accuracy of the water-richness of the coal seam. [0004] In a first aspect, the present invention provides a method for calculating water-richness inside a coal seam, including: [0005] Obtain the normalized induced voltage val...

Claims

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Application Information

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IPC IPC(8): G01V3/30
CPCG01V3/30Y02A90/30
Inventor 罗国平赵云刘镜竹齐朝华田雪丰
Owner 中国煤炭地质总局地球物理勘探研究院
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