Water-bearing geologic body water-rich property prediction method based on transient electromagnetic method
A transient electromagnetic method and transient electromagnetic technology, which are applied in the fields of electrical/magnetic detection, electrical/magnetic exploration, and geophysical measurement for logging records, which can solve the problem of water-bearing geological bodies with water-rich strength and inability to Realization of quantitative classification and prediction of water-bearing geological bodies
Active Publication Date: 2021-01-12
CCTEG CHINA COAL RES INST +1
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At present, the existing mine transient electromagnetic method can only qualitatively judge the relative strength of the water-richness of the water-bearing geological body, and cannot realize the quantitative classification and prediction of the water-richness of the water-bearing geological body
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[0044] In order to make the purpose, technical solutions and beneficial effects of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Certain embodiments of the invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to these set forth embodiments; rather, these embodiments are provided so that this invention will satisfy applicable legal requirements.
[0045] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "front", "rear" etc. are based on the Orientation or positional relationship is only for the convenience of de...
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The invention provides a water-bearing geologic body water-rich property prediction method based on a transient electromagnetic method, and relates to the technical field of mine safety prevention andcontrol. The water-bearing geologic body water-rich property prediction method based on the transient electromagnetic method comprises the following steps of step 1, conducting mine transient electromagnetic detection; step 2, acquiring double-field information data of the water-containing geologic body and drilling water-rich property information data; step 3, constructing a water-rich propertyintelligent discrimination model of the water-containing geologic body; and step 4, predicting the water-rich property of the water-containing geologic body. The method is applied to detection construction and data processing explanation of a mine transient electromagnetic method, and water-rich property feature extraction and sample set construction are performed by adopting double-field information of a transient electromagnetic diffusion field and a pseudo-seismic fluctuation field, so that the defect of single information feature of transient electromagnetic original data is overcome; a deep neural network algorithm is adopted to carry out optimization approximation on the complex nonlinear relationship between the sample data and the water-containing geologic body water-rich propertyinformation, and deep mining and grading prediction of the water-containing geologic body water-rich property information are achieved.
Description
technical field [0001] The invention relates to the technical field of mine safety prevention and control, in particular to a method for predicting the water-richness of a water-bearing geological body based on a transient electromagnetic method. Background technique [0002] The transient electromagnetic method is a method that uses an ungrounded return line or a grounded line source to emit a pulsed magnetic field underground, and uses coils or grounding electrodes to observe the secondary induced eddy current field caused in the underground medium during the intermittent period of the pulsed magnetic field. Transient electromagnetic method includes ground transient electromagnetic method and mine transient electromagnetic method according to the scope of application. Among them, the mine transient electromagnetic method transceiver device is arranged underground, and is widely used in coal mine underground excavation head-on, roadway and working face bedding and top Floor...
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IPC IPC(8): G01V3/28G01V3/38G06F30/27
CPCG01V3/28G01V3/38G06F30/27Y02A90/30
Inventor 邱浩都海龙李宏杰安晋松李文卫金善张永超杨新亮杨高峰陈健强樊林林崔金亮邢楷张林
Owner CCTEG CHINA COAL RES INST
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