Articles with "electromagnetic method" as a keyword



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Mapping the near-surface geoelectrical structure of the Mottled Zone using the very low frequency–electromagnetic method

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Published in 2020 at "Journal of Applied Geophysics"

DOI: 10.1016/j.jappgeo.2020.104240

Abstract: Abstract Mottled Zones (MZ) in south Levant regions show discrete, varied-dimensional rock complex exposures and many unexplored areas in the vicinity of the Dead Sea Transform Fault (DSF). The research area, located south of the… read more here.

Keywords: resistivity; frequency electromagnetic; electromagnetic method; using low ... See more keywords
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Stress detection and measurement in ferromagnetic metals using pulse electromagnetic method with U-shaped sensor

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Published in 2017 at "Measurement"

DOI: 10.1016/j.measurement.2017.04.001

Abstract: Abstract This paper proposed a pulse electromagnetic method (PEM) with a specially designed U-shaped sensor to detect and measure stress in ferromagnetic metals, which is derived from pulsed eddy current (PEC) and pulse magnetic flux… read more here.

Keywords: shaped sensor; measurement; stress; electromagnetic method ... See more keywords
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Prediction of reservoir saturation field in high water cut stage by bore-ground electromagnetic method based on machine learning

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Published in 2021 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2021.108678

Abstract: Abstract The prediction of oil saturation by bore-ground electromagnetic method provides a new expression for reservoir fluid. However, due to the complexity of the internal environment of reservoir and the influence of construction cost, the… read more here.

Keywords: reservoir; method; saturation; electromagnetic method ... See more keywords
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Comparison of response characteristics between the electromagnetic method of “Earth-ionosphere” mode and traditional magnetotellurics

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Published in 2019 at "Exploration Geophysics"

DOI: 10.1080/08123985.2019.1685865

Abstract: ABSTRACT As an emerging electromagnetic exploration method, the electromagnetic method of “Earth-ionosphere” mode utilises a fixed high-power long-source antenna to emit extremely low frequency electromagnetic waves. Signals can be received with a large source–receiver offset… read more here.

Keywords: method earth; response; method; electromagnetic method ... See more keywords
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A Review of Electrical and Electromagnetic Methods for Coal Mine Exploration in China

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2951774

Abstract: During the past 20 years, due to the rapid development of China’s economy, the amount of coal mining activities has rapidly increased, which has led to a large increase in the number of mined-out areas.… read more here.

Keywords: method; electromagnetic methods; electromagnetic method; exploration ... See more keywords
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2.5-D Inversion of Advanced Detection Transient Electromagnetic Method in Full Space

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2019.2962963

Abstract: The transient electromagnetic method (TEM) can be applied in detecting coal mining heading face with multiple angles. However, a 1-D inversion scheme cannot fit this kind of multi-angle data-receiving system well, nor reducing detection accuracy.… read more here.

Keywords: inversion; method; electromagnetic method; inversion method ... See more keywords
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The Progress of the Helicopter-Borne Transient Electromagnetic Method and Technology in China

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2972916

Abstract: The central and western regions of China have appropriate conditions for mining development, but there are many deserts, swamps and forest-covered areas in this vast land. As a result, the traditional on-ground methods are difficult… read more here.

Keywords: helicopter borne; development; electromagnetic method; technology ... See more keywords
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Study on Electrical Properties of Multilayered Spherical Earth by Wireless Electromagnetic Method

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3070702

Abstract: The wireless electromagnetic method (WEM), a new method combining geophysics and radio physics, can be used for seismic monitoring, ionospheric structure exploration and electrical structure detection within a depth of 10m underground. As the wavelength… read more here.

Keywords: wireless electromagnetic; earth; method; electromagnetic method ... See more keywords
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Exploring multiple electrical layers overlying coal seams using the transient electromagnetic method

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Published in 2022 at "PLOS ONE"

DOI: 10.1371/journal.pone.0273423

Abstract: The transient electromagnetic method (TEM) is widely applied in coal hydrogeological exploration owing to its sensitivity to low-resistivity bodies. However, when a coal seam is buried deep, particularly if there are multiple electrical layers in… read more here.

Keywords: overlying coal; coal; electrical layers; electromagnetic method ... See more keywords