Results 1 to 10 of about 649,523 (336)
Development of the Inversion Method for Transient Electromagnetic Data [PDF]
Transient electromagnetic method (TEM) is a geophysical tool to obtain resistivity distribution in the subsurface. Combining with the resistivity property of typical rocks, the TEM method can make inferences of the geological maps underground.
Guoqiang Xue +4 more
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Study on the resolution capability of borehole transient electromagnetic method [PDF]
Water hazards present a significant challenge in the construction of coal mine tunnels. The borehole transient electromagnetic method (BTEM) is a detection technique that positions both the transmitter and receiver coils within a borehole, effectively ...
Tao Fan +9 more
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Goal Mine Detection with Transient Electromagnetic Method and Magnetic Method
Coal mine goaf is rather severe safety hazard during the process of coal mining. Besides, it is also difficult to be detected accurately. Based on the electrical, magnetic and physical properties of coal mine goaf, the paper proposes the comprehensive ...
Zhengyuan Jia +3 more
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Application of Transient Electromagnetic Method in Detection of Goaf
To study the method of using transient electromagnetic method to detect the goaf of the integrated mine, on the basis of studying the principle of transient electromagnetic method and investigating the background noise, the goaf in the industry square ...
SUN Yingfeng, LUO Xiao, GAO Yirui, WANG Pengpeng, DONG Chuanlong, HE Yongchang
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Numerical simulation of transient electromagnetic over casing wells with compensating coils [PDF]
In the middle and late stages of oil and gas field development, improving the accuracy of resistivity measurement is of great significance in assessing the residual oil saturation of reservoirs.
Zhiqiang Li +5 more
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Study on the Fast Transient Process of Primary Equipment Operation in UHV Fixed Series Capacitors Based on PEEC Method [PDF]
This manuscript proposes a fast transient simulation method based on PEEC to model overvoltage caused by spark gap and disconnecting switch operations in UHV series compensation (FSC).
Baojiang Tian +7 more
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Transient electromagnetic detection method in water-sealed underground storage caverns
Taking advantage of the water sensitivity of the transient electromagnetic method (TEM), this study assesses the effectiveness of the water curtain system for underground LPG storage caverns during the excavation period.
Fang Lin, Shougen Chen, Guowei Ma
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Research on Transient Electromagnetic Detection Method for Substation Site Selection [PDF]
A transient electromagnetic detection method for site selection of substation grounding is proposed in this paper. And taking the fault detection experiment of transmission lines in a certain area of China as an example, the transient electromagnetic ...
Bo Yang +3 more
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Due to the large terrain fluctuation and drop in Qianshuta well field, the layout of the ground large loop transient electromagnetic method detection device is limited. In order to find out the distribution range of goaf under the second Shanjing line of
Yi MU +5 more
doaj +1 more source
The study of the transient electromagnetic detection device with small sized coil and easy installation underground will offer new insights into the real-time dynamic exploration and forecast water-bearing structure in excavation roadway.By drawing on ...
Shi Zhihao +3 more
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