广域电磁法理论及应用研究的新进展

doi:10.11720/wtyht.2020.0192

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Abstract

Mineral resources are the lifeblood of national economic development. Electromagnetic method is one of the most effective methods to search for mineral resources.With the depletion of shallow resources, developing a both large-depth and high-precision electromagnetic method has become big challenge for all countries in the world, which is also the research hotspots. Aiming at the problems of shallow depth and low precision of the original artificial source frequency domain electromagnetic methods,from theory, method, technology to application, the author carried out systematic research and invented WIDE FIELD ELECTROMAGNETIC METHOD. It is a great leap forward for the development of frequency domain electromagnetic method from coarse to fine. As a result, the achievements of "large depth and high precision wide field electromagnetic exploration technology and equipment" have been formed, it won the First Prize of National Technological Invention in 2018.Wide field electromagnetic method provides a new technical means for oil and gas exploration, deep prospecting, coal mine water disaster detection, geological disaster prevention, fracturing monitoring and urban geophysical exploration. It has strongly supported the "deep ground" strategy oriented to the major needs of the country.The papers collected in this column are mainly distributed in the technical research fields of solid mineral, shale gas and geothermal exploration, fracturing monitoring and airborne geophysical application. This paper focuses on these papers and discusses the development of the theory and application of wide field electromagnetic method.

Key words： large deep high precision wide field electromagnetic method pseudo-random signal

Received: 03 July 2020 Published: 26 October 2020

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Cite this article:

Ji-Shan HE. New research progress in theory and application of wide field electromagnetic method[J]. Geophysical and Geochemical Exploration, 2020, 44(5): 985-990.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2020.0192 OR https://www.wutanyuhuatan.com/EN/Y2020/V44/I5/985

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