PHYSICAL AND MATHEMATICAL MODELING OF TRANSIENT ELECTROMAGNETIC SOUNDINGS OVER SALT-DOME STRUCTURES
N.Yu. Bobrov1, S.S. Krylov1, E.Yu. Antonov2, A.N. Shein2, N.P. Smilevets3
1St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199034, Russia
2A.A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia
3SK Geovizor LLC, ul. Kol'skaya 2/6, Moscow, 129344, Russia
Keywords: Physical modeling, mathematical modeling, electromagnetic soundings, transient electromagnetic method, salt-dome structures
Abstract
This paper presents the results of physical and mathematical modeling performed to evaluate the potential of transient electromagnetic sounding in areas of salt-dome tectonics. Two geoelectric arrays are considered: an array with an inductive source (a horizontal loop) and an array with a mixed-type source (a horizontal current line). It is shown that the transient electromagnetic method provides important information on the relief of the top of salt deposits.
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