ELECTRODYNAMIC RESPONSE OF ANISOTROPIC MEDIUM OVER HYDROCARBONS TO THE INFLUENCE OF PROBING SIGNALS

HERALD OF POLOTSK STATE UNIVERSITY. Series С FUNDAMENTAL SCIENCES Pub Date : 2024-04-24 DOI:10.52928/2070-1624-2024-42-1-69-75

V. Yanushkevich

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Abstract

A study was carried out of the electrodynamic response of an anisotropic medium over hydrocarbons under the influence of probing signals for pulsed and dual-frequency modes with a predominance of high-frequency signals. The characteristics of the geological profile above hydrocarbon deposits were studied using pulse signals depending on the carrier frequency and period of the radio pulse. For the dual-frequency signal mode, the dependences of the material and phase components of the surface impedance of the studied medium over oil and gas fields were modeled depending on the amplitude and frequency ratios. It has been established that an increase in the dielectric constant of the geological profile above the deposits leads to a decrease in resonance frequencies and the values of the absolute component of surface impedance Ż11. The revealed manifestations of anomalous effects expand information about the characteristics of the environment above deposits under the influence of pulsed electromagnetic waves and are of practical interest for exploratory geophysics. The results obtained can be used for electrical prospecting when creating equipment for detecting oil and gas fields.

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碳氢化合物上各向异性介质对探测信号影响的电动响应

对碳氢化合物上方各向异性介质在高频信号为主的脉冲和双频探测信号影响下的电动响应进行了研究。根据无线电脉冲的载波频率和周期，使用脉冲信号研究了碳氢化合物矿床上方地质剖面的特征。对于双频信号模式，根据振幅和频率比，对油气田上所研究介质表面阻抗的材料和相位分量进行了建模。结果表明，矿床上方地质剖面介电常数的增加会导致共振频率和表面阻抗绝对分量Ż11 值的降低。所揭示的异常效应表现扩展了脉冲电磁波影响下矿床上方环境特征的信息，对地球物理勘探具有实际意义。在制造油气田探测设备时，所获得的结果可用于电气勘探。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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HERALD OF POLOTSK STATE UNIVERSITY. Series С FUNDAMENTAL SCIENCES

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