APPLICATION OF TWO-FREQUENCY ELECTROMAGNETIC WAVES FOR DETERMINING THE PROPERTIES OF A MEDIUM OVER HYDROCARBONS
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Abstract
The article analyzes the application of two-frequency electromagnetic waves using a powerful low-frequency signal to search and delineate the boundaries of hydrocarbon deposits. The characteristics of the anisotropic medium above the deposits were investigated on the basis of the received response from the effect of a twofrequency signal. The real and phase components of the combined elements of the dielectric constant tensor, the absolute, imaginary and phase characteristics of the surface impedance of the medium over hydrocarbons are analyzed. The analysis of the characteristics of the medium over hydrocarbons for electromagnetic waves with right and left circular polarizations is carried out depending on the frequency, the ratio of signal amplitudes and conductivity. It has been established that, based on the amplitude and phase characteristics of the components of the dielectric constant tensor and surface impedance of the medium over hydrocarbons, it is possible to diagnose the media while increasing the productivity of exploration and the accuracy of determining the boundaries of hydrocarbon deposits.
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