Abstract
The work is devoted to substantiating the lithological interpretation of dielectric logging data in the Bazhenov Formation intervals, based on the frequency dispersion effect of bazhenites. Mathematical modeling shows the high sensitivity of the relative amplitude-phase characteristics to the frequency-dependent electrophysical characteristics of carbonate-siliceous-clay deposits in a high-frequency range. The results of the study indicate the fundamental possibility of dielectric logging data numerical inversion to highlight the main lithological types of the Bazhenov Formation rocks.
Highlights
The work is devoted to substantiating the lithological interpretation of dielectric logging data in the Bazhenov Formation intervals, based on the frequency dispersion effect of bazhenites
Mathematical modeling shows the high sensitivity of the relative amplitude-phase characteristics to the frequency-dependent electrophysical characteristics of carbonatesiliceous-clay deposits in a high-frequency range
The results of the study indicate the fundamental possibility of dielectric logging data numerical inversion to highlight the main lithological types of the Bazhenov Formation rocks
Summary
The work is devoted to substantiating the lithological interpretation of dielectric logging data in the Bazhenov Formation intervals, based on the frequency dispersion effect of bazhenites. По результатам лабораторных исследований керна и обработки данных высокочастотного электромагнитного каротажного зондирования (ВЭМКЗ) выявлен и детально изучен эффект частотной дисперсии УЭС и ОДП отложений баженовской свиты [Павлова и др., 2013; Эпов и др., 2019]. Установление дисперсионных свойств в широком диапазоне операционных частот делает возможным определение относительного содержания породообразующих компонентов карбонатнокремнисто-глинистых высокоуглеродистых пород баженовской свиты, включая органическое вещество и пирит.
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