Abstract
The study is aimed at analyzing the applicability of the logging tool with toroidal coils in the sections of deviated oil-and-gas wells. We carried out a three-dimensional finite-difference simulation of the electromagnetic signals in geoelectric models of oil-, gas-, oil-water- and water-saturated reservoirs for the entire set of operating modes, frequencies and positions of the receiver toroidal coils. Characteristic features of the signals were revealed depending on the resistivity contrast and reservoir thickness at various well deviation angles.
Highlights
The study is aimed at analyzing the applicability of the logging tool with toroidal coils in the sections of deviated oiland-gas wells
We carried out a three-dimensional finite-difference simulation of the electromagnetic signals in geoelectric models of oil, gas, oil-water- and water-saturated reservoirs for the entire set of operating modes, frequencies and positions of the receiver toroidal coils
Characteristic features of the signals were revealed depending on the resistivity contrast and reservoir thickness at various well deviation angles
Summary
The study is aimed at analyzing the applicability of the logging tool with toroidal coils in the sections of deviated oiland-gas wells. Актуальным представляется изучение сигналов каротажных зондов с тороидальными катушками, и ЗЭТ в частности, при изменении зенитного угла скважины, что и составляет цель представленного исследования. ЧИСЛЕННОЕ МОДЕЛИРОВАНИЕ СИГНАЛОВ ЗЭТ ПРИ ИЗМЕНЕНИИ ЗЕНИТНОГО УГЛА СКВАЖИНЫ: ОСОБЕННОСТИ
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