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Petrophysical Model of Dependence between Resistivity Saturation Factor and Normalized Effective Porosity

Authors: Kazimir V. KOVALENKO is Doctor of Geological and Mineralogical Sciences, Professor of the Geophysical Information Systems Department, Gubkin Russian State University of Oil and Gas (National Research University). His research interests focus on algorithmical formalization of petrophysical interpretation of well-logging data. He is author and co-author of more than 50 scientific publications. E-mail: kazimirk@hotmail.com
Ziyun CHENG is student of the master’s program at the Geophysical Information Systems Department, Gubkin Russian State University of Oil and Gas (National Research University). Her research interests are petrophysics and well logging analysis.
E-mail: chengziyun7@gmail.com

Abstract: На основании разработанной модели предложены алгоритмы расчета коэффициента нефтегазонасыщенности и способы контроля результатов интерпретации данных комплекса геофизических исследований скважин (ГИС). The paper considers derivation of the dependence between resistivity saturation factor and normalized effective porosity in the zone of maximum hydrocarbon saturation of the reservoir. Verification of the developed parametric model showed good agreement between the calculated values of the resistivity saturation factor and the results of the laboratory petrophysical measurements on core samples from terrigenous reservoirs of Western Siberia.
On the basis of the developed model algorithms for calculating oil and gas saturation coefficient and methods for monitoring the interpretation results of well logging data are proposed

Index UDK: 550.83

Keywords: petrophysical modeling, resistivity saturation factor, effective porosity

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