The method of active mapping and monitoring of heterogeneous complex-structured two-phase medium is proposed. The method can be used in control of viscous oil production in mine conditions and light oil recovery in subhorizontal wells. The standards of economically efficient and complete extraction of hydrocarbons dictate creation of new oil and gas production technologies based on the fundamental achievements in geophysics and geomechanics. A new 2D modeling algorithm is developed for sound diffraction on porous moisture-saturated inclusions alternating with plastic and elastic interbeds in a j-th layer on an N-layered elastic hierarchical medium. The hierarchical inclusions in each interlayer may differ in physical and mechanical properties. By its complexity, this model conforms with the real geological structure of reservoirs. Phase diagrams are used to estimate the fluid-saturated rock mass response to external impact and the change in rock mass behavior under restructuring. These results are the framework for construction of new systems for mapping and monitoring of geological systems, chiefly, for mapping and efficient production prediction in oil and gas reservoirs.

Acknowledgements: This study was carried out under the Fundamental Research Program for the Department of Earth Sciences of the Russian Academy of Sciences 1: Fundamental Problems of Geology, Sedimentology as well as Geochemistry of Oil and Gas, Development of New Technologies for Prediction, Exploration and Engineering of Conventional and Nonconventional Hydrocarbon Fields. Prediction of Growth of Resources and Supply in the Oil-and-Gas and Petroleum Chemistry Industries in Russia up to 2030 and in the Long Term up to 2050.

For citation: Khachay O. A., Dryagin V. V., Khachay O. Yu. Modeling and use of phase diagrams in the analysis of active acoustic monitoring data on oil wells. Gornyy informatsionno-analiticheskiy byulleten'. 2019;3:74-87. [In Russ]. DOI: 10.25018/0236-1493-2019-03-0-74-87.


Сomposite hierarchical medium, elastic, porous, two-phase, acoustic field, iteration algorithm of 2D modeling, mapping and monitoring method.

Issue number: 3
Year: 2019
ISBN: 0236-1493
UDK: 517+550.3+550.8.053
DOI: 10.25018/0236-1493-2019-03-0-74-87
Authors: Khachay O. A., Dryagin V. V., Khachay O. Yu.

About authors: O.A. Khachay, Doctor of Physical and Mathematical Sciences, Leading Researcher, Senior Researcher, e-mail:, Institute of Geophysics of Ural Branch, Russian Academy of Sciences, 620016, Ekaterinburg, Russia, V.V. Dryagin, Candidate of Technical Sciences, LLC «Scientific and Production Company Intensonik», 620016, Ekaterinburg, Russia, O.Yu. Khachay, Candidate of Physical and Mathematical Sciences, Assistant Professor, Ural Federal University, 620002, Ekaterinburg, Russia. Corresponding author: O.A. Khachay, e-mail:


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