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There are various methods of oil shale thermal processing with the purpose to generate primary energy product -so-called shale gas -however, methods that do not require the extraction of rock to the surface are of special interest [1]. In these methods, shale gas is extracted directly from the stratum as it is heating up, in one way or another.The aim of this work is to build a model of thermal decomposition of shale strata when they are heated by electromagnetic field.The model takes into account the phenomenon of thermal conductivity, interphase heat and mass transfer, thermal effect of chemical reactions and gas flow in the pores.Due to significant anisotropy of properties, shale stratum can be represented in the form of a solid porous plane, which has evenly distributed heat sources formed by electrodes, the distance between which L is much larger than their radii R 0 .The geometry of the computational domain is shown in Fig.

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