Evaluation of secondary filtration parameters of low-permeability shale strata of the Maikop series of Central and Eastern Ciscaucasia by the results of geomechanics modeling

UDK: УДК 553.98.061.32
Key words: Maikop series, the Caucasus, geodynamic processes, shale hydrocarbons, geomechanics modeling
Authors: V.Yu. Kerimov, R.N. Mustaev, S.S. Dmitrievsky (Gubkin Russian State University of Oil and Gas (National Research University), RF, Moscow), V.A. Zaitsev (Lomonosov Moscow State University, RF, Moscow)

Development of hydrocarbons resources of shale formations is one of the most promising trends in the modern global oil and gas industry. In the context of the progressive reduction of proven hydrocarbon reserves in traditional fields, exploration and development of unconventional oil and gas resources are very important. In this regard, evaluation of the secondary filtration parameters of low permeability shale strata of the Maikop series of central and eastern Ciscaucasia is the highly relevant. Within Central and Eastern Ciscaucasia fracture rocks Khadum suite has a significant impact on the degree of its permeability, which is determined by the type of deposits, the degree of their disturbance and tectonic stress field. Three-dimensional geomechanics model of the study area allowed to assess the permeability of rocks Khadum secondary suite, which is a layer of oil source. The identified areas of higher permeability values are the most favorable for the production of shale oil and gas accumulations.

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