Abstract
The complex tectonic structure of the Okhotsk Sea shelf and the high level of geodynamic activity necessitate the use of geodynamic simulations to forecast the secondary filtration-capacity properties of reservoirs. The 3D geomechanical models were built and the forecasting of the fractured porosity and permeability was conducted for the Kirinskaya, Ayashskaya, and East-Odoptinskaya license areas. The simulation revealed filtration channels, where both vertical and horizontal migration of hydrocarbons occur. It was found that the secondary permeability of the upper and the lower stratigraphic horizons of the studied area significantly differ. The Okobykai clayey member is the boundary surface and serves as the regional cap. All calculations were performed on the 3D-grid geological model, which allows us to use the data for hydrodynamic simulation.
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Zaitsev, V.A., Ryabukhina, S.G., Dmitrievskaya, T.V., and Bondarev, A.V., Geomechanical modeling of reservoir properties of the Kirinskoe license area (Sakhalin shelf), in Mater. konf. “Fundamental’nyi bazis innovatsionnykh tekhnologii poiskov, razvedki i razrabotki mestorozhdenii nefti i gaza i prioritetnye napravleniya razvitiya resursnoi bazy TEK Rossii” (Proc. Conf. “The Fundamental Basis of Innovative Technologies of Prospecting, Exploration and Development of Oil and Gas and Priority Directions of Development of Resource Base of Fuel and Energy Complex of Russia”), Moscow: Izd. Tsentr Gubkin Ross. Gos. Univ. Nefti Gaza, Moscow, 2016, pp. 99–104.
Zaitsev, V.A., Ryabukhina, S.G., Dmitrievskaya, T.V., and Sizikov, E.A., The evaluation of secondary filtration parameters by the geomechanical modelling of the Ayashsky license area (Sakhalin shelf), in Mater. konf. “Fundamental’nyi bazis innovatsionnykh tekhnologii poiskov, razvedki i razrabotki mestorozhdenii nefti i gaza i prioritetnye napravleniya razvitiya resursnoi bazy TEK Rossii” (Proc. Conf. “The Fundamental Basis of Innovative Technologies of Prospecting, Exploration and Development of Oil and Gas and Priority Directions of Development of Resource Base of Fuel and Energy Complex of Russia”), Moscow: Izd. Tsentr Gubkin Ross. Gos. Univ. Nefti Gaza, Moscow, 2016, pp. 104–108.
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Original Russian Text © V.A. Zaitsev, V.Yu. Kerimov, S.G. Ryabukhina, A.V. Bondarev, 2017, published in Vestnik Moskovskogo Universiteta, Seriya 4: Geologiya, 2017, No. 5, pp. 16–23.
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Zaitsev, V.A., Kerimov, V.Y., Ryabukhina, S.G. et al. Modern Geodynamics and its Influence on the Secondary Filtration Properties of the Reservoirs of the Northeastern Part of the Sakhalin Shelf. Moscow Univ. Geol. Bull. 72, 391–398 (2017). https://doi.org/10.3103/S0145875217060102
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DOI: https://doi.org/10.3103/S0145875217060102