Abstract
The article is devoted to the study of the processes of migration and accumulation of hydrocarbons in the Meso-Cenozoic complex of the Black Sea-Caspian region. The results of the modeling made it possible to study and model the processes of migration and accumulation of hydrocarbons in hydrocarbon systems in the Meso-Cenozoic complex of the Black Sea-Caspian region. All simulated petroleum systems are characterized by migration from the main reservoir, which lies directly above the simulated oil and gas source stratum, to the overlying ones. This is due to the peculiarities of the formation of sedimentary formations under conditions of alternating regressions and transgressions. The factor stimulating migration is the active tectonic regime of the studied sedimentary basins. Based on the modeling results, the conclusion about the wide development of hydrocarbon flow processes is consistent with the presence of multilayer deposits. It has been established that extended catagenetic zoning is typical for subsidence areas, which is due to the high rates of sedimentation and subsidence, and, accordingly, the large thickness of oil source deposits in the oil formation focus. Keywords: Black Sea-Caspian region; modeling; migration; accumulation; oil and gas source strata; deposit; sediments; organic matter.
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