Facies Control of the Reservoir Distribution in Lower Devonian Deposits at the Eastern Edge of the Khoreiver Depression (Timan–Pechora Petroliferous Basin)статья
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Аннотация:The Lower Devonian interval in the northeastern Timan–Pechora petroliferous basin is composed of polygenic carbonate rocks. Various depositional environments governed the distribution of different type and quality reservoirs in these rocks. Sedimentation took place in vast tidal plains, shallow sublittoral zones, and carbonate shoals within them. The facies heterogeneity of carbonate rocks led to a different intensity of postsedimentary transformations reflected in the complex morphology of pore space and the consequent variable filtration-capacity characteristics of the Lower Devonian reservoir rocks governing the main productivity of the Lower Paleozoic Timan–Pechora petroliferous basin.