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Geology & Geochemistry of Combustible Minerals No. 3-4 (172-173) 2017, 9-28.
Olesya SAVCHAK
Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, e-mail: igggk@mail.lviv.ua
Abstract
The Eastern oil- and gas-bearing region of Ukraine is the youngest one as regards the discovery of commercial hydrocarbon deposits and the greatest one in terms of volume of explored reserves and hypothetical resources. It is confined to the Dnieper-Donets Depression. There were more then 240 hydrocarbon deposits discovered here. We have analyses the geochemical composition of oil and condensate for 3 main structural-tectonic elements of the region: northern, southern edges and depression, as well as we have carried out comparative analysis of the composition of natural hydrocarbons within the limits of the region. The analysis of the peculiarities of geological structure and oil and gas presence together with available geochemical data has made it possible to come to a conclusion about that the formation of oil and gas deposits in the Eastern oil- and gas-bearing region was caused both by lateral and vertical migration of hydrocarbons.
Keywords
geochemical features, migration, hydrocarbons, Eastern oil- and gas-bearing region of Ukraine.
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