The role of different types of migration in the formation of oil and gas fields in Western Siberia (geochemical data)

Authors: I.V. Goncharov, V.V. Samoilenko, N.V. Oblasov, M.A. Veklich, S.V. Fadeeva (TomskNIPIneft JSC, RF, Tomsk)

Key words: Bazhenov formation, geochemistry, migration, oil and gas fields

We consider regional features of various types of hydrocarbon migration in the formation of oil and gas fields in Western Siberia. It is noted that in the case of primary migration of hydrocarbons generated Bazhenov formation, into the underlying reservoir, the driving force of secondary migration may not only be a difference of density of oil and water, but also the pressure difference in the Bazhenov formation and lower-lying collectors.
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