2003•IOR 2003 - 12th European Symposium on Improved Oil RecoveryRequires access

Geo-Modelling of Ancient Shallow Marine and Coastal Depositional Systems

S.V. Klimov

Abstract

Geo-Modelling of ancient shallow marine and coastal depositional systems (West Siberia Basin). S.V.Klimov Sibneft-NNG The Neokom Strata is one of the major thick clastic successions of the West Siberian basin. Detailed correlation of well logs has identified depositional cycles of the Neokom strata. Every depositional cycles bounded by maximum flooding events were characterized by depocenter shifting shelf-margin or delta progradation and depositional system evolution and lasted several million years. For the past years studies of Siberian depositional cycles are based on sequence stratigraphical and lithmological fundamentals. Large of oil and gas reservoirs of Western Siberia associated with non- structural lithological

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Key concepts: Sedimentary depositional environment, Progradation, Geology, Paleontology, Structural basin, Delta, Aerospace engineering, Engineering