--> Abstract: Hydrocarbon System Framework of Russia: Pre-Cambrian to Present-Day, by Michael A. Sullivan, Steve Creaney, Bob J. Ferderer, Niall McAllister, Erik Fjellanger, Han Van Gorsel, and Bernard C. South; #90072 (2007)
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Hydrocarbon System Framework of Russia: Pre-Cambrian to Present-Day

Michael A. Sullivan1, Steve Creaney1, Bob J. Ferderer1, Niall McAllister1, Erik Fjellanger2, et al.
1ExxonMobil Exploration Company, Houston, TX
2ExxonMobil Exploration Company, London, United Kingdom

Russia's tectonic evolution provides a framework by which we can understand hydrocarbon system development. Petroleum System timing ranges from Pre-Cambrian to Recent, producing complex petroleum habitats. East Siberian Riphean Previous HitsourceNext Hit rocks define the oldest systems, being matured under Vendian load and reservoired in Vendian glacial sands.
During mid-late Paleozoic the protracted convergence of Baltica, Kazakstan & Siberia ruptures Paleozoic plays in West Siberia but establishes conditions appropriate for Previous HitsourceNext Hit deposition and loading in the Volga-Ural and Timan Pechora basins. Permo-Triassic Uralian foreland sedimentation generally by-passed Timan Pechora, pouring into the Russian Barents, driving potential Domanik Previous HitsourceNext Hit rocks over mature. Mesozoic coals provide the Previous HitsourceNext Hit of gas to the prolific Shtokman field.
Accretionary crust of West Siberia provides the foundation for Mesozoic deposition including Early Jurassic and Early Cretaceous ‘coaly' sources together with the prolific Late Jurassic oil prone Bazhenov. Trap formation occurs as a result of Previous HitfarNext Hit-field Previous HiteffectsNext Hit of both the India collision and Eurasian basin opening.
Russia's polar regions are built on a foundation of Proterozoic & Paleozoic platforms, exhumed foldbelts and forelands. Mesozoic opening of the Arctic ocean dispersed the Late Paleozoic Ellesmerian orogenic collage. Of central concern for hydrocarbon exploration is the age and nature of the enigmatic preserved sedimentary cover. Superimposed on the East Siberian Platform are Juro-Cretaceous and Tertiary deformations that represent the juxtaposition of Pacfic accretion, convergence and possibly Previous HitfarTop-field Arctic processes.
Latest Cretaceous-Tertiary opening of the Eurasian basin results in collapse of the South Anuii- Verkhoyansk foldbelt and diversion of the Lena River into the Arctic Ocean. Tertiary depositional systems draining the vast Asian continent, represent the most recent hydrocarbon habitats.

 

AAPG Search and Discovery Article #90072 © 2007 AAPG and AAPG European Region Conference, Athens, Greece