Stratigraphic Distribution of Oil and Gas Resources of the Timan-Pechora Basin

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Abstract
The bulk of the hydrocarbon resources of the Timan-Pechora basin on the northeastern margin of the Russian platform is hosted in reservoirs and traps in the Middle Devonian-Triassic stratigraphic interval, the second of three Phanerozoic first-order cycles. The stratigraphic positions of source rocks, reservoirs, and seals within this important first-order cycle bear specific and predictable relationships to stages within second-order transgressive-regressive cycles. Anticlinal traps constitute 12-15% of the surface area of the basin and host about 75% of the discovered reserves. In addition, numerous styles of stratigraphic and combination traps are recognized. Understanding of the stratigraphy of the basin points to many additional reservoirs and trap styles that as yet are underexplored. The prospects for significant future discoveries of oil and gas in the Timan-Pechora basin are high.

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