Probabilistic estimation of oil-and-gas prospects of hydrocarbon potential of a pre-Jurassic complex of Western Siberia by means of the geological and mathematical program “Choice”

Authors: V.L. Shuster, S.A. Punanova (Oil and Gas Research Institute of RAS, RF, Moscow)

Key words: oil, basement, Western Siberia, reservoirs, organic matter.

Methodical approach to probabilistic estimation of oil and gas prospects of local objects is to define the integral probability of main geological and geochemical factors, affecting on the formation of oil and gas accumulations in fractured-cavernous rocks. The program "Choice" was used. The most important factors are properties of reservoirs, impermeable beds, hydrocarbon traps, contents and type of organic substance of maternal thicknesses, generation of hydrocarbons.
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