Composition and structure of deposits of oil and gas bearing preobrazhenskiy horizon of Savostyanovskoye oil field (Eastern Siberia)
Authors: E.A. Zhukovskaya, Ya.N. Roshchina, E.D. Polumogina, M.N. Shelykhaeva (TomskNIPIneft JSC), M.I. Shaminova (National Research Polytechnic University)
As a result of research the coastal-marine genesis of carbonate deposits of preobrazhenskiy horizon of Savostyanovskoye oil field is established. The substantial (mineral and organic) composition and structural features of dolomite, structure and quantitative characteristics of the void space of rocks are determined. On the basis of lithological, petrophysical and tomographic studies of core two types of reservoirs - porous and fractured porous ones – are isolated and characterized.
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