Abstract
The concentrates of scattered organic matter—kerogen-like polymer, which is insoluble in acids and organic solvents—were isolated from rock samples taken at different depths from various stratigraphic units at the productive deposits of the Orenburg oil-gas condensate field using chemical methods. The chemical composition of the kerogen-like polymer and the concentrations of trace elements in it were studied. The regularities of evolutionary changes in the composition of the organic matter and the concentrations of trace elements in it in the order of the kerogen-like polymer and the following its consecutive derivatives were established: asphaltenes, ethanol-benzene tars, benzene tars, oils, and paraffins
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Original Russian Text © A.N. Dmitrievskii, N.A. Skibitskaya, L.A. Zekel’, O.K. Navrotskii, E.G. Domanova, N.V. Krasnobaeva, T.A. Pugo, 2011, published in Khimiya Tverdogo Topliva, 2011, No. 3, pp. 60–70.
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Dmitrievskii, A.N., Skibitskaya, N.A., Zekel’, L.A. et al. Composition of insoluble kerogen-like organic polymer in the carbonate rocks of Orenburg gas-condensate deposit. Solid Fuel Chem. 45, 200–208 (2011). https://doi.org/10.3103/S0361521911030025
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DOI: https://doi.org/10.3103/S0361521911030025