The characteristics of the distribution of bi-, tri-, tetra-, and pentacyclic terpanes in Jurassic and Cretaceous Kalmykia crudes were investigated. It was found that these crudes are distinguished by high relative concentrations of tri-, tetra-, and pentacyclic C19-C35 terpanes and C14-C16 bicyclic terpanes (sesquiterpanes). It was shown that these crudes contain all ten of the C14-C16 sesquiterpanes usually present in crude oils and that the Jurassian and Cretaceous crudes can not only differ with respect to the generally accepted indexes – tri-, tetra-, and pentacyclic terpanes, but also with respect to these hydrocarbons.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 2, pp. 39 – 42, March – April, 2010.
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Okunova, T.V., Badmaev, C.M., Giruts, M.V. et al. Characteristics of the distribution of Bi-, Tri-, Tetra-, and pentacyclic terpanes in Kalmykia crude oils. Chem Technol Fuels Oils 46, 120–126 (2010). https://doi.org/10.1007/s10553-010-0197-4
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DOI: https://doi.org/10.1007/s10553-010-0197-4