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PRODUCTS OF THERMAL DECOMPOSITION AND KINETICS FOR IMMATURE AND MATURE KEROGEN FROM THE BAZHENOV SOURCE ROCK FORMATIONGold Open Access

Authors: E. Leushina, P. Mikhaylova, E. Kozlova, V. Polyakov, N. Morozov and M. Spasennykh
Event name: 29th International Meeting on Organic Geochemistry
Session: Posters - Source Rocks
Publication date: 02 September 2019
DOI: 10.3997/2214-4609.201902829
Language: English
Info: Extended abstract, PDF ( 571.77Kb )

Summary:
The kinetic study kerogen transformation to gas and liquid hydrocarbons is required for understanding and modeling of geological (petroleum system modeling) and technological (thermal EOR in application to source/oil shale rocks) processes. Kinetics of the Bazhenov formation kerogen thermal decomposition has been studied for the samples of different maturity. Two approaches were applied, including bulk kinetics, representing the total yield of hydrocarbons, and compositional kinetics, describing various products yields. Results show, the organic matter maturation influences the composition and the amount of kerogen decomposition products as well as kinetics of the process, closely related to the molecular structure of the remained kerogen. We experimentally proved that at each conversion stage the predominant products of the Bazhenov kerogen decomposition are liquid hydrocarbons.

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