Catagenesis of organic matter Bazhenov Formation rocks in the south-east of West Siberia (Tomsk region)

Authors: I.V. Goncharov, V.V. Samoilenko, N.V. Oblasov, S.V. Fadeeva (TomskNIPIneft JSC, RF, Tomsk)
E-mail: GoncharovIV@nipineft.tomsk.ru
Key words: Bazhenov formation, geochemical studies, catagenesis, oil, Western Siberia.
Catagenesis organic matter Bazhenov Formation rocks south-east of Western   Siberia assessed by different methods: vitrinite reflectance of coal (Upper Jurassic), pyrolysis Rock-Eval, GC-MS of extracts. It is shown that it is preferable to use the parameters defined directly for the rocks of the Bazhenov Formation. At the same time, more informative in assessing the organic matter catagenesis Bazhenov Formation rocks in the study area is the metildibenzotiofen ratio 4MDBT/1MDBT.

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