Geochemistry of Kerogens of Jurassic Deposits of the North of Western Siberia
https://doi.org/10.18599/grs.2024.4.4
Abstract
This work studies the geochemical features of the composition of kerogens from Jurassic deposits in the north of Western Siberia. The patterns of changes in the pyrolytic and isotopic characteristics of organic matter were established, information was obtained on its genetic type, maturity and residual oil and gas generation potential of organic matter. In the Jurassic deposits, the main oil-producing complexes were identified (Bazhenov horizon), as well as horizons capable of producing predominantly gaseous hydrocarbons due to their high maturity (Malyshevsky, Leontievsky, to a lesser extent Levinsky, Kiterbyutsky).
Keywords
organic matter,
kerogen,
elemental composition,
carbon isotope composition,
pyrolysis,
Jurassic deposits,
north of Western Siberia
Supporting agencies: This work was supported by the FNI projects No. FWZZ-2022-0011, FWZZ-2022-0012
About the Authors
L. S. Borisova
Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Lyubov S. Borisova – Dr. Sci. (Geology and Mineralogy), Associate Professor, Leading Researcher.
3 Ak. Koptyug av., Novosibirsk, 630090
A. N. Fomin
Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
Russian Federation
Russian Federation
Aleksandr N. Fomin – Dr. Sci. (Geology and Mineralogy), Chief Researcher at the Laboratory of Oil and Gas Geochemistry, Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences; NSU.
3 Ak. Koptyug av., Novosibirsk, 630090
P. S. Kim
Novosibirsk State University
Russian Federation
Russian Federation
Natal’ya S. Kim – Cand. Sci. (Geology and Mineralogy), Senior Researcher.
3 Ak. Koptyug av., Novosibirsk, 630090
E. S. Yaroslavtseva
Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Ekaterina S. Yaroslavtceva – Researcher.
3 Ak. Koptyug av., Novosibirsk, 630090
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Review
For citations:
Borisova L.S., Fomin A.N., Kim P.S., Yaroslavtseva E.S. Geochemistry of Kerogens of Jurassic Deposits of the North of Western Siberia. Georesursy = Georesources. 2024;26(4):20-31. (In Russ.) https://doi.org/10.18599/grs.2024.4.4
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