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The effect of catagenetic maturity on the formation of reservoirs with organic porosity in the Bazhenov formation and peculiarities of their extension

A.G. Kalmykov, Yu.A. Karpov, M.S. Topchiy, M.M. Fomina,
E.A. Manuilova, E.V. Sheremeteva, I.O. Tretyakova, N.V. Pronina,
V.A. Shishkov, N.S. Balushkina, N.P. Fadeeva, A.V. Stoupakova,
G.A. Kalmykov

Original article

DOI https://doi.org/10.18599/grs.2019.2.159-171

159-171
rus.

open access

Under a Creative Commons license

Results of Bazhenov formation deposits organic matter complex investigations to assess its oil generation potential and maturity are presented. Researches were performed by Rock-Eval pyrolysis, rock structure analysis using scanning electron microscopy and organic matter transformation and distribution in the bulk of rocks using luminescent microscopy. As a result of the research, the general pattern for the Bazhenov formation kerogen thermal maturity variability along Western Siberia was confirmed, and the high maturity areas delimitation around the Salym high and the Krasnoleninsky arch was significantly specified. The areas of anomalously high maturity are not related to regional patterns of sedimentation. The possible influence of thermal maturity on the unconventional reservoirs with kerogen porosity formation in the Bazhenov formation and the features of their distribution were established. High thermal maturity that refers to the end of oil window is one of the main condition for the Bazhenov formation oil capacity formation, but knowledge of maturity change through the area pattern is not a sufficient condition for unconventional reservoirs including that with kerogen porosity retrieval.

 

Bazhenov formation, organic porosity, unconventional reservoirs, thermal maturation, organic matter, kerogen

 

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Anton G. Kalmykov
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Yury A. Karpov
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Maria S. Topchiy
Lomonosov Moscow State University 1
Leninskie gory, Moscow, 119234, Russian Federation
 
Maria M. Fomina
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Ekaterina A. Manuilova
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Inna O. Tretyakova
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Ekaterina V. Sheremeteva
National Intelligence Foundation
27, build. 1, Lomonosovsky ave., Moscow, 119234, Russian Federation
 
Natalia V. Pronina
Lomonosov Moscow State University, Faculty of Geology
Vorob’evy gory, Moscow, 119899, Russian Federation
 
Vasily A. Shishkov
Institute of Geography of the Russian Academy of Sciences
29, Staromonetny lane, Moscow, 119017, Russian Federation
 
Natalia S. Balushkina
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Natalya P. Fadeeva
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Antonina V. Stoupakova
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Georgii A. Kalmykov
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 

For citation:

Kalmykov A.G., Karpov Yu.A., Topchiy M.S., Fomina M.M., Manuilova E.A., Sheremeteva E.V., Tretyakova I.O., Pronina N.V., Shishkov V.A., Balushkina N.S., Fadeeva N.P., Stoupakova A.V., Kalmykov G.A. (2019). The effect of catagenetic maturity on the formation of reservoirs with organic porosity in the Bazhenov formation and peculiarities of their extension. Georesursy = Georesources, 21(2), pp. 159-171. DOI: https:// doi.org/10.18599/grs.2019.2.159-171