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Regional modeling of hydrocarbon systems of the Bazhenov formation in the West Siberian basin

I.A. Sannikova, A.V. Stoupakova, M.A. Bolshakova, Yu.I. Galushkin, G.A. Kalmykov, R.S. Sautkin, A.A. Suslova, A.G. Kalmykov, E.V. Kozlova

Original article

DOI https://doi.org/10.18599/grs.2019.2.203-212

203-212
rus.

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The Bazhenov formation is a source of unconventional hydrocarbons and a complex object of study. Oil accumulations in the Bazhenov formation are not controlled by the structural factor. In this article, based on the results of basin modeling, the priority geological and geochemical parameters that affect the distribution of unconventional hydrocarbon accumulations in the sediments of the Bazhenov formation are identified. The article describes the initial geological, lithological, petrophysical, geochemical and thermal parameters necessary for the analysis of the hydrocarbon system of the Bazhenov formation. The paper presents the results of calculating a 2D model of a regional sublatitudinal profile of the West Siberian basin. The calibration of geological and thermal models based on the data on reservoir temperatures and pressures, as well as on the vitrinite reflectance (Ro) and Tmax pyrolysis is illustrated. The analysis of the sensitivity of the model to changes in the kinetic spectrum of kerogen destruction of the Bazhenov formation has been carried out. Criteria for localization of the most promising areas of the Bazhenov shale formation are proposed. On the basis of the work done, it was shown that the basin modeling tool in combination with the results of geological and geochemical studies allows us to distinguish promising areas within bituminous formations. The key parameters are maturity of organic matter, the amount of generation and adsorption of hydrocarbons, as well as overpressure zones.

 

Bazhenov formation, basin modeling, unconventional resources, kinetic spectra, productivity criteria

 

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Irina A. Sannikova
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
 
Maria A. Bolshakova
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Yurii I. Galushkin
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
 
Roman S. Sautkin
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Anna A. Suslova
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Anton G. Kalmykov
Lomonosov Moscow State University
1, Leninskie gory, Moscow, 119234, Russian Federation
 
Elena V. Kozlova
Skolkovo Institute of Science and Technology
3, Nobel st., Moscow, 143026, Russian Federation
 

For citation:

Sannikova I.A., Stoupakova A.V., Bolshakova M.A., Galushkin Yu.I., Kalmykov G.A., Sautkin R.S., Suslova A.A., Kalmykov A.G., Kozlova E.V. (2019). Regional modeling of hydrocarbon systems of the Bazhenov Formation in the West Siberian basin. Georesursy = Georesources, 21(2), pp. 203-212. DOI: https://doi.org/10.18599/grs.2019.2.203-212