Hydrothermal-metasomatic systems as the most important factor for the formation of elements of the oil and gas-bearing complex in the Bazhenov-abalak sediments
https://doi.org/10.18599/grs.2021.2.14
Abstract
A model of the activity of hydrothermal-metasomatic systems confined to certain structural elements is proposed in the present article. The model is based on the analysis of a large volume of traditional studies: measurements of porosity coefficients, permeability, pyrolytic measurements - together with specific measurements: isotopic composition of carbonate rocks, temperature of homogenization of gas-liquid inclusions, studies of the composition of rocks with a scanning electron microscope, a description of petrographic thin sections. The model allows to generalize the results of the impact of hydrothermal-metasomatic systems on the reservoir properties of the rocks of the BazhenovAbalak complex: constructive – leaching processes and increasing reservoir properties, and destructive – massive mineral formation that fills the pore space, up to the formation of secondary seals.
About the Authors
E. V. Karpova
Lomonosov Moscow State University
Russian Federation
Russian Federation
Evgenia V. Karpova– PhD (Geology and Mineralogy), Associate Professor, Department of Petroleum Sedimentology and Marine Geology
1, Leninskie gory, Moscow, 119234
A. O. Khotylev
Lomonosov Moscow State University
Russian Federation
Russian Federation
Aleksey O. Khotylev – PhD (Geology and Mineralogy), Assistant of the Department of Regional Geology and Earth History
1, Leninskie gory, Moscow, 119234
E. A. Manuilova
National Intellectual Development Foundation
Russian Federation
Russian Federation
Ekaterina A. Manuilova – Senior Perophysicist
27, build. 1, Lomonosovsky ave., Moscow, 119192
A. A. Mayorov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Aleksandr A. Mayorov – Graduate student of the Department of Regional Geology and Earth History
1, Leninskie gory, Moscow, 119234
E. A. Krasnova
Lomonosov Moscow State University;
Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences
Russian Federation
Russian Federation
Elizaveta A. Krasnova – PhD (Geology and Mineralogy), Senior Researcher, Petroleum Geology Department;
Senior Researcher
1, Leninskie gory, Moscow, 119234
O. V. Khotylev
National Intellectual Development Foundation
Russian Federation
Russian Federation
Oleg V. Khotylev – PhD (Geology and Mineralogy), Leading geologist
27, build. 1, Lomonosovsky ave., Moscow, 119192
N. S. Balushkina
Lomonosov Moscow State University
Russian Federation
Russian Federation
Natalia S. Balushkina – PhD (Geology and Mineralogy), Researcher, Petroleum Geology Department
1, Leninskie gory, Moscow, 119234
G. A. Kalmykov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Georgy A. Kalmykov – DSc (Geology and Mineralogy), Professor, Petroleum Geology Department
1, Leninskie gory, Moscow, 119234
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Review
For citations:
Karpova E.V., Khotylev A.O., Manuilova E.A., Mayorov A.A., Krasnova E.A., Khotylev O.V., Balushkina N.S., Kalmykov G.A. Hydrothermal-metasomatic systems as the most important factor for the formation of elements of the oil and gas-bearing complex in the Bazhenov-abalak sediments. Georesursy = Georesources. 2021;23(2):142-151. (In Russ.) https://doi.org/10.18599/grs.2021.2.14
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