G.G. Shemin, S.A. Moiseev, A.G. Vakhromeev, O.A. Smirnov, P.A. Glazyrin, M.S. Pulyaevsky, P.S. Lapin, E.V. Deev
New assessment of petroleum potential of Vendian-Lower Cambrian carbonate deposits in central regions of Lena-Tungussky Petroleum Province
DOI 10.47148/0016-7894-2025-5-53-73
Key words: pay zone; reservoir; impermeable bed; petroleum potential; exploration target.
For citation: Shemin G.G., Moiseev S.A., Vakhromeev A.G., Smirnov O.A., Glazyrin P.A., Pulyaevsky M.S., Lapin P.S., Deev E.V. New assessment of petroleum potential of Vendian-Lower Cambrian carbonate deposits in central regions of Lena-Tungussky Petroleum Province. Geologiya nefti i gaza. 2025;(5):53–73. DOI: 10.47148/0016-7894-2025-5-53-73. In Russ.
Funding: The work was carried out within the framework of the projects No. FWZZ-2022-0008 and FWZZ-0280-2021-0008 of the Fundamental Scientific Research.
The authors formulate a new strategy of oil and gas exploration works focused on Vendian and Cambrian carbonate deposits in central regions of Lena-Tungussky Petroleum Province. Similar to terrigenous formations of the region, these sequences are one of the key focus areas for all the stages of geological exploration for hydrocarbon raw materials. The paper for the first time presents an integrated characteristic of seven most promising horizons (Б12, Б11, Б10, Б5, Б3-4, и Б1). Stratigraphic position of these horizons, their composition, and depositional settings are discussed. Reservoir quality and impermeable bed properties are evaluated. The most significant justification for the high oil and gas potential of the carbonate formations of the subsalt Vendian-Cambrian carbonate subsalt sequence is the results of pilot testing of the Preobrazhensky Б10 Reservoir at an oil and gas condensate field carried out by Rosneft over the past five years. The company drilled wells with horizontal shafts and multi-stage hydraulic fracturing. Industrial oil inflows were received from all wells. The results of studies presented in the paper have changed principally the author’s understanding of prospecting and appraisal strategy in the region under consideration. The fact that the studied sequences must be the main object in preparing HC raw material reserves together with the Vendian terrigenous deposits rather than only associated rocks, makes reliability of the previously identified objects higher.
Georgii G. Shemin ORCiD
Doctor of Geological and Mineralogical Sciences,
Chief Researcher
The Trofimuk Institute of Petroleum Geology and Geophysics,
Siberian Branch of the Russian Academy of Sciences,
3, pr. Akademika Koptyuga, Novosibirsk, 630090, Russia
e-mail: SheminGG@ipgg.sbras.ru
SPIN: 2517-9680
Sergei A. Moiseev Scopus
Candidate of Geological and Mineralogical Sciences,
Senior Researcher
The Trofimuk Institute of Petroleum Geology and Geophysics,
Siberian Branch of the Russian Academy of Sciences,
3, pr. Akademika Koptyuga, Novosibirsk, 630090, Russia
e-mail: MoiseevCA@ipgg.sbras.ru
SPIN: 3876-1470
Andrey G. Vakhromeev ORCiD
Professor, Doctor of Geological and Mineralogical Sciences,
Head of Laboratory
Institute of the Earth’s Crust SB RAS,
128, ul. Lermontova, Irkutsk, 664033, Russia
e-mail: andrey_igp@mail.ru
Oleg A. Smirnov Scopus
Doctor of Geological and Mineralogical Sciences,
Chief Geologist
LLC INGEOSERVICE
211 ul.Republic, Tyumen, 625019, Russia
e-mail: smirnov.oa@gmail.com
Pavel A. Glazyrin ORCiD
Bachelor of Science
Novosibirsk
State University,
2, ul. Pirogova, Novosibirsk, 630090, Russia
e-mail: glazyrinpa@ipgg.sbras.ru
Maxim S. Pulaevsky ORCiD
Chief specialist
JSC Verkhnechonskneftegaz
3 pr. Bolshoy Liteyny, Irkutsk, 664007, Russia
Е-mail: mspulyaevskiy@rosneft.ru
Pavel S. Lapin
Candidate of Geographical Sciences
Senior Researcher
The Trofimuk Institute of Petroleum Geology and Geophysics,
Siberian Branch of the Russian Academy of Sciences,
3, pr. Akademika Koptyuga, Novosibirsk, 630090, Russia
Е-mail: LapinPS@ipgg.sbras.ru
SPIN: 1822-5349
AuthorID: 59027
Evgeny V. Deev ORCiD
Doctor of Geological and Mineralogical Sciences
Chief Researcher
The Trofimuk Institute of Petroleum Geology and Geophysics,
Siberian Branch of the Russian Academy of Sciences,
3, pr. Akademika Koptyuga, Novosibirsk, 630090, Russia
e-mail: DeevEV@ipgg.sbras.ru
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