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PETROLEUM PROSPECTS AND ESTIMATION OF RESOURCES OF BOTUOBA HORIZON IN THE EAST OF THE CENTRAL-TUNGUSKA (SYUGDZHER) PETROLEUM REGION OF THE REPUBLIC OF SAKHA (YAKUTIA)

S. A. Moiseev, A. M. Fomin, D. V. Maslov

A. A. Trofimuk Institute of Petroleum Geology and Geophysics, Novosibirsk, Russia

The main petroleum prospects of the eastern part of the Central Tunguska (Syugdzher) petroleum region (PR) are associated with terrigenous deposits of Vendian and Lower Cambrian. The Botuoba productive horizon is one of the most promising. Numerous deposits are associated with this horizon in the Nepa-Botuoba PR. In the east of the Central Tunguska (Syugdzher) PR, there are also significant prospects for identifying large oil and gas accumulations in this horizon. The paper describes the structure and substantiates petroleum prospects of the Botuoba horizon in the eastern part of the Central Tunguska (Syugdzher) PR. On the basis of detailed correlation, it is shown that the horizon in the area under study occurs in the form of three isolated unevenaged bars. An estimation of hydrocarbon resources of the Botuoba horizon is presented.

Keywords: Syugdzher petroleum region, Vendian, horizon, bar system, hydrocarbon resources.

DOI 10.20403/2078-0575-2018-3-25-34