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Oil and gas potential of the Aldan-Maya depression

A.F. Safronov , O.N. Chalaya, I.N. Zueva, A.I. Sivtzev

Original article

DOI https://doi.org/10.18599/grs.2019.1.64-70

64-70
rus.
eng.

open access

Under a Creative Commons license

The prospects of oil and gas potential of the Aldan-Maya depression, located in the south-eastern part of the Siberian platform, are considered. The lithological-stratigraphic characteristic of the Riphean-Cambrian section has been given, and the compositional features of the organic matter and its bituminous part have been considered. Based on the analysis of geological development history and the seismic exploration results (2014), the platform part territory of the Aldan-Maya depression along the western border expanded to the middle flow of the Amga River. Three main oil and gas potential reservoirs were separated in the cross section of the depression on base geological and geochemical data. The most prospective areas are the middle flow of the Ingili River (the right inflow of the Maya River), where crystal basement is on the surface (Khabarovsk region), and row anticline structures at adjacent platform part near the Aldan-Amga interfluve of the Republic of Sakha (Yakutia).

According to the seismic exploration data of “Yakutskgeofizika” OJSC (2014-2016), six local low-amplitude structures of submeridional strike were identified: Belkachy, Bilir, Taryng-Elga, South-Bilir, Mil, Taryng. In our opinion the Belkachy local structure located on the western margin of the Aldan-Maya depression could be the most prospective object. In its western pericline, an oil seepage is detected on the surface. In conclusion we suggest at a long-term perspective to prolong research on oil and gas potential of the upper part of the Malgin suite of the Middle Riphean as a prospective area of shale oil and gas.

 

Aldan anteclise, Aldan-Maya depression, Malgin suite, domanicoid deposits, prospective oil and gas bearing complexes, shale oil

 

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Alexander F. Safronov (23.12.1940-10.05.2017)
Institute of Oil and Gas Problems of the Siberian Branch of the Russian Academy of Sciences
2, Petrovsky st., Yakutsk, 677980, Russian Federation

Olga N. Chalaya
Institute of Oil and Gas Problems of the Siberian Branch of the Russian Academy of Sciences
2, Petrovsky st., Yakutsk, 677980, Russian Federation

Iraida N. Zueva
Institute of Oil and Gas Problems of the Siberian Branch of the Russian Academy of Sciences
2, Petrovsky st., Yakutsk, 677980, Russian Federation

Alexei I. Sivtzev
Institute of Oil and Gas Problems of the Siberian Branch of the Russian Academy of Sciences
2, Petrovsky st., Yakutsk, 677980, Russian Federation

 

For citation:

Safronov A.F., Chalaya O.N., Zueva I.N., Sivtzev A.I. (2019). Oil and gas potential of the Aldan-Maya depression. Georesursy = Georesources, 21(1), pp. 64-70. DOI: https://doi.org/10.18599/grs.2019.1.64-70