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Hydrocarbon deposits in non-anticlinal traps of the Yamal Peninsula of Western Siberia

V.L. Shuster, A.D. Dziublo, O.A. Shnip

Original article

DOI https://doi.org/10.18599/grs.2020.1.39-45

39-45
rus.
eng.

open access

Under a Creative Commons license

The article considers various types of non-anticlinal traps of the Yamal Peninsula of Western Siberia. The task is to establish the features of their formation and structure. Gas and gas condensate deposits were allocated in the Akhskian formation of the Neocomian section, associated with wedge-shaped traps (Bovanenkovsky, Kharasaveysky fields). This type of lithologically-shielded traps was formed due to clastic material entering the territory of the Yamal Peninsula from the East Siberian Platform, the Yenisei Ridge (from the east) and the Ural Mountains (from the west). Sand and clay material accumulated along the path of underwater hills, where wedging zones formed. Traps of various types are developed in the Jurassic deposits of the region. Traps of tectonically shielded type are formed in areas of the active influence of discontinuous disturbances on the structure of the section (for example, on the Nurminsky Swell). Lithologically-shielded traps are formed on the slopes of the erosive remnants of the paleorelief in zones of terrigenous horizons wedging. Such traps are also formed in zones of their screening by the surface of the pre-Cretaceous erosion. The considered examples made it possible to establish the confinement of various types of traps to the sediment section and their distribution over the area of ​​the Yamal region.

 

gas, oil, clinoforms, non-anticline trap, criterion, hydrocarbon deposit, Western Siberia, Yamal Peninsula

 

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Vladimir L. Shuster
Institute of Oil and Gas Problems of the Russian Academy of Sciences
3, Gubkin st., Moscow, 119333, Russian Federation
E-mail: tshuster@mail.ru

Alexander D. Dziublo
Gubkin Russian State University of Oil and Gas (National Research University)
65, Leninsky ave., 119991, Russian Federation

Oleg A. Shnip
Gubkin Russian State University of Oil and Gas (National Research University)
65, Leninsky ave., 119991, Russian Federation

 

For citation:

Shuster V.L., Dziublo A.D., Shnip O.A. (2020). Hydrocarbon deposits in non-anticlinal traps of the Yamal Peninsula of Western Siberia. Georesursy = Georesources, 22(1), pp. 39-45. DOI: https://doi.org/10.18599/grs.2020.1.39-45