Riphean petroleum systems of the western part of Siberian platform

S. V. Frolov, K. O. Sobornov, A. K. Khudoley, G. G. Akhmanov, E. V. Kozlova

Research output: Contribution to conferencePaperpeer-review

Abstract

After discoveries of large oil-and-gas fields within Yuribchen-Tokhoma Zone the Riphean deposits are considered as a promising object for an exploration. The rocks are quite widespread and probably have been deposited within several anisochronous basins. During pre-Vendian these deposits have undergone irregular erosion and deformations, which have occurred at western periphery of the platform to larger extent. This period has effaced a significant volume of Riphean sediments and has complicated their distribution as well as during this time a majority of already formed hydrocarbon accumulations have been obliterated. Source rocks are known at various levels within each basin. According to basin oil-and-gas formation modeling, the Upper Riphean source rocks had to make the biggest contribution to formation of recently present fields. Their maximum hydrocarbon generation shall be attributed to Early - Middle Paleozoic. Riphean reservoirs are placed in weathering crust of carbonates and have been formed under favourable combination of tectonic and lithological factors.

Original languageEnglish
StatePublished - 1 Jan 2008
Event3rd International Conference and Exhibition on Saint-Petersburg-2008 on Geosciences: From New Ideas to New Discoveries - Saint Petersburg, Russian Federation
Duration: 7 Apr 200810 Apr 2008

Conference

Conference3rd International Conference and Exhibition on Saint-Petersburg-2008 on Geosciences: From New Ideas to New Discoveries
Country/TerritoryRussian Federation
CitySaint Petersburg
Period7/04/0810/04/08

Scopus subject areas

  • Geophysics

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