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Russian Geology and Geophysics

2001 year, number 11-12

Evaporite screens of oil and gas reservoirs in the Siberian and Tarim Platforms

G. S. Fradkin, Jin Zhijun, A. K. Basharin, and S. Yu. Belyaev
Keywords: Evaporites, screen, reservoir, Siberian Platform, Tarim Platform
Pages: 1945-1953

Abstract

Vendian-Cambrian and Devonian evaporite and salt sequences have been reliably distinguished in the sedimentary cover of the Siberian Platform, the lower part of which controls the economic petroleum potential of Precambrian reservoirs, and the upper one shows good prospects for productivity of subsalt and intersalt beds. In this context it is suggested that evaporate sequences in the Tarim Platform, which occur in Cambrian, Carboniferous, and Paleogene sections, make a subject of a special study in terms of their screening role in order to refine the prospecting guidelines for hydrocarbon pools in the subsalt reservoirs of the Tarim petroleum province.