Interrelation between properties of viscous oils and the level of thermal flux in territories of the Volgo-Uralskiy, Western Siberian and Timano-Pechorskiy pools

Abstract

Fluctuations of basic properties of viscous oils of the Volgo-Uralskiy, Western Siberian and Timano-Pechorskiy oil-and-gas-bearing basins have been investigated depending on the level of thermal flux. The gaging analysis of spatial distribution of a thermal flux in territory of basins has been carried out. The dependence between thermal flux level and oil viscosity is established. It is shown that oil viscosity decreases with increase in thermal flux level. Interrelations between different contents of sulphur, paraffin, pitches and asphaltenes in oils and thermal flux level are studied. It is shown that with increase of thermal flux level the content of sulphur, pitches and asphaltenes decreases and the content of paraffin increases