The major Russian oil brand is Urals - the export blend, which is still used for pricing bulk of the Russian "black gold" going to the global markets.
Siberian Light has a lower sulfur content and lower viscosity than Urals Blend which is a mixture of crude oils consisting of Siberian Light with high sulphur oils produced in Russia’s European regions.
Density: 35.1° API (American petroleum Institute), sulfur content: 0.57 %.It is similar in composition to Brent and WTI, which belong to the so called light Sweet Oil low-sulfur light oil, which accounts for most of the world's demand.
Siberian Light is a light oil grade exported via Russia's Black Sea port of Novorossiisk, along with Urals. The main producers of Siberian Light oil are Rosneft, LUKOIL, Surgutneftegaz, Gazprom Neft.
2083
Siberian Light
Russian Export Blend Crude Oil (REBCO) is coming in 2 main qualities: Urals and Siberian Light.