الوصف

The name petroleum covers both naturally occurring unprocessed crude oil and petroleumproducts that are made up of refined crude oil. A fossil fuel, petroleum is formed when large quantities of dead organisms, usually zooplankton and algae, are buried underneath sedimentary rock and subjected to both intense heat and pressure.Russian Export Crude Oil with a mixture formed in the system of pipeline Transneft by mixing heavy sour crude Ural from the Volga region and low-sulfur oil in Western Siberia, the relevant characteristics to the brand Urals.