REBCO (Russian Export Blend Crude Oil) - it's sort of the Russian export oil mixture formed in the pipeline system "Transneft" by mixing heavy sour oil Volga-Urals and Western Siberia, sweet crude oil corresponding to the characteristics to make Urals. Currently, the use of appropriate designation Urals (REBCO) - for oil grade Urals, exported from the Russian Federation through the ports of Primorsk and Ust-Luga. Urals oil is a reference oil brand used as a basis for pricing for the Russian export oil mixture. It is a mix of heavy, high-oil of Urals and the Volga region with light oil of Western Siberia. Other reference oils are Brent, West Texas Intermediate and Dubai. Urals brand oil is supplied through Novorossiysk pipeline system and the Druzhba pipeline. In Russia, oil futures class Urals trade on the stock exchange Russian Trading System. At NYMEX it is known under the name of REBCO (Russian Export Blend Crude Oil).