THE INTERPRETER: OPEC no longer oil market key regulator, US is - Rosneft CEO — "The struggle for market share is one of the factors affecting oil prices. This is reflected in the budget revenues,” Sechin added. He also said that production costs for Russian oil companies are the lowest in the world - $4 per barrel. At Rosneft the figure is even lower - $2.80, which is the best in the world, according to Sechin : RT Business