Russian oil production rose 1.25 percent in 2011 to a record level for the post-Soviet era, as companies in the world's largest crude-producing nation took advantage of higher prices and boosted output at new projects.
Production grew to an average of 10.27 million barrels a day, according to preliminary data from the Energy Ministry's CDU-TEK unit.
The average price for Urals crude, Russia's benchmark grade, for delivery to northwestern Europe jumped 40 percent to $109.30 a barrel, according to data compiled by Bloomberg.
Rosneft, Russia's biggest producer, raised average output from its Vankor field, one of the country's largest, by 18.1 percent last year, according to the Energy Ministry's statistics.
TNK-BP increased average production by 0.7 percent, while LUKoil pumped 5.31 percent less crude in the country last year.