Name: TNK-BP Nationality: Russian Federation Nationality: United Kingdom WebAddress: http://www.tnk-bp.com/ General: TNK-BP is a leading Russian oil company and is among the top ten privately-owned oil companies in the world in terms of crude oil production. The company was formed in 2003 as a result of the merger of BP's Russian oil and gas assets and the oil and gas assets of Alfa, Access/Renova group (AAR). BP and AAR each own 50% of TNK-BP. The shareholders of TNK-BP also own close to 50% of Slavneft, a vertically integrated Russian oil company. TNK-BP is a vertically integrated oil company with a diversified upstream and downstream portfolio in Russia and Ukraine.