In an attempt to develop and ramp up the production of the oil fields in Western Siberia, mainly in the Tomsk and Omsk Regions, a joint venture (JV) has been formed. Gazprom Neft, Mubadala Petroleum and the Russian Direct Investment have entered into this joint venture. After this procurement Mubadala Petroleum and RDIF have 44% and 5% equity, while Gazprom Neft has 51% interest in the JV.