Gazprom where it is constructing Europe's tallest building for its new headquarters. Gazprom is the world`s largest oil producer, with producing oil through the largest natural gas field in the world, the Shtokman field. Gazprom was created in 1989 when the Soviet Ministry of Gas Industry was converted to a corporation, retaining its Russia-based assets. Gazprom is involved in the Russian Government's diplomatic efforts, setting of gas prices, and access to pipelines. Gazprom's production fields are located around the Gulf of Ob in Western Siberia. Plans have also been made to mine the Yamal Peninsula. Gazprom's gas transport system includes 158,200
Gazprom Neft These companies are developing fields in the Yamalo-Nenets and Khanty-Mansi autonomous areas and the Omsk, Tomsk, Tyumen and Irkutsk regions. Gazprom Neft also holds 50% stakes in three dependent companies: Slavneft, Tomskneft and Salym Petroleum Development. In 2010, Gazprom Neft partnered with Novatek to acquire 51%of SeverEnergia which owns Arktikgaz and Urengoil companies. In 2012, Gazprom Neft refined 43.3 million tonnes of oil. The company wholly or partly owns 5 oil refineries (the Omsk Oil Refinery, Moscow Oil Refinery, Slavneft-Yaroslavnefteorgsintez (YANOS) and two oil refineries in Pančevo and Novi Sad that belong to Naftna Industrija Srbije). The company operates around