Energy policy of Russia and in a few cases explicit political demands are evident. Starting 1 January 2007 Gazprom increased the price of natural gas to Azerbaijan from US$110 to $235 per thousand cubic metres. (At the time, Gazprom charged the EU US$250.) Azerbaijan refused to pay this price and the gas supply to Azerbaijan stopped. On its side, Azerbaijan stopped oil exports to and via Russia. A year earlier, pro-Russian Armenia was hit with the same 100% price increase as Western-oriented Georgia, Vladimir Socor has observed. The Russia-Belarus energy dispute began when Russian state-owned gas supplier Gazprom demanded an increase in gas prices
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