Related by context. Frequent words. (Click for all words.) 58 Slavneft 57 Naftohaz Ukrainy 57 Tomskneft 56 PetroKazakhstan 56 NOVATEK 56 Yuganskneftegas 56 YUKOS 55 LUKoil 55 AIOC 55 Gazprom Neft 55 Karachaganak 55 LUKOIL 55 Naftogaz Ukrainy 54 Yugansk 53 KazakhGold 53 Russneft 53 Federal Antimonopoly Service 53 Sibneft 52 Rosneft 52 Surgut 52 OAO Lukoil 52 Gazprom 52 Gasprom 52 Yukos 52 CanArgo 52 Bashneft 51 MMC Norilsk Nickel 51 Lukoil 51 Mazeikiu Nafta 51 Yuganskneftegaz 51 Gazpromneft 51 Mazeikiu 51 Det norske 51 overriding royalty 51 Farimex 51 Transneft 50 GeoMet 50 Sibur 50 Atyrau 50 Aker ASA 50 Khanty Mansiysk 50 TNK BP 50 Panna Mukta 50 Sibir 50 Sovcomflot 50 Polyus 50 Primorsk 49 Sibir Energy 49 Tatneft 49 Surgutneftegaz 49 venture TNK BP 49 E.ON Ruhrgas 49 Zarubezhneft 49 western Siberia 49 Uzbekneftegaz 49 Kovykta gas 49 Polyus Gold 49 OMEL 49 Alfa Access Renova 49 DNO 49 SOCAR 49 Petrodelta 48 Novatek 48 CNPC 48 SUEK 48 Tupras 48 Federal Anti Monopoly 48 Bulgargaz 48 Timan Pechora 48 Russia OAO Gazprom 48 Production Sharing Agreement 48 Kovykta 48 KazMunaiGas 48 Ryazanov 48 Naftohaz 48 SIBUR 48 Alekperov 48 Petro Andina 47 NIOC 47 OAO Gazprom 47 OMV AG 47 RosUkrEnergo 47 PetroFalcon 47 PdVSA 47 KazMunayGas 47 bln rubles 47 TNK 47 Petropars 47 operatorship 47 Wintershall 47 Norway StatoilHydro 47 Yuzhkuzbassugol 47 Rosukrenergo 47 Sakhalin II 47 Vangold 46 OAO Yukos 46 OAO 46 Surgutneftegas 46 Farmout Agreement 46 Perenco 46 Leningrad Region