Related by context. Frequent words. (Click for all words.) 70 Petróleos de Venezuela 69 Petroleos de Venezuela PDVSA 62 PDVSA 62 Pdvsa 62 Petroleos de Venezuela 60 Petroecuador 60 Zarubezhneft 58 ENAP 58 PT Pertamina 58 YPFB 58 KazMunaiGas 57 Petroleos Mexicanos 57 Ecopetrol 57 Petrobras 56 Sonangol 56 Sonatrach 56 SA PDVSA 56 PdVSA 55 Petroleo Brasileiro SA 55 Tomskneft 55 OAO Rosneft 55 Ecopetrol SA 54 pipeline monopoly Transneft 54 OAO Gazprom 54 Spain Repsol YPF 54 KazMunaiGaz 54 Naftogaz Ukrainy 53 gas monopoly OAO 53 Petrobras PBR 53 Belneftekhim 53 Bulgargaz 52 oil monopoly Petroleos 52 Socar 52 Orinoco Belt 52 Pemex 52 monopoly Gazprom 52 Russneft 52 Rosneft 52 CNPC 52 Slavneft 52 Gazprom Neft 52 LUKoil 51 PEMEX 51 Petrovietnam 51 gas monopoly Gazprom 51 Bashneft 51 Sergei Chemezov 51 PetroVietnam 51 oil 51 Petrom 50 PetroSA 50 LUKOIL 50 Azerbaijan SOCAR 50 Bridas 50 StatoilHydro ASA 50 Petroleo Brasileiro 50 Statoil ASA 50 Galp Energia 50 SOCAR 50 Sinopec Corp 49 Endiama 49 giant Gazprom 49 Surgutneftegaz 49 Repsol YPF 49 Sibneft 49 Natural Gas Corp 49 Corporation CNPC 49 Commission SASAC 49 Pluspetrol 48 Eletrobras 48 Atomstroiexport 48 Galp 48 Qatar Petroleum 48 CARACAS Venezuela Venezuela 48 YUKOS 48 Venezuelan 48 Sinopec 48 Vnesheconombank 47 Carabobo 47 Yukos 47 Petrodelta 47 OMV AG 47 PTT Plc 47 Sibir Energy 47 Corp CNPC 47 Hindustan Aeronautics Ltd 47 Bharat Petroleum Corp 47 export monopoly Gazprom 47 Gazprom 47 Transneft 46 Lukoil 46 CANTV 46 Petkim 46 Repsol 46 YPF 46 Spain Repsol 46 Mazeikiu Nafta 46 Naftogaz 46 Zulia 46 Shenhua Group 46 BOGOTA Dow Jones