Related by context. Frequent words. (Click for all words.) 65 Petroleos de Venezuela PDVSA 63 Pdvsa 62 PDVSA 59 PdVSA 56 Ecopetrol 55 Petroleos de Venezuela 55 YPFB 54 PEMEX 54 Venezuela 54 Ecopetrol SA 53 oil monopoly Petroleos 53 Petroecuador 53 ENAP 53 Petroleos Mexicanos 52 Naftogaz Ukrainy 51 Petrobras 51 Venezuelan 51 Pemex 50 Orinoco Belt 50 Sonangol 50 OAO Gazprom 49 President Hugo Chávez 49 Petroleo Brasileiro SA 49 Petrobangla 49 Ceylon Petroleum Corporation 49 pipeline monopoly Transneft 49 Sonatrach 49 SOCAR 47 PT Pertamina 47 CARACAS Venezuela Venezuela 47 oil 47 Lake Maracaibo 47 Canacol 47 CANTV 47 Rafael Ramirez 47 KazMunaiGas 46 President Alfredo Palacio 46 Spain Repsol YPF 46 NIOC 46 Socar 46 monopoly Gazprom 46 LUKoil 46 Repsol 46 Repsol YPF 46 gas monopoly Gazprom 45 crude oil 45 StatoilHydro ASA 45 Eletrobras 45 Company NIOC 45 Gazprom Neft 45 Repsol YPF SA 45 Petrocaribe 45 PetroVietnam 44 CNPC 44 Bolivarian 44 Zulia 44 President Hugo Chavez 44 Perenco 44 Bolivia 44 Jose Sergio Gabrielli 44 Aragua 44 NNPC 44 LUKOIL 44 Venezuela Hugo Chávez 44 OAO Rosneft 43 Bulgargaz 43 Sinopec Corp 43 Tachira 43 Galp 43 Tarija 43 Hindustan Petroleum Corp 43 Harvest Natural Resources 43 Slavneft 43 Petrovietnam 43 Petrom 43 KazMunaiGaz 43 PetroSA 43 Azerbaijan SOCAR 43 Notimex 43 BCV 43 PanOcean 43 Bharat Petroleum Corp 43 Pacific Rubiales Energy 43 giant Gazprom 42 Camisea 42 PetroCaribe 42 Spain Repsol 42 Penoles 42 Petrodelta 42 Codelco 42 Las Cristinas 42 Transneft 42 Botas 42 President Rafael Correa 42 Gazprom 42 Orinoco River 42 ONGC 42 Bolivian 42 ADNOC 42 petroleum 42 Hamaneh