Related by context. Frequent words. (Click for all words.) 77 Petroecuador 68 PDVSA 66 Petroleos de Venezuela PDVSA 64 Pemex 64 Ecopetrol 62 PEMEX 62 Petrobras 61 PdVSA 61 YPFB 61 Pdvsa 60 Ecopetrol SA 58 Spain Repsol YPF 58 ENAP 58 Camisea 58 Perenco 56 Lake Maracaibo 56 Petroleos de Venezuela 56 Sonatrach 55 Repsol 55 Orinoco Belt 55 Petroleos Mexicanos 54 Repsol YPF 54 Cepsa 54 Sonangol 53 Chevron 53 Petrom 53 Ecuador 53 Petroleo Brasileiro SA 53 President Alfredo Palacio 53 Techint 53 Chevron Texaco 53 PT Pertamina 52 Ecuadorian 52 Galp Energia 52 Spain Repsol 52 Ecuadorean 52 ChevronTexaco 51 Repsol YPF SA 51 Zulia 51 Odebrecht 51 Eni 51 Penoles 51 LUKoil 50 Pacific Rubiales 50 Galoc 50 Ecuadoran 50 Carabobo 49 Sakhalin II 49 Galp 49 Codelco 49 Greka 49 oil monopoly Petroleos 49 Statoil 49 PetroSA 49 CANTV 49 Chevron Corp CVX.N 49 Bolivian 49 Pacific Rubiales Energy 48 CNPC 48 Canacol 48 Lukoil 48 Naftogaz Ukrainy 48 Lago Agrio 48 YPF 48 oil 48 Eletrobras 47 Las Cristinas 47 BPZ 47 PetroVietnam 47 Saudi Aramco 47 Campos Basin 47 Exxon Mobil Corp XOM.N 47 PKN Orlen 47 KazMunaiGas 47 LUKOIL 47 Niger delta 47 Venezuela 47 Eni SpA 47 Agip 46 Collahuasi 46 Venezuelan 46 Petroleo Brasileiro 46 Mitvol 46 subsalt 46 offshore oilfield 46 StatoilHydro ASA 46 Aracruz 46 TotalFinaElf 46 StatoilHydro 46 Orinoco River 46 PTTEP 46 SOCAR 46 Cepu 46 Oriente 46 Italy Eni SpA 46 Llanos Basin 46 Texaco 46 Ogoniland 46 Rosneft 46 Exxon Mobil 46 Orinoco