Related by context. Frequent words. (Click for all words.) 72 Petrobras 70 Spain Repsol 68 Petrobas 68 Spain Repsol YPF 66 Repsol 66 Petrobras PBR 63 Repsol YPF 63 Petroleo Brasileiro 63 Exxon Mobil XOM.N 62 Repsol YPF SA 62 Ecopetrol 61 Petroleo Brasileiro SA 60 Pluspetrol 60 Galp 60 Norway Statoil 59 Total TOT 59 Malaysia Petronas 59 Total TOTF.PA 58 Pacific Rubiales 58 Chevron Corp 58 Italy ENI 58 Galp Energia 57 Statoil 57 StatoilHydro 57 ENI SpA 57 Campos basin 57 oil monopoly Pemex 57 CNOOC Ltd 57 NYSE TOT 57 Cepsa 56 Italy Eni 56 Eni 56 PDVSA 56 Chicontepec 56 PEMEX 56 Petróleos de Venezuela 56 BPZ 56 OAO Lukoil 56 Total SA TOT 56 Zarubezhneft 56 PdVSA 56 Sinopec 56 Chile Codelco 55 CNOOC 55 subsalt 55 Exxon Mobil NYSE XOM 55 BPZ Energy 55 Chevron Corp CVX.N 55 Pemex 55 Camisea 55 Pacific Rubiales Energy 55 Sonangol 55 Cnooc 55 Chevron NYSE CVX 55 deepwater 54 Santos Basin 54 Brufau 54 Ecopetrol SA 54 miner Vale 54 Bridas 54 CNPC 54 Oilex 54 ConocoPhillips COP 54 Gran Tierra 54 NYSE PBR 54 Perenco 54 Norsk Hydro 53 Campos Basin 53 Pdvsa 53 Sevan Marine 53 RDSa.L 53 deepwater exploration 53 Cheniere Energy 53 YPF 53 StatoilHydro ASA 53 Sonatrach 53 BP PLC BP 53 OMEL 53 Orinoco belt 53 PNG LNG 53 Tullow Oil Plc 53 Norway Statoil ASA 53 Transocean NYSE RIG 52 TotalFinaElf 52 Tupi field 52 Petroleos de Venezuela PDVSA 52 BP BP.L 52 Petrovietnam 52 Natuna 52 Woodside Petroleum Ltd 52 LUKOIL 52 Exxon Mobil Corp 52 Russia OAO Gazprom 52 Cnooc Ltd. China 52 BG Group BG.L 52 Yadavaran 52 ONGC Videsh 52 Petroceltic 52 Hungary MOL 52 Royal Dutch Shell 52 Harvest Natural Resources