Related by context. Frequent words. (Click for all words.) 81 Repsol YPF 70 Petrobras 70 Galp 67 Ecopetrol 65 Eni 62 YPF 62 LUKOIL 62 PDVSA 62 Sonatrach 61 Gas Natural 61 Lukoil 60 Italy Eni 58 Petronas 58 Sonangol 58 Endesa 58 Statoil 58 Pemex 57 Iberdrola 57 Sacyr 56 OMV 56 ConocoPhillips 56 Gazprom Neft 55 StatoilHydro 55 BG Group 55 LUKoil 55 GDF Suez 54 Eni SpA 54 Sinopec 54 Santander 54 PEMEX 53 CNPC 53 Exxon Mobil 53 Gazprom 53 Royal Dutch Shell 53 Banco Santander 53 Norsk Hydro 52 Centrica 52 Venezuela 52 Tenaris 52 ChevronTexaco 51 Inpex 51 BBVA 51 ONGC 51 Cairn Energy 51 ExxonMobil 51 OVL 51 Abertis 51 Petroleo Brasileiro SA 50 Hydrocarbons 50 Telefonica 50 Conoco 50 Exxon Mobil Corp 50 Telefonica SA 50 CNOOC 50 Petroecuador 50 South Pars 49 Rosneft 49 oil 49 TNK BP 49 Nexen 49 Afren 49 Chevron 49 Sibneft 49 Itau 49 Scaroni 49 CANTV 49 Altadis 49 BP PLC BP 49 Occidental 49 La Caixa 49 Occidental Petroleum 48 Cairn India 48 Cnooc 48 Cosan 48 Aramco 48 Acciona 48 Venezuelan 48 Kashagan 48 Aabar 48 Al Attiyah 48 Exxon Mobil XOM 48 Novatek 48 BHP Billiton 48 Tullow Oil 48 OAO Gazprom 48 ConocoPhillips COP 48 Enel 48 Anadarko 48 Tullow 47 Saudi Aramco 47 Statoil ASA 47 EDF 47 Tupi 47 Petrofac 47 Tatneft 47 PGNiG 47 oilfields 47 Qatar Petroleum 47 Shell 47 PKN Orlen 47 Talisman