Related by context. Frequent words. (Click for all words.) 68 Chevron 62 ExxonMobil 62 Royal Dutch Shell 62 Exxon 62 ChevronTexaco 61 Conoco 61 Esso 59 Exxon Mobil 58 Statoil 57 Eni 56 Texaco 56 ConocoPhillips 56 Shell Oil 55 Conoco Phillips 54 Lukoil 54 BP 54 Caltex 53 Mobil 53 Tullow 52 StatoilHydro 52 Petro Canada 50 Talisman 49 Tullow Oil 49 Eni SpA 48 Cairn 48 Petronas 48 oil 48 Petroleum 48 gas 48 Anadarko 47 Oil 47 Citgo 47 Occidental 47 Repsol 47 Agip 47 Nexen 47 ARCO 46 Woodside 46 Amoco 46 OMV 46 BG Group 46 Valero 46 Gas 45 Exxon Mobil Corp 45 TNK BP 45 Suncor 45 Marathon Oil 45 Sunoco 45 Chevron Corp. 44 PetroChina 44 Repsol YPF 44 Exxon Mobil Corp. 44 LUKOIL 44 Kerr McGee 44 NNPC 44 Sinopec 44 MOL 44 Aramco 44 LUKoil 43 Sasol 43 Cnooc 43 Oxy 43 Centrica 43 Arco 43 Kosmos 43 oilfields 43 Anadarko Petroleum 43 Inpex 43 BP Plc 43 CNOOC 43 Encana 43 refinery 43 Cairn Energy 43 CNPC 43 Unocal 43 Refinery 43 Saipem 42 Petrol 42 Pertamina 42 ONGC 42 EnCana 42 Vitol 42 Technip 42 Petron 41 KNOC 41 Schlumberger 41 petrol stations 41 Petro 41 Petrofac 41 ENI 41 CITGO 41 refineries 41 petroleum 40 BP PLC 40 Qatar Petroleum 40 BG 40 AWE 40 Prudhoe Bay 40 refining 40 Neste Oil 40 flaring