Related by context. Frequent words. (Click for all words.) 84 Exxon Mobil 77 Chevron 74 Exxon 73 ChevronTexaco 71 ConocoPhillips 69 Exxon Mobil Corp. 63 Shell Oil 62 Shell 61 Chevron Corp. 60 Royal Dutch Shell 59 Marathon Oil 58 Conoco 57 Saudi Aramco 56 Lukoil 56 Statoil 53 LUKOIL 53 Imperial Oil 52 Sinopec 52 Aramco 52 PetroChina 52 Petronas 52 BP 52 oil 51 Suncor Energy 51 Halliburton 51 Schlumberger 51 CNPC 51 Repsol 51 Petro Canada 51 Dow Chemical 51 CNOOC 50 Petroleum 50 Valero Energy 50 XOM 49 Eni 49 StatoilHydro 49 BASF 49 Anadarko 49 Unocal 49 Chesapeake Energy 49 EnCana 49 Nexen 49 Suncor 48 Texaco 48 Esso 48 Petrobras 48 DuPont 47 Kerr McGee 47 XTO 47 Offshore Oil 47 Mobil 46 refinery 46 liquefied natural gas 46 Technip 46 LNG 46 Oil 46 oil sands 46 Citgo 46 petrochemical 46 OMV 46 crude oil 45 Ecopetrol 45 Sasol 45 Caltex 45 Sunoco 45 Fluor 45 KBR 45 TNK BP 45 refineries 44 petroleum 44 Cargill 44 Lyondell 44 BP Plc 44 gas 44 BG Group 44 Valero 44 TransCanada 43 Dow Chemical Co. 43 Refining 43 Petrochemical 43 Nippon Oil 43 Koch Industries 43 PDVSA 43 BHP Billiton 43 Refinery 43 Rosneft 43 Amoco 42 Halliburton Co. 42 Anadarko Petroleum Corp. 42 Occidental 42 Kimberly Clark 42 EnCana Corp. 42 Celanese 42 BP PLC 42 deepwater 42 Sempra Energy 42 natural gas 42 Talisman 42 Kinder Morgan 42 Tesoro 41 oilfields