Related by context. Frequent words. (Click for all words.) 77 ConocoPhillips 71 Exxon 66 Chevron 64 Exxon Mobil 61 Shell 61 ChevronTexaco 60 Kerr McGee 58 Petro Canada 58 Amoco 58 ExxonMobil 58 Anadarko 57 Lukoil 57 Statoil 54 Texaco 54 XTO 53 BP 53 EnCana 53 Exxon Mobil Corp. 53 Citgo 52 LUKOIL 52 Royal Dutch Shell 52 Nexen 52 PetroChina 51 Suncor 51 Sunoco 51 Occidental 51 StatoilHydro 50 Repsol 50 Marathon Oil 50 CNOOC 50 Sinopec 49 Schlumberger 49 CNPC 49 TNK BP 49 Eni 49 Chevron Corp. 49 Suncor Energy 49 Valero 49 gas 48 oil 48 Unocal 48 OMV 48 TransCanada 48 Aramco 47 Anadarko Petroleum Corp. 47 Mobil 47 Esso 46 Shell Oil 46 BG Group 46 Cairn 46 BHP 46 Talisman 46 Rosneft 46 Halliburton 46 Petroleum 46 Norsk Hydro 45 Circle K 45 Chesapeake Energy 45 Kinder Morgan 45 Saudi Aramco 45 refinery 45 Petronas 44 Imperial Oil 44 Sempra 44 Refinery 44 Tullow 44 Gazprom 44 Caltex 44 EnCana Corp. 44 oilfield 43 Lyondell 43 Oil 43 BHP Billiton 43 Prudhoe Bay 43 refineries 43 Refining 43 OVL 43 Fluor 42 North Slope 42 BP PLC 42 petroleum 42 refining margins 42 ONGC 42 crude oil 42 BP Plc 42 oil sands 41 EOG 41 Oil Sands 41 Sibneft 41 Cairn India 41 natural gas 41 Tesoro 41 Gas 41 oilfields 41 LNG 41 XOM 41 Natural Gas 41 Woodside 40 refiners 40 Petrobras 40 PDVSA