Related by context. Frequent words. (Click for all words.) 42 ExxonMobil 39 Exxon Mobil 37 Exxon Mobil Corp. 36 Royal Dutch Shell 35 ChevronTexaco 35 Chevron Corp. 33 XOM 32 Petroleum 32 Chevron 31 Saudi Aramco 31 Marathon Oil 30 Petronas 30 Shell 29 Statoil 29 Shell Oil 29 ConocoPhillips 29 Caltex 28 Aramco 28 Exxon 27 Eni 26 Ecopetrol 25 Oil 25 oilfields 25 Schlumberger 25 Cargill 25 oil 25 Anadarko 24 Valero Energy 24 Halliburton Co. 24 Petro Canada 24 Sasol 24 Refining 24 Esso 24 BP Plc 24 Lukoil 24 Repsol 23 KBR 23 Nexen 23 StatoilHydro 23 Fluor 23 Suncor Energy 23 Mobil 23 EnCana Corp. 23 Halliburton 22 Texaco 22 PDVSA 22 Dow Chemical Co. 22 Imperial Oil 22 refineries 22 CNPC 22 Conoco 22 refinery 22 Sempra Energy 21 Anadarko Petroleum Corp. 21 Sinopec 21 Talisman 21 Technip 21 PetroChina 21 BG Group 20 LUKOIL 20 Unocal 20 crude oil 20 Amoco 20 Petrochemical 20 Dow Chemical 20 Refinery 20 Citgo 20 CNOOC 20 Petrobras 19 BP 19 Tesoro 19 Offshore Oil 19 petrochemical 19 OMV 19 Chesapeake Energy 18 EnCana 18 petroleum 18 BHP Billiton 18 BP PLC 17 Sunoco 17 Suncor 17 TNK BP 17 Lyondell 16 Rosneft 16 gas 16 Valero 16 Occidental 16 Kinder Morgan 15 Kerr McGee 15 DuPont 15 natural gas 15 BASF 15 deepwater 14 Koch Industries 13 TransCanada 13 liquefied natural gas 13 XTO 13 oil sands 12 Celanese 10 Kimberly Clark 10 LNG