Related by context. Frequent words. (Click for all words.) 84 ExxonMobil 83 Exxon Mobil Corp. 83 Exxon 75 ConocoPhillips 74 Chevron 74 ChevronTexaco 69 Chevron Corp. 65 Royal Dutch Shell 64 Conoco 60 Marathon Oil 59 Shell 57 Schlumberger 57 Statoil 57 oil 56 Lukoil 56 Shell Oil 55 BP 55 PetroChina 55 EnCana 55 Anadarko 54 Halliburton 54 Sinopec 54 Chesapeake Energy 54 XTO 54 EnCana Corp. 54 Petrobras 53 Saudi Aramco 53 Repsol 53 Imperial Oil 53 Valero Energy 53 Nexen 52 CNOOC 52 StatoilHydro 52 PDVSA 52 Unocal 51 BP Plc 51 Petro Canada 51 Dow Chemical 51 crude oil 50 Rosneft 50 Citgo 50 Suncor 50 Eni 50 Aramco 50 BP PLC 50 TNK BP 49 BHP Billiton 49 Halliburton Co. 49 Occidental 49 Petronas 48 CNPC 48 BG Group 48 Dow Chemical Co. 48 Texaco 48 oil sands 47 refineries 47 DuPont 47 petroleum 47 TransCanada 47 Yukos 47 Pemex 47 Petroleum 47 Valero 46 Oil 46 BASF 46 Petroleos de Venezuela 46 refining margins 46 Esso 46 Woodside Petroleum 45 refining 45 Fluor 45 North Slope 45 refinery 45 Technip 45 petrochemical 45 crude 45 BHP 44 Merck 44 Gazprom 44 Transocean 44 Tesoro 44 Talisman 44 oilfield 44 Oil Sands 44 liquefied natural gas 44 gas 44 Offshore Oil 44 Alcoa 44 deepwater 44 refiners 43 natural gas 43 Prudhoe Bay 43 ONGC 43 OMV 43 refiner 43 Altria 43 Sunoco 43 Refining 43 Sibneft 43 Kimberly Clark 43 OPEC