Related by context. Frequent words. (Click for all words.) 74 Occidental Petroleum 63 Chevron Corp. 62 Exxon Mobil Corp. 59 Exxon Mobil Corp 58 ConocoPhillips 58 ConocoPhillips COP 57 Exxon Mobil 57 Chevron NYSE CVX 56 ChevronTexaco Corp. 56 Occidental 55 Anadarko Petroleum Corp. 55 ChevronTexaco 53 EnCana Corp. 51 Chevron CVX 51 Royal Dutch Shell 50 Pioneer Natural Resources 50 Newmont Mining Corp. 50 Schlumberger Ltd. 50 Chevron 49 Exxon Mobil XOM 49 Talisman Energy Inc. 49 Amerada Hess 48 Eni SpA 48 Statoil ASA 47 CVX 47 Barrick Gold Corp. 47 BP Plc 47 Halliburton Co. 46 Repsol YPF 46 Tesoro Corp. 46 Anadarko Petroleum 46 Nexen 46 ExxonMobil 46 Unocal Corp. 46 BP PLC BP 45 Italy Eni 45 Freeport McMoRan Copper 45 Conoco 45 Sempra Energy 45 Chevron Texaco 45 Marathon Oil 45 Exxon 45 XTO Energy 45 Freeport McMoRan 44 Ivanhoe Energy 44 Diamond Offshore Drilling 44 oil 44 Chesapeake Energy 44 TSX SU 44 Suncor Energy Inc. 44 Unocal 44 Petro Canada 44 BG Group 44 XTO Energy Inc. 44 Sempra 44 Valero Energy 44 EnCana 44 PetroChina Co. 44 Petroecuador 43 Suncor Energy 43 natural gas 43 EOG Resources 43 Repsol 43 OXY 43 BP Plc BP.L 43 Conoco Phillips 43 Talisman Energy 43 joint venture TNK BP 43 oil sands 42 Cnooc 42 Petroleos de Venezuela 42 XTO 42 NYSE COP 42 Cairn Energy 42 Ultra Petroleum 42 Anadarko 42 Mariner Energy 42 Woodside Petroleum Ltd. 41 Newmont Mining 41 Petroleo Brasileiro SA 41 Teck Cominco Ltd. 41 Gilead Sciences Inc. 41 ONGC Videsh 41 PetroChina 41 Methanex 41 Kinder Morgan 41 Eni 41 crude oil 41 Corp. ORCL 41 BHP Billiton Ltd. 41 oilfield 41 Suncor 41 Carrizo Oil & 41 PDVSA 41 StatoilHydro 41 Schlumberger 40 CNOOC Ltd. 40 Malaysia Petronas 40 Quicksilver Resources 40 Venoco 40 Hewlett Packard Co.