Related by context. Frequent words. (Click for all words.) 62 XTO Energy 62 Range Resources 61 XTO 59 ConocoPhillips 58 Marathon Oil 58 Anadarko Petroleum 57 EnCana 57 Cabot Oil 57 Anadarko Petroleum Corp. 57 Petrohawk 57 Anadarko 56 Kerr McGee 55 Encana 55 Barnett Shale 55 Consol Energy 54 Exxon Mobil 53 EOG 53 Fayetteville Shale 53 Peabody Energy 52 Marcellus Shale 51 Pioneer Natural Resources 51 Patriot Coal 51 Denbury 51 Conoco Phillips 50 Chesapeake 50 Atmos Energy 49 Marcellus shale 49 EnCana Corp. 49 ExxonMobil 49 NYSE COP 48 Exxon Mobil Corp. 48 Mariner Energy 48 Alpha Natural Resources 48 Chevron 48 Tyson Foods Inc. 48 National Oilwell Varco 48 Chevron Corp. 48 Haynesville 47 Haynesville Shale 47 Tyson Foods 47 Occidental Petroleum 47 Exxon Mobil Corp 47 CHK 47 ONEOK 47 drillers 46 Spectra Energy 46 Exxon 46 Massey Energy 46 Diamond Offshore Drilling 46 Kinder Morgan 46 Dominion Resources 46 Plains Exploration 46 Valero Energy 46 shale gas 46 Natural Gas 45 Arch Coal 45 Conoco 45 TXU 45 ChevronTexaco 45 Marcellus 45 natural gas 45 Suncor Energy 44 Oklahoma 44 BP PLC 44 CNOOC Ltd. 44 Royal Dutch Shell 44 BG Group 44 Occidental Petroleum Corp. 44 McMoRan 44 Norfolk Southern 44 BP 44 Kinder Morgan Energy 44 Schlumberger 44 BP Plc 44 CNOOC 43 Halliburton Co. 43 Suncor Energy Inc. 43 Nexen 43 CONSOL Energy 43 InterOil 43 NiSource 43 driller 43 Dynegy 43 Appalachian Basin 42 Dollar Thrifty Automotive 42 XOM 42 Weatherford 42 Consol 42 Pilgrim Pride 42 Crown Castle 42 McClendon 42 Halliburton 42 NRG Energy 42 StatoilHydro 42 Statoil 41 Questar 41 PetroChina 41 shale 41 Freeport McMoRan 41 Oil Sands 41 SemGroup