Related by context. Frequent words. (Click for all words.) 62 Chesapeake Energy 57 EOG Resources 57 Cabot Oil 56 EOG Resources Inc. 56 Ultra Petroleum 53 Anadarko Petroleum 52 Marathon Oil 52 XTO 52 CNX Gas 52 Anadarko 52 Quicksilver Resources 51 Carrizo Oil & 50 drillers 50 Barnett Shale 50 EOG 50 Hyperdynamics 49 XTO Energy 49 Pioneer Natural Resources 49 Patriot Coal 48 NYSE APC 48 XTO Energy Inc. 48 Encana 48 driller 48 Marcellus Shale 48 Energy XXI 48 Anadarko Petroleum Corp. 47 Magnum Hunter 47 Petrohawk 47 Tullow Oil 47 Peabody Energy 47 Exxon Mobil 46 Uranium Resources 46 Talisman Energy 46 Helix Energy 46 Chevron CVX 46 Kerr McGee 46 Schlumberger 46 Crosstex Energy 46 Marcellus shale 45 ConocoPhillips 45 Talisman Energy Inc. 45 CONSOL 45 Natural Gas 45 Fayetteville Shale 45 Hercules Offshore 45 Pioneer Drilling 45 ConocoPhillips COP 45 SandRidge Energy Inc. 44 Consol Energy 44 Cimarex 44 MarkWest 44 Oceaneering International 44 hydraulic fracturing 44 shale 44 coalbed methane 44 shale gas 44 Goodrich Petroleum 44 Tullow 44 BG Group 44 Patterson UTI Energy 43 EnCana 43 Consol 43 Chevron 43 Gastar 43 natural gas 43 Gas Drilling 43 Oneok 43 Drilling 43 SandRidge 43 Denbury 43 Hornbeck Offshore Services 43 Energen 43 Chevron NYSE CVX 43 Newmont Mining 43 Powder River Basin 43 Linc Energy 43 BP PLC BP 42 Oil 42 drilling 42 Geokinetics 42 Haynesville Shale 42 Appalachian Basin 42 Nexen 42 Coeur d' Alene Mines 42 NZOG 42 ChevronTexaco 42 Spectra Energy 42 coal seam 41 Williston Basin 41 CNX 41 Diamond Offshore Drilling 41 Arch Coal 41 National Oilwell Varco 41 Petroleum 41 InterOil 41 Crown Castle 41 Marcellus 41 Chevron Corp. 41 coal seam gas 41 wells 41 TXCO