Related by context. Frequent words. (Click for all words.) 62 McMoRan 59 Ultra Petroleum 58 Harvest Natural Resources 58 Petrohawk 56 Cal Dive 56 Rosetta Resources 56 EOG 56 EXCO Resources Inc. 56 Comstock Resources 55 Magnum Hunter 55 Carrizo Oil & 55 Hercules Offshore 55 Bankers Petroleum 55 Crosstex Energy 54 Denbury 54 Gastar 53 Cimarex 53 Gran Tierra Energy 53 Haynesville shale 52 Anadarko 52 TXCO 51 Quicksilver Resources 51 CNOOC Limited 51 Allis Chalmers Energy 51 XTO 51 ERHC 51 Gulfsands 50 Ivanhoe Energy 50 Nexen 50 Geokinetics 50 Denbury Resources Inc. 50 VAALCO 50 Grant Prideco 50 EOG Resources 50 CNX Gas 50 EOG Resources Inc. 49 Bois d' Arc 49 Mariner Energy 49 Oceaneering International 49 Energen 49 Baytex Energy Trust 49 StatoilHydro 49 Crosstex 49 Ensco 49 Seadrill 49 Genoil 49 NYSE APC 49 Dejour 49 Granite Wash 48 Hyperdynamics 48 Pioneer Natural Resources 48 PXP 48 InterOil 48 Cheniere 48 ONEOK Partners 48 Williston Basin 48 Afren 48 Flotek 48 Range Resources 48 Diamond Offshore Drilling 48 Thunder Horse 48 Canetic 48 SandRidge Energy Inc. 48 Rockhopper 48 Toreador 47 Petrobank 47 Venoco 47 Petrominerales 47 BG Group 47 Howard Weil 47 deepwater Gulf 47 EXCO 47 Tullow 47 Highpine 47 Petrolifera 47 Serica 47 National Oilwell Varco 47 Atlas Pipeline 47 Helix Energy 47 MarkWest 47 BP PLC BP 47 TAG Oil 46 BP BP.L 46 Talisman Energy Inc. 46 Lundin Petroleum 46 CNOOC Ltd 46 Hercules Offshore Inc. 46 Enterra 46 Quest Resource 46 Maersk Oil 46 Goodrich Petroleum 46 GlobalSantaFe 46 Chesapeake Energy 46 Bakken Shale 46 SandRidge 46 deepwater exploration 46 Enerplus 45 Anadarko Petroleum 45 Lexington Realty Trust 45 Haynesville 45 Transocean