Related by context. Frequent words. (Click for all words.) 57 Newfield Exploration 56 Quicksilver Resources 55 TXCO 55 Woodford Shale 54 TexCom 54 GMXR 54 PetroQuest 54 Magnum Hunter 54 Petrohawk 53 Hercules Offshore 53 Brigham Exploration 53 Comstock Resources 52 Haynesville shale 52 Haynesville Shale 52 CNX Gas 52 McMoRan 52 Energen Resources 52 MarkWest 52 Quicksilver Gas Services 52 Calfrac 51 GeoResources Inc. 51 Piceance 51 Piceance Basin 51 RigNet 51 Cheniere Energy 51 XTO 51 Cimarex 51 Legacy Reserves 51 Arkoma Basin 51 Gastar 51 Barnett Shale 51 Enogex 51 Bakken Shale 51 EOG 50 Cherokee Basin 49 Dejour 49 Whiting Petroleum Corporation 49 Energy XXI 49 DCP Midstream 49 CNOOC Limited 49 Crosstex 49 Fayetteville Shale 49 Granite Wash 49 Flotek 49 Chesapeake Energy 49 Austin Chalk 49 XTO Energy 49 Anadarko 49 Sunoco Logistics 49 Vanguard Natural Resources 49 Harvest Natural Resources 49 Haynesville 49 Denbury Resources 48 Ford Shale 48 Gran Tierra 48 SandRidge 48 Petrobank 48 Gasco Energy 48 Concho Resources Inc. 48 MegaWest 48 National Oilwell 48 Denbury 48 EXCO Resources Inc. 48 EnQuest 48 Appalachian Basin 48 OGE Energy 47 Ultra Petroleum 47 Crosstex Energy 47 PetroSun 47 BreitBurn 47 directional drilling 47 Allis Chalmers Energy 47 Canacol 47 EOG Resources 47 Approach Resources 47 EOR 47 Whiting Petroleum 47 Petroflow 47 ProspEx 47 Royale Energy 47 VHGI 47 Enerplus 47 Twin Butte 47 Encana 46 GreenHunter Energy 46 Bronco Drilling 46 Marcellus Shale 46 Lundin Petroleum 46 recompletion 46 Petrominerales 46 Surmont 46 fracing 46 Marcellus shale 46 Cenovus Energy Inc. 46 Helix Energy 46 Williston Basin 46 BPZ Energy 46 Hyperdynamics 46 Kitimat LNG 46 Contango 46 Petrodelta