Related by context. Frequent words. (Click for all words.) 56 Chesapeake Energy 53 Arkoma 52 Newfield Exploration Company 52 Columbia Gas Transmission 52 Newfield Exploration 51 Energen Resources 51 Range Resources 51 Arkoma Basin 50 Enogex 50 Fayetteville Shale 50 Comstock Resources 49 Petrohawk 49 Quicksilver Resources 49 GMX Resources Inc. 49 Woodford Shale 49 GMXR 49 MarkWest 49 Magnum Hunter Resources 49 Petro Reef 49 Legacy Reserves 48 Haynesville 48 Petrohawk Energy 48 natural gas 48 Approach Resources 48 Oneok 47 Magnum Hunter 47 Barnett Shale 47 EOG Resources Inc. 47 EXCO Resources Inc. 47 Denbury Resources 47 Chesapeake 47 Flotek 47 COGCC 47 XTO Energy Inc. 47 Newfield Exploration Co. 47 Exco Resources 47 TexCom 47 NGAS 47 Haynesville Shale 47 Parallel Petroleum 47 Whiting Petroleum 47 Targa Resources 46 Appalachian Basin 46 Haynesville shale 46 drillers 46 TXCO 46 XTO Energy 46 PetroQuest 46 Cheniere Energy 46 shale 46 NYSE RRC 46 Cimarex 46 GeoPetro 46 Magellan Midstream Partners LP 46 Bois d' Arc 46 EnerJex 46 UPDA 46 Exterran 46 Carrizo Oil & 46 XTO 46 Energen 46 Williams NYSE WMB 46 Alagasco 46 GeoResources Inc. 46 Brigham Exploration 46 Quicksilver Gas Services 46 Atmos Energy 45 EnerVest 45 coalbed methane CBM 45 coalbed methane 45 CNX Gas 45 Unicorp 45 Natural Gas 45 Atoka 45 Piceance 45 Denbury 45 Cimarex Energy Co. 45 Ultra Petroleum 45 Harvest Natural Resources 45 Marcellus 45 EOG Resources 44 Sunoco Logistics 44 Permian Basin 44 Atlas Pipeline Partners 44 Marcellus shale 44 Concho Resources Inc. 44 OGE Energy 44 Petroflow 44 Edgmon 44 SandRidge Energy 44 Rosetta Resources 44 NuStar Energy 44 Marcellus Shale 44 Kerr McGee 44 landmen 44 QEP Resources 44 Questar Corp. 44 KEDC 44 PSNC Energy 44 Denbury Resources Inc. 44 ConocoPhillips