Related by context. Frequent words. (Click for all words.) 63 NGAS Resources 62 EXCO Resources 62 Exco Resources 62 Petrosearch 62 Magnum Hunter Resources 61 Concho Resources 61 Newfield Exploration 60 Whiting Petroleum 59 Newfield Exploration Company 59 Rancher Energy 59 Crimson Exploration 58 Cimarex Energy 57 Comstock Resources 57 GMX Resources 57 Newfield Exploration Co. 57 Contango Oil & 57 OMDA Oil 57 Exterran 57 VAALCO Energy 57 VeraSun Energy Corporation 57 Approach Resources 57 SandRidge Energy 57 Uranerz Energy 56 GMX Resources Inc. 56 Syntroleum Corporation 56 EXCO Resources Inc. 56 Cheniere Energy 56 Petrohawk Energy 56 GeoResources Inc. 56 Energen Resources 56 Enogex 56 Copano Energy LLC 56 LINN Energy 56 Parallel Petroleum 56 DCP Midstream Partners 55 Particle Drilling Technologies 55 LSB Industries 55 Sonoran Energy 55 Oneok 55 QEP Resources 55 Crosstex Energy 55 Antero Resources 55 Concho Resources Inc. 55 Magnum Hunter 55 Quicksilver Resources 55 SandRidge 55 Harvest Natural Resources 55 BPZ Energy 55 NGAS Resources Inc. 55 McMoRan Exploration 55 EnerJex 55 PostRock 55 Nova Biosource Fuels 54 OGE Energy 54 Cano Petroleum 54 PetroFalcon 54 Avro Energy 54 Cimarex Energy Co. 54 Targa Resources 54 Seahawk Drilling Inc. 54 Magellan Midstream Partners LP 54 Newpark Resources 54 Westlake Chemical 54 Ensyn 54 Rosetta Resources 54 NuStar Energy 54 QRCP 54 Copano Energy 53 Magellan Midstream 53 Frontera Resources 53 GeoPetro 53 PetroSun 53 Denbury Resources 53 AXYS Design Automation 53 PetroGlobe 53 Ausam 53 GreenHunter 53 Susser Holdings 53 Strathmore Minerals Corp. 53 Petroflow Energy Ltd. 53 GeoResources 53 Whiting Petroleum Corporation 53 CNX Gas 53 TexCom 53 Bronco Drilling 53 Ultra Petroleum 53 Alamosa Holdings 53 CVR Energy 53 ConocoPhillips 53 Ensco International 53 GMXR 53 PetroQuest 52 Petrohawk 52 GreenHunter Energy 52 Legacy Reserves 52 TransMontaigne 52 Topaz Resources 52 TETRA Technologies Inc. 52 Westmoreland Coal 52 XTO Energy Inc. 52 Tanganyika Oil