Related by context. Frequent words. (Click for all words.) 73 Crimson Exploration 69 Approach Resources 68 Brigham Exploration 67 GeoResources Inc. 66 Harvest Natural Resources 66 Cimarex Energy 65 Rosetta Resources 65 Cimarex Energy Co. 65 Parallel Petroleum 64 GMX Resources Inc. 64 Newfield Exploration Company 64 LINN Energy 63 Magnum Hunter Resources 63 PetroQuest 63 BPZ Energy 63 Vanguard Natural Resources 62 Whiting Petroleum 62 Gasco Energy 62 Comstock Resources 62 Whiting Petroleum Corporation 62 QEP Resources 61 Nitro Petroleum 61 McMoRan Exploration Co. 60 Carrizo Oil & 60 Newfield Exploration 60 Concho Resources Inc. 59 Copano Energy LLC 59 NYSE RRC 59 Cano Petroleum 59 Canacol 59 Brigham Exploration Company 59 ENSCO International 58 Gran Tierra 58 Newfield Exploration Co. 58 EnerJex 58 Petro Vista 58 BPZ 57 EXCO Resources Inc. 57 GeoPetro 57 Legacy Reserves 57 Abraxas Petroleum Corporation 57 GMXR 57 Baytex Energy Trust 57 PanOcean 57 Allis Chalmers Energy 56 Anworth Mortgage Asset 56 Monogram Energy 56 Oilsands Quest 56 Pacific Rubiales Energy 56 Manas Petroleum 56 DCP Midstream Partners 56 Petrohawk Energy Corporation 56 Cheniere Energy 56 BEXP 56 TXCO 56 Ultra Petroleum 56 Seabridge Gold 56 Kayne Anderson Energy 55 EVEP 55 NACEL Energy 55 Exco Resources 55 Atwood Oceanics 55 Cheniere Energy Inc. 55 GeoResources 55 Magnum Hunter 55 Questar Corp. 54 Nabors Industries Ltd. 54 Bois d' Arc 54 EPiC 54 Copano Energy 54 Black Hawk Exploration 54 Dejour 54 Raser Technologies Inc. 54 McMoRan 54 Crosstex Energy 54 NYSE HES 54 Energy XXI 54 Cimarex 54 Connacher Oil 54 Hercules Offshore 54 BBEP 54 Flotek Industries Inc. 54 Venoco 54 Gastar Exploration Ltd. 54 GreenHunter Energy 53 Atlas Pipeline Partners 53 Uranium Resources 53 Callon Petroleum Company 53 Ensco International 53 Questerre 53 Ormat Technologies 53 Enterra Energy 53 Ivanhoe Energy 53 Magellan Petroleum 53 Quicksilver Resources 52 EQT Corporation 52 Gran Tierra Energy 52 NYSE COG 52 Quest Resource 52 Petrohawk 52 Quest Uranium