Related by context. Frequent words. (Click for all words.) 66 Contango Oil & 62 Gas 62 Whiting Petroleum 61 Energy XXI Bermuda 60 Cimarex Energy 57 Anadarko Petroleum APC 57 McMoRan Exploration 56 Gas Pipelines 56 GMX Resources Inc. 56 Frontera Resources 56 Natural Gas 56 GeoResources Inc. 55 Approach Resources 55 Tetra Technologies 54 Atwood Oceanics Inc. 54 Allis Chalmers Energy 54 Magnum Hunter Resources 54 Newfield Exploration 54 ERHC Energy Inc. 54 Atwood Oceanics 54 ENSCO International 54 Crimson Exploration 54 Brigham Exploration 54 Comstock Resources 54 Cheniere Energy 53 Harvest Natural Resources 53 Copano Energy LLC 53 Newfield Exploration Company 52 Parallel Petroleum 52 Whiting Petroleum Corporation 52 Rosetta Resources 52 Newfield Exploration Co. 52 EXCO Resources Inc. 52 VAALCO Energy 51 Ensco International 51 Concho Resources Inc. 51 Bronco Drilling 51 Cimarex Energy Co. 51 Vanguard Natural Resources 51 Ultra Petroleum 51 Carrizo Oil & 51 Calumet Specialty Products 51 Energy DVN 50 BEXP 50 NYSE EQT 50 Royale Energy 50 GMXR 50 NYSE RRC 50 Baker Hughes BHI 49 Petrohawk Energy Corporation 49 EQT Corporation 49 Petrohawk Energy 49 KWK 49 Caza Oil & 49 Exco Resources 48 BPZ Energy 48 BBEP 48 NYSE FTO 48 Schlumberger NYSE SLB 48 Westlake Chemical 48 XCO 48 Gastar Exploration 48 Petrohawk Energy Corp. 48 ENI SpA 48 Crosstex Energy 48 Hercules Offshore 48 Gasco Energy 48 BreitBurn Energy Partners LP 48 Legacy Reserves 47 PetroQuest 47 Golar LNG 47 Gas Storage 47 Provides Operational Update 47 Nabors Industries Ltd. 47 Gas Exploration 47 Pioneer Natural Resources 47 Rockwood Holdings 47 Sempra Energy SRE 47 NYSE HOC 47 Dril Quip 47 McMoRan Exploration Co. 47 Exterran 46 PETROLEUM 46 NYSE CHK 46 Helix Energy 46 Magellan Petroleum 46 EOG Resources 46 CNX Gas Corporation 46 Eagle Bulk Shipping 46 Pacific Rubiales Energy 46 natural gas 46 OGE Energy 46 Isramco 46 Sonoran Energy 46 Baytex Energy Trust 46 Range Resources 46 PXD 46 NYSE APC 46 Roc Oil 45 NYSE RDC 45 Petrohawk