Related by context. Frequent words. (Click for all words.) 59 Nitro Petroleum 59 Crimson Exploration 57 Approach Resources 57 GeoResources Inc. 55 EXCO Resources Inc. 55 Royale Energy 55 Gastar Exploration 54 VAALCO Energy 54 BPZ Energy 54 Petrosearch 54 Legacy Reserves 53 Provides Operational Update 53 Oilsands Quest 53 Petro Vista 53 Exco Resources 53 Gastem 53 Newfield Exploration Company 52 Caza Oil & 52 Oilsands Quest Inc. 52 Manas Petroleum 52 Newfield Exploration 52 EnerJex 52 Concho Resources Inc. 52 Nextraction 52 Questerre 52 Geospatial Holdings 51 GMX Resources 51 Carrizo Oil & 51 Pioneer Natural Resources 51 PanOcean 51 Sonoran Energy 51 Nexen Inc 51 Comstock Resources 51 Ivanhoe Energy 51 DCP Midstream Partners 50 Tullow Oil plc 50 GeoPetro 50 Kitimat LNG 50 coalbed methane CBM 50 Cano Petroleum 50 Cimarex Energy Co. 50 PetroSun 50 Spider Resources 50 Crosstex Energy 49 Petrohawk Energy 49 Whiting Petroleum Corporation 49 PetroGlobe 49 Bakken Shale 49 LINN Energy 49 Terrane Metals Corp. 49 Brigham Exploration 49 Solitaire Minerals Corp. 49 Sherwood Copper 49 Cheniere Energy 49 Parallel Petroleum 49 PetroQuest 49 Alange Energy 49 Austral Pacific 49 Gasco Energy 49 Cimarex Energy 49 Calvalley 49 Nexen 49 Amguri 49 XTO Energy Inc. 49 South Timbalier 48 Commences Drilling 48 Targa Resources 48 Freewest Resources Canada 48 Magellan Petroleum 48 Gran Tierra Energy 48 IIROC Halt 48 CVR Energy 48 Petrohawk Energy Corporation 48 GeoMet 48 Magnum Hunter Resources 48 Energen Resources 48 Denbury Resources 48 VIC/P# 48 Anadarko Basin 48 Rosetta Resources 48 Harvest Natural Resources 48 farmout agreement 48 Lundin Petroleum AB 48 farmout 48 Canacol 48 GMX Resources Inc. 48 Pacific Rubiales Energy 48 Petrohawk 48 Goldnev 48 Westmoreland Coal 48 OPTI Canada 48 Energy XXI 48 Grants Options 48 Horseshoe Canyon 48 Gastar 48 Contango Oil & 48 Hyperdynamics 48 Bois d' Arc 48 EnCore 48 Private Placement Financing 48 ChipMOS TECHNOLOGIES Bermuda