Related by context. Frequent words. (Click for all words.) 61 FieldPoint Petroleum Corporation 56 PetroQuest Energy 56 Baytex Energy 55 Newfield Exploration Company 55 TXCO Resources 53 Crimson Exploration 53 BPZ Resources 52 VAALCO Energy 52 OYO Geospace 52 Pacific Rubiales Energy 51 CPNO 51 Royale Energy 51 Fairborne Energy Ltd. 51 PetroFrontier 51 MegaWest Energy 51 GMX Resources 51 Mexco Energy Corporation 51 Contango Oil & 50 Gastar Exploration 50 Parallel Petroleum 50 Whiting Petroleum 50 Avro Energy 50 HDY 50 Vantage Drilling 50 Brigham Exploration 50 GMX Resources Inc. 50 GeoResources Inc. 49 ERHC Energy Inc. 49 Computer Modelling Group 49 Harvest Natural Resources 49 BPZ Resources Inc. 49 USEG 49 Cheniere Energy Partners LP 49 JED Oil Inc. 49 BBEP 49 Frontera Resources 49 Copano Energy LLC 49 CRZO 48 Exco Resources 48 PetroQuest 48 NYSE WLL 48 Cimarex Energy Co. 48 Ultra Petroleum 48 Ausam 47 Whiting Petroleum Corporation 47 NYSE TLM 47 EZchip Semiconductor 47 Ember Resources 47 Uranerz Energy 47 Dorchester Minerals 47 Newfield Exploration 47 Topaz Resources 47 PETD 47 Nitro Petroleum 47 Veritas DGC Inc. 47 Vaalco 47 Calvalley 47 EXXI 47 Austral Pacific Energy 47 Exall Energy 47 Wexpro 47 Vanguard Natural Resources 46 ENSCO International 46 McMoRan Exploration 46 Incorporated NYSE BHI 46 NASDAQ BEXP 46 Pericom Semiconductor 46 GMXR 46 Sonoran Energy 46 Quanex Building Products 46 BSIC 46 PYR 46 TransAtlantic Petroleum Ltd. 46 TransAtlantic Petroleum Corp. 46 Magellan Petroleum 46 Rosetta Resources 45 Vulcan Minerals 45 Omnivision Technologies 45 KMG Chemicals 45 Calfrac Well Services 45 NYSE BHI 45 Rubicon Minerals 45 BreitBurn Energy Partners 45 Meta Petroleum 45 BRY 45 TSX V TAO 45 CWEI 45 AAPH 45 Stratic Energy 45 Gas COG 45 Interoil 45 Marathon PGM Corporation 44 Quetzal Energy 44 NiMin 44 NYSE UPL 44 Particle Drilling Technologies 44 NYSE AVX 44 Canext 44 Trafina 44 DHT Holdings 44 Gasco Energy