Related by context. Frequent words. (Click for all words.) 53 Contango Oil & 52 USEG 51 Artumas 50 EnCore 50 Frontera Resources 50 API SmartBrief 49 Centrica plc 49 Farmout Agreement 49 GMX Resources 49 Royale Energy 49 DCP Midstream Partners 48 Nitro Petroleum 48 Transeuro 48 Nextraction 48 Newfield Exploration 47 Gran Tierra 47 Enterra Energy 47 CAMAC Energy 47 Nova Biosource Fuels 47 GeoMet 47 GeoPetro 46 natural gas 46 Production Enhancement 46 Senergy 46 Gastar Exploration 46 Uranerz Energy 46 EXCO Resources 46 Whiting Petroleum 46 Exco Resources 46 Cimarex 46 Panna Mukta 46 Magnum Hunter 45 NACEL Energy 45 Norway StatoilHydro 45 GridSense 45 InterOil 45 NGAS Resources 45 Cheniere Energy 45 NuLoch 45 Trican 45 VRB Power 45 Williams NYSE WMB 45 Shear Wind 45 Tekoil 44 Peyto Energy 44 Permian basin 44 Gas 44 Energen Resources 44 Syngas 44 Occidental Petroleum NYSE OXY 44 hydrocarbon reserves 43 Bridas 43 MMBoe 43 Hercules Offshore 43 Copano Energy LLC 43 coalbed methane CBM 43 Sempra Energy NYSE SRE 43 BW Offshore 43 GMXR 43 unconventional shale 43 EGAS 43 Hydrocarbon 43 G4G 43 Maritech 43 oil 43 RRI Energy Inc. 43 SinoTech 43 BG Group 43 NYSE RRC 43 BOED 43 Strathmore Minerals Corp. 43 CARBO 43 gas 43 Quicksilver Gas Services 42 Det norske 42 Norwegian Continental Shelf 42 OAO Lukoil 42 Atlas Pipeline Partners 42 Norex 42 ENI SpA 42 Mooncor 42 GBRC 42 Oil 42 Haynesville shale 42 Sempra Generation 42 Woodford Shale 42 Bellamont 42 CNX Gas 42 El Nino Ventures 42 Gulfsands Petroleum 42 Algeria Sonatrach 42 National Clean Fuels 42 Tullow Oil plc 42 gasfields 42 Baytex Energy Trust 42 Cequence 41 E.ON Ruhrgas 41 Cal Dive 41 Iberdrola Renovables 41 GreenHunter 41 Crocotta