Related by context. Frequent words. (Click for all words.) 66 OMDA Oil 63 Contango Oil & 60 NAL Oil 58 Tekoil 56 Caza Oil & 56 Americas Petrogas 55 Vast Exploration Inc. 55 PetroGlobe 55 Nitro Petroleum 53 Ausam 53 EnDevCo 53 Transmeridian 53 Alange Energy 53 Newfield Exploration Company 53 GeoResources Inc. 53 Connacher Oil 53 Nova Biosource Fuels 52 LSB Industries 52 MSEV 52 Carrizo Oil & 52 EnerGulf 52 Sonoran Energy 52 Mooncor 52 NGAS Resources 52 Nextraction 52 Rancher Energy 52 QRCP 51 LINN Energy 51 GMX Resources 51 Gas 51 Royale Energy 51 Eurogas 51 Brownstone Ventures Inc. 51 EGAS 51 NiMin 51 IPAA Oil 51 Calvalley 50 API SmartBrief 50 WestFire 50 Centrica plc 50 VAALCO Energy 50 BPZ Energy 50 Canacol 50 Peyto Energy 50 USEG 50 Blugrass Energy Inc. 50 O2Diesel 50 Parallel Petroleum 50 PetroFalcon 50 Petro Andina 50 GS CleanTech 50 Petromin 49 Falkland Oil 49 ProspEx 49 Cequence 49 Manas Petroleum 49 Avro Energy 49 Crimson Exploration 49 Petro Reef 49 Legacy Reserves 49 Whiting Petroleum Corporation 49 KazMunayGas 49 CAMAC Energy Inc. 49 Det norske 49 BPZ Resources Inc. 49 Monogram Energy 49 Magnum Hunter Resources 49 GeoPetro 49 PanOcean 49 Petrosearch 49 CUCBM 49 Natural Gas 49 Frontera Resources 48 Candax 48 PNG LNG project 48 co venturers 48 GeoMet 48 GMX Resources Inc. 48 Brigham Exploration 48 Bapex 48 BreitBurn Energy Partners LP 48 Oilsands Quest Inc. 48 CNOOC Limited 48 Texalta 48 Crocotta 48 ERHC Energy Inc. 48 Concho Resources Inc. 48 OGE Energy 48 EnerVest 48 Concho Resources 48 Sinoenergy 48 VeraSun Energy Corporation 48 TAG Oil 47 Gastem 47 CAMAC Energy 47 Rosetta Resources 47 Tanzanian Royalty 47 Williams NYSE WMB 47 Artumas 47 VIC/P# 47 Envestra