Related by context. Frequent words. (Click for all words.) 58 Harvest Natural Resources 57 Enterra Energy 57 Canacol 57 ProspEx 56 Baytex Energy Trust 56 Petrobank 56 Pacific Rubiales 56 Peyto Energy 55 Energy XXI 55 GeoResources Inc. 55 Parallel Petroleum 55 BPZ Energy 54 Aura Minerals 54 Petrominerales 54 Gastem 54 Gulfsands 54 Enerplus Resources Fund 53 Stratic 53 Petrolifera 53 EnQuest 53 Oilsands Quest 53 Dejour 53 Enerplus 52 Petro Vista 52 Operational Update 52 Gran Tierra 52 Ivanhoe Energy 52 Gasco Energy 52 Comstock Resources 52 Pengrowth Energy 51 Nexen 51 Compton Petroleum 51 Precision Drilling Trust 51 Approach Resources 51 Terra Ventures 51 Vanguard Natural Resources 51 Petroceltic 51 Petro Andina 51 Agnico Eagle 51 PetroQuest 51 Legacy Reserves 50 Twin Butte 50 Talisman Energy Inc. 50 BPZ 50 Whiting Petroleum Corporation 50 Cenovus Energy Inc. 50 Ultra Petroleum 50 Canarc 50 Dundee Precious Metals 50 Duran Ventures 50 Culane 50 TransGlobe 50 Concho Resources Inc. 50 Alamos Gold 50 Oilexco 50 Niko Resources 50 Talisman Energy 50 Highpine 49 PetroBakken 49 Brigham Exploration 49 Gran Tierra Energy 49 Roc Oil 49 VG Gold 49 MegaWest 49 Encana 49 Dana Petroleum 49 PetroKazakhstan 49 Lundin Petroleum 48 Burren Energy 48 Aur Resources 48 Eldorado Gold 48 Husky Energy 48 National Instrument NI 48 Exploration 48 Oil Sands 48 Royale Energy 48 Oilex 48 Pan Orient 48 Canetic 48 CNOOC Limited 48 Precision Drilling 48 Aminex 48 boepd 48 Grande Cache Coal 48 shale gas 48 TAG Oil 47 Rosetta Resources 47 boed 47 Cenovus 47 Kinross Gold 47 Genoil 47 OPTI Canada 47 Pioneer Natural Resources 47 NuVista 47 Cimarex Energy Co. 47 Allis Chalmers Energy 47 EnCana 47 Petrobank Energy 47 Baytex 47 Agnico Eagle Mines 47 Whiting Petroleum