Related by context. Frequent words. (Click for all words.) 85 EnCana 65 Suncor 64 EnCana Corp. 62 Petro Canada 61 Nexen 60 Talisman 59 oil sands 59 Kerr McGee 59 XTO 58 ConocoPhillips 58 oilsands 57 Oil Sands 56 Anadarko 56 Suncor Energy 55 Chesapeake Energy 54 Conoco 54 Pengrowth 54 Imperial Oil 54 TransCanada 53 shale gas 53 EOG 53 Statoil 52 Exxon Mobil 52 Chevron 52 PetroChina 52 Husky Energy 52 Suncor Energy Inc. 51 PetroKazakhstan 51 Enbridge 51 natural gas 51 Bakken 50 XTO Energy 50 TransAlta 50 Teck Cominco 50 CNPC 50 Ivanhoe Energy 50 ExxonMobil 50 StatoilHydro 50 ChevronTexaco 50 Royal Dutch Shell 49 drillers 49 upgrader 49 tar sands 49 coalbed methane 49 Sinopec 49 Cameco 49 PotashCorp 48 Marathon Oil 48 Syncrude 48 Range Resources 48 Kinder Morgan 48 Addax Petroleum 47 Exxon 47 Barnett Shale 47 Chevron Corp. 47 Schlumberger 47 Williston Basin 47 CNOOC 47 oil 47 NovaGold 47 KNOC 47 Cardium 47 Pembina 47 BHP 47 Alberta 47 Canfor 46 shale 46 Anadarko Petroleum Corp. 46 Exxon Mobil Corp. 46 Spectra Energy 46 Cnooc 46 Athabasca 46 Placer Dome 46 horizontal wells 45 oilfield 45 Tullow 45 Unocal 45 Marcellus 45 DNO 45 Agrium 45 Grey Wolf 45 Barrick 45 Fort McMurray 45 North Slope 44 Goldcorp 44 Powder River Basin 44 Exxon Mobil Corp 44 boe 44 Agnico Eagle 44 potash 44 horizontal drilling 44 oilfields 44 BHP Billiton 44 Marcellus Shale 43 Occidental Petroleum 43 Teck 43 Questar 43 PXP 43 Haynesville Shale 43 drilling rigs 43 Potash