Related by context. Frequent words. (Click for all words.) 61 Comstock Resources 60 Ultra Petroleum 59 Harvest Natural Resources 58 Quicksilver Resources 58 Marathon Oil 56 Anadarko Petroleum 55 NYSE APC 55 Nabors Industries Ltd. 55 ConocoPhillips COP 54 XTO Energy Inc. 54 Amerada Hess 54 Carrizo Oil & 54 EOG Resources 54 Occidental Petroleum Corporation 53 Anadarko 53 Petrohawk 53 Talisman Energy Inc. 53 Anadarko Petroleum Corp. 53 McMoRan Exploration Co. 53 ConocoPhillips 52 Talisman Energy 52 EXCO Resources Inc. 52 Occidental Petroleum 52 Rosetta Resources 51 XTO 51 Chesapeake Energy 51 Cimarex 51 Nexen 51 Exxon Mobil NYSE XOM 51 Woodford Shale 51 EOG Resources Inc. 51 GMXR 50 ExxonMobil XOM 50 Occidental Petroleum Corp. 50 Oneok 50 Products Partners LP 50 Halliburton HAL 50 Kerr McGee 50 Bakken Shale 50 Chevron NYSE CVX 50 XTO Energy 50 Chevron CVX 49 Exxon Mobil Corp 49 Allis Chalmers Energy 49 Range Resources 49 Crosstex Energy 49 National Oilwell Varco 49 SandRidge Energy Inc. 49 Magnum Hunter 49 Schlumberger 48 NYSE CVX 48 Exxon Mobil 48 Energy XXI 48 Denbury 48 MarkWest Energy Partners 48 Goodrich Petroleum 48 Vanguard Natural Resources 48 Denbury Resources Inc. 47 EnCana Corp. 47 McMoRan 47 Bankers Petroleum 47 EOG 47 Conoco 47 BP PLC BP 47 Grant Prideco 47 Exxon Mobil XOM 47 ConocoPhilips 47 Energen 47 shale gas 47 EnCana 46 Gastar 46 Plains Exploration 46 FMC Technologies 46 NYSE CHK 46 Exxon Mobil Corp. 46 Granite Wash 46 Schlumberger Ltd 46 Enerplus 46 Encana 46 Helix Energy 46 Atlas Pipeline 46 ONEOK 46 Chevron Corp 46 Transfer Equity 46 Total SA TOT 46 StatoilHydro 46 Baytex Energy Trust 46 deepwater Gulf 46 oilfield 46 ExxonMobil 46 ExxonMobil NYSE XOM 45 NYSE MRO 45 Alaska Prudhoe Bay 45 MDU Resources Group 45 NYSE COP 45 Suncor Energy 45 Barnett Shale 45 Oil Sands 45 Halliburton Co. 45 ChevronTexaco Corp. 45 NYSE HAL