Related by context. Frequent words. (Click for all words.) 66 NYSE CHK 65 Corporation NYSE CHK 64 NYSE RRC 61 NYSE ECA 59 Parallel Petroleum 59 XTO Energy Inc. 58 NYSE NOV 58 Rosetta Resources 58 Approach Resources 58 Ultra Petroleum 58 NYSE COP 58 NYSE APC 58 Exxon Mobil NYSE XOM 58 EXCO Resources Inc. 57 Concho Resources Inc. 57 Comstock Resources 56 NYSE HAL 56 NYSE TSO 56 XTO 55 Cimarex Energy 55 GeoResources Inc. 55 Harvest Natural Resources 55 Newfield Exploration 55 Carrizo Oil & 54 Copano Energy 54 NYSE ANR 54 GMXR 54 McMoRan Exploration Co. 53 XOM 53 NYSE ACI 53 XTO Energy 53 NYSE HES 53 NYSE XOM 53 NYSE CNX 53 ExxonMobil XOM 53 Vanguard Natural Resources 53 Chevron NYSE CVX 53 EQT Corporation 53 NYSE ABX 53 Magnum Hunter 53 NYSE CVX 52 Crimson Exploration 52 NYSE MRO 52 ENSCO International 52 Allis Chalmers Energy 52 Schlumberger NYSE SLB 52 SandRidge Energy Inc. 52 Legacy Reserves 52 Nabors Industries Ltd. 52 Whiting Petroleum Corporation 51 Petrohawk 51 Bronco Drilling 51 SandRidge Energy 51 EVEP 51 Exxon Mobil XOM 50 Whiting Petroleum 50 Enerplus Resources Fund 50 Pioneer Natural Resources 50 AUY 50 Cimarex Energy Co. 50 VLO 50 CALGARY ALBERTA MARKET WIRE 50 NASDAQ SIRI 50 Chesapeake Energy 49 NYSE TOT 49 NYSE FCX 49 ESRX 49 Encore Acquisition Company 49 NYSE PGN 49 Callon Petroleum Company 49 CVX 49 DLTR 49 Brigham Exploration 49 ConocoPhillips COP 49 NYSE PBR 49 PCLN 49 EOG Resources Inc. 49 OVTI 49 Pengrowth Energy 48 National Oilwell 48 Royale Energy 48 NYSE POT 48 BPZ Energy 48 SOLF 48 Schlumberger SLB 48 Cal Dive International 48 Atlas Pipeline 48 Denbury Resources Inc. 48 Baytex Energy Trust 48 NYSE BYD 48 CHK 48 National Oilwell Varco 48 Quicksilver Resources 48 EOG 47 NYSE ETR 47 EOG Resources 47 Compton Petroleum 47 NGAS 47 Chevron CVX 47 Petrohawk Energy Corporation 47 DYN