Related by context. Frequent words. (Click for all words.) 65 GeoResources Inc. 65 Newfield Exploration Company 65 Concho Resources Inc. 64 Rosetta Resources 62 Approach Resources 62 Crimson Exploration 62 Parallel Petroleum 61 Newfield Exploration 60 Cimarex Energy 60 GMX Resources Inc. 59 NYSE RRC 59 McMoRan Exploration Co. 59 Petrohawk 59 Brigham Exploration 59 Comstock Resources 59 Harvest Natural Resources 58 Cimarex Energy Co. 58 ENSCO International 57 Brigham Exploration Company 57 Ultra Petroleum 56 Whiting Petroleum 56 Gastar Exploration Ltd. 56 Royale Energy 56 CNOOC Limited 56 Goodrich Petroleum 55 Denbury Resources Inc. 55 Encore Acquisition Company 55 LINN Energy 55 GeoPetro 55 GMXR 55 Carrizo Oil & 55 KWK 55 Flotek Industries Inc. 55 Monogram Energy 55 Legacy Reserves 55 Callon Petroleum Company 54 BEXP 54 BPZ Energy 54 Whiting Petroleum Corporation 54 Copano Energy LLC 54 PetroQuest 54 CNOOC Ltd 54 BBEP 53 Allis Chalmers Energy 53 Vanguard Natural Resources 53 ENERGY INC. 53 Nitro Petroleum 53 BPZ 53 GeoResources 52 Atwood Oceanics 52 Hyperdynamics 52 QEP Resources 52 NFX 52 EXCO Resources Inc. 51 Newfield Exploration Co. 51 Bronco Drilling 51 Pioneer Natural Resources 51 Occidental Petroleum Corporation 51 Quicksilver Resources 51 Cheniere Energy 51 Cano Petroleum 51 Ensco International 50 Corporation NYSE CHK 50 Baker Hughes BHI 50 Targa Resources Partners LP 50 Gasco Energy 50 Nabors Industries Ltd. 50 Dril Quip 50 CNOOC Ltd. 49 Baytex Energy Trust 49 SandRidge Energy 49 NYSE SLB 49 Bois d' Arc 49 XTO Energy Inc. 49 EnerJex 49 Denbury Resources 49 NGAS 49 Exco Resources 49 Cheniere Energy Inc. 49 Pacific Rubiales Energy 49 Petro Vista 49 NYSE NOV 48 Magnum Hunter 48 PXD 48 Weingarten Realty Investors 48 SandRidge Energy Inc. 48 CRK 48 Manas Petroleum 48 Copano Energy 48 WSP Holdings 48 KOG 48 NYSE RIG 48 Targa Resources 48 PetroChina Co 48 Atlas Pipeline Partners 48 Abraxas Petroleum Corporation 48 Huaneng Power International 48 Hercules Offshore 48 COSL 48 Patterson UTI Energy 48 Gastar