Related by context. Frequent words. (Click for all words.) 60 Denbury Resources Inc. 59 Denbury 58 DCP Midstream Partners 57 Newfield Exploration Company 56 LINN Energy 56 EnerJex 54 Concho Resources 54 Toreador Resources Corporation 54 Vantage Drilling Company 54 EXCO Resources Inc. 53 Magnum Hunter Resources 53 Encore Acquisition Company 53 Copano Energy 53 Parallel Petroleum 53 MarkWest Energy Partners 53 Denbury Resources 53 GeoResources Inc. 53 NYSE MWE 53 BPZ Energy 52 Petrohawk 52 VAALCO Energy 52 Legacy Reserves 52 Harvest Natural Resources 52 GeoResources 52 PanOcean 52 Austral Pacific 52 Enterra Energy 52 Vast Exploration Inc. 51 Peyto Energy 51 Abraxas Petroleum 51 Cimarex 51 Magnum Hunter 51 NGAS Resources 51 Abraxas Energy 51 EXCO Resources 51 RANGE RESOURCES CORPORATION 51 TransMontaigne Partners LP 50 Newfield Exploration 50 Exco Resources 50 MarkWest 50 Vanguard Natural Resources 50 Approach Resources 50 BreitBurn Energy Partners LP 50 Ultra Petroleum 50 Concho Resources Inc. 50 Energy XXI 50 MiMedx Group 50 CAMAC Energy 50 NiMin 50 Copano Energy LLC 50 Corporation NYSE VLO 50 GMX Resources Inc. 50 Avro Energy 50 Bonavista Energy 50 Contango Oil & 50 Gastar Exploration 49 Exterran 49 MarkWest Hydrocarbon 49 Targa Resources Partners LP 49 QEP Resources 49 EVEP 49 Dejour Enterprises Ltd. 49 Williams NYSE WMB 49 Petrohawk Energy 49 Sunoco Logistics 49 Petroflow 49 Helge Lund 49 Callon Petroleum Company 49 Cano Petroleum 49 Whiting Petroleum 49 PostRock 48 GMX Resources 48 GMXR 48 OGE Energy 48 NYSE UPL 48 Connacher Oil 48 AOSC 48 BPZ Resources Inc. 48 DCP Midstream Partners LP 48 EXCO 48 NYSE RRC 48 QRCP 48 Petrosearch 48 Enerplus Resources Fund 48 EnerVest 48 Energy XXI Bermuda 48 Kayne Anderson Energy 48 Crimson Exploration 48 Baytex Energy Trust 47 GreenHunter Energy 47 Cimarex Energy Co. 47 OMDA Oil 47 CNOOC Limited 47 Exterran Partners 47 ONEOK Partners 47 Goldnev 47 NuStar GP Holdings 47 Dawson Geophysical Company 47 Frontera Resources 47 CanArgo 47 Quest Resource