Related by context. Frequent words. (Click for all words.) 58 QRCP 57 Encore Acquisition Company 56 CNX Gas Corporation 55 Abraxas Petroleum 54 Atlas Pipeline Partners 54 Crimson Exploration 54 DCP Midstream Partners 53 Magnum Hunter 53 Denbury Resources Inc. 53 Cequence 53 Exco Resources 53 GMXR 53 CanArgo 52 BBEP 52 Vantage Drilling Company 52 EXCO Resources Inc. 52 Newfield Exploration Company 52 Parallel Petroleum 51 ArcLight Capital 51 Petrohawk 51 Vanguard Natural Resources 51 GMX Resources Inc. 51 MarkWest Energy Partners 51 ProspEx 51 NGAS 51 NuLoch 50 GHL Acquisition 50 Williams NYSE WMB 50 Contango Oil & 50 Atlas Pipeline 50 Twoco 50 Copano Energy LLC 50 GeoResources Inc. 50 WestFire 50 Kayne Anderson Energy 50 Magnum Hunter Resources 50 EnerVest 50 Approach Resources 50 convertible promissory notes 50 EnerJex 50 EVEP 49 C Cumulative Redeemable 49 Denbury 49 Callon Petroleum Company 49 PetroQuest 49 GeoResources 49 Exterran Partners 49 GreenHunter Energy 49 PanOcean 49 BreitBurn Energy Partners LP 49 Energen Resources 49 GeoPetro 49 Gastar 49 Concho Resources Inc. 48 Cano Petroleum 48 Quest Resource 48 Cimarex 48 Legacy Reserves 48 LINN Energy 48 MarkWest Hydrocarbon 48 Hiland Partners LP 48 TODCO 48 Kohlberg Capital 48 Enterra Energy 48 Teekay LNG 48 Denbury Resources 48 Bronco Drilling 48 B Convertible Preferred 48 Brigham Exploration 48 underwriters exercised 48 BPZ Energy 48 Targa Resources Partners LP 48 NYSE RRC 48 Mooncor 47 Flotek Industries Inc. 47 Gastar Exploration 47 Highpine 47 Abraxas Petroleum Corporation 47 Bois d' Arc 47 Quicksilver Resources 47 MarkWest 47 Copano Energy 47 Petrosearch 47 convertible subordinated debentures 47 Teekay Offshore 47 repay indebtedness 47 Enogex 47 Products Partners LP 47 Petro Reef 47 Magellan Petroleum 47 convertible perpetual 47 Senior Floating Rate 46 Peyto Energy 46 Boardwalk Pipeline Partners LP 46 Pan Orient 46 Bonavista Energy 46 Dejour Enterprises Ltd. 46 Sterling Bancshares 46 Harvest Natural Resources 46 Petroflow 46 Spectra Energy Partners