Related by context. Frequent words. (Click for all words.) 66 Petrohawk 63 TXCO 63 Woodford Shale 62 Petroflow 62 Magnum Hunter 61 NGAS 59 NACEL Energy 59 Gastar 58 Royale Energy 58 Arkoma Basin 58 Cimarex 58 OGE Energy 57 McMoRan 57 Dejour 57 Haynesville shale 57 Cano Petroleum 57 Enogex 57 Twin Butte 56 Newfield Exploration 56 Gran Tierra Energy 56 GMXR 56 EXCO Resources Inc. 56 EVEP 56 Petrodelta 55 MarkWest 55 Legacy Reserves 55 Energy XXI 55 GreenHunter Energy 55 ONEOK Partners 55 Whiting Petroleum Corporation 55 Pengrowth 54 Stratic 54 Appalachian Basin 54 Williston Basin 54 Atlas Pipeline 54 BreitBurn 54 Piceance 54 CNX Gas 54 EnQuest 53 PetroSun 53 farmout 53 Flotek 53 Comstock Resources 53 SandRidge 53 Rosetta Resources 53 Enterra 53 Harvest Natural Resources 53 Denbury 53 Copano 53 Approach Resources 53 PetroBakken 53 BPZ 53 Bois d' Arc 52 SouthGobi 52 Rio Alto 52 recompletion 52 Oilsands Quest 52 Western Goldfields 52 Geokinetics 52 MarkWest Energy Partners 52 CNOOC Limited 52 Canetic 52 Enerplus 52 SandRidge Energy Inc. 52 Atna 52 Granite Wash 51 Inergy LP 51 Highpine 51 Keyera 51 Vangold 51 Aura Minerals 51 VAALCO 51 NuVista 51 Quest Resource 51 Magellan Petroleum 51 PrimeWest 51 Crosstex Energy 51 Valero LP 51 DCP Midstream Partners LP 51 MMcfe 51 Austin Chalk 51 Unicorp 51 Zargon 51 Haynesville Shale 51 VHGI 51 Bankers Petroleum 50 Layne Christensen 50 Ultra Petroleum 50 Petrobank 50 Pan Orient 50 Magellan Midstream Partners LP 50 Baytex 50 Oneok 50 Petrominerales 50 waterflood 50 Noreco 50 Galoc 50 MMLP 50 Peyto 50 Xtreme Coil 50 Inergy