Related by context. Frequent words. (Click for all words.) 62 GMXR 59 Petrohawk 59 Magnum Hunter 59 Vanguard Natural Resources 59 TXCO 57 Approach Resources 57 EXCO Resources Inc. 57 Legacy Reserves 57 NuStar GP Holdings 57 OGE Energy 56 Cimarex 56 Quest Resource 56 El Paso Pipeline 56 Rosetta Resources 56 Highpine 55 MarkWest Energy Partners 55 Royale Energy 55 Ultra Petroleum 55 ONEOK Partners 55 ProspEx 54 Comstock Resources 54 DCP Midstream Partners LP 54 Energy XXI 54 VAALCO 54 Petroflow 54 MMLP 54 Buckeye GP 54 Inergy LP 54 Atlas Pipeline Holdings 54 Allis Chalmers Energy 53 Atlas Pipeline 53 Transfer Partners LP 53 BreitBurn 53 MarkWest 53 Whiting Petroleum Corporation 53 NGAS 53 Carrizo Oil & 53 McMoRan 53 NuStar Energy LP 52 Oilsands Quest 52 Bronco Drilling 52 Transfer Equity 52 CNX Gas 52 Newfield Exploration 52 Baytex 52 Crosstex Energy 52 Gastar 52 Denbury 52 Tcfe 51 NuVista 51 Canetic 51 Enogex 51 Zargon 51 Crosstex Energy LP 51 Martin Midstream Partners 51 MarkWest Energy Partners LP 51 Hercules Offshore 51 Teekay Tankers 51 ARLP 50 Energen 50 Sunoco Logistics Partners LP 50 Pengrowth 50 Teekay Offshore 50 McMoRan Exploration Co. 50 Harvest Natural Resources 50 CVR Energy 50 Bcfe 50 Enterra Energy 50 Integrys Energy Group 50 EOG 49 TC PipeLines LP 49 Valero LP 49 Tombstone Exploration Corporation 49 Dejour 49 Bois d' Arc 49 Flotek 49 BPZ 49 Proved reserves 49 TODCO 49 Twin Butte 49 Oneok 49 NFX 49 BPZ Energy 49 Spectra Energy Partners 49 TEPPCO Partners LP 49 bcfe 49 MMBoe 49 Petrodelta 49 MGE Energy 48 Quicksilver Resources 48 SandRidge 48 Enerplus Resources Fund 48 STLD 48 Atlas Pipeline Partners LP 48 Weingarten Realty Investors 48 Cano Petroleum 48 SandRidge Energy Inc. 48 Copano 48 XTO 48 UIL Holdings 48 Navios Partners