Related by context. Frequent words. (Click for all words.) 62 NYSE TSO 60 petroleum refiner 59 NYSE RRC 58 NYSE ANR 57 NYSE MRO 57 NYSE PCX 57 Copano Energy LLC 56 Ultra Petroleum 56 NYSE COG 55 Approach Resources 54 Cimarex Energy 54 NYSE EPD 54 Parallel Petroleum 54 Overseas Shipholding 54 NYSE PVA 54 WNR 54 Transfer Partners LP 54 Concho Resources Inc. 54 Transfer Equity 54 NYSE APC 53 Flotek Industries Inc. 53 Energy Partners LP 53 Comstock Resources 53 Crimson Exploration 53 Rosetta Resources 53 NYSE CNX 53 Legacy Reserves 53 NYSE ACI 53 NYSE CPN 53 Anworth Mortgage Asset 53 ENSCO International 53 NYSE ECA 52 Crosstex Energy 52 Magellan Midstream Partners 52 NYSE ETR 52 Targa Resources Partners LP 52 Bronco Drilling 52 Whiting Petroleum 52 GMXR 52 NYSE PCG 52 NYSE LZ 52 NYSE COP 52 NYSE PAA 52 NYSE DF 52 McMoRan Exploration Co. 51 Westlake Chemical 51 Brigham Exploration 51 Vanguard Natural Resources 51 NYSE EPE 51 CVR Energy 50 Newfield Exploration Company 50 NYSE RDC 50 QEP Resources 50 Enterra Energy 50 NYSE CCJ 50 Baytex Energy Trust 50 GeoResources Inc. 50 Harvest Natural Resources 50 NYSE ETP 50 Crosstex Energy LP 50 Inc. NYSE DYN 50 EVEP 50 Corporation NYSE CHK 50 Getty Realty 50 Cimarex Energy Co. 50 Western Refining 50 Corp. VLO 49 refiner Valero Energy 49 Sunoco Logistics 49 Newfield Exploration 49 Allis Chalmers Energy 49 KWK 49 Schlumberger NYSE SLB 49 Exxon Mobil NYSE XOM 49 NYSE XTO 49 EXCO Resources Inc. 49 Graphic Packaging Holding 49 NYSE MOS 49 Carrizo Oil & 49 Pengrowth Energy 49 AHGP 49 Atlas Pipeline Partners 49 NYSE RIG 49 MarkWest Energy Partners LP 49 Williams NYSE WMB 49 NYSE HES 48 NYSE WY 48 Newfield Exploration Co. 48 Copano Energy 48 Quicksilver Resources 48 Quicksilver Gas Services 48 EOG Resources 48 Boardwalk Pipeline Partners LP 48 NuStar Energy 48 NYSE MEE 48 Callon Petroleum Company 48 Products Partners LP 48 OGE Energy 48 NYSE BTU 48 Alon USA 48 Cenovus Energy Inc.