Related by context. Frequent words. (Click for all words.) 53 Anadarko Petroleum Corp. 53 NYSE APC 52 Anadarko Petroleum 50 Anadarko 50 Occidental Petroleum Corporation 50 NYSE MRO 50 Harvest Natural Resources 49 Whiting Petroleum Corporation 49 Transfer Partners LP 48 DCP Midstream Partners LP 48 Ultra Petroleum 47 Crosstex Energy 47 Rosetta Resources 47 Enogex 47 EXCO Resources Inc. 46 EOG Resources Inc. 46 MarkWest Energy Partners LP 46 Kerr McGee 46 OGE Energy 46 EOG 46 Marathon Oil 45 Quicksilver Resources 45 Transfer Equity 45 Energy XXI 45 Talisman Energy Inc. 45 NYSE EPD 44 EOG Resources 44 NYSE COP 44 Petrohawk 44 Midstream 44 Chesapeake Energy 43 Comstock Resources 43 Atlas Pipeline 43 TEPPCO Partners LP 43 Contango 43 Nabors Industries Ltd. 43 XTO Energy Inc. 43 CNOOC Limited 43 VAALCO 43 MarkWest 43 StatoilHydro 42 Sunoco Logistics Partners LP 42 McMoRan 42 Products Partners LP 42 Woodford Shale 42 Allis Chalmers Energy 42 Oceaneering International 42 Cimarex 42 SandRidge Energy Inc. 42 Pipeline LP 42 MarkWest Energy Partners 42 Pioneer Natural Resources 42 GMXR 42 Appalachian Basin 42 ConocoPhillips 42 Energy Partners LP 42 Mariner Energy 41 Quest Resource 41 Atlas Pipeline Partners LP 41 Schlumberger Limited 41 Martin Midstream Partners 41 Denbury Resources Inc. 41 Pengrowth 41 Geokinetics 41 Buckeye Partners LP 41 DCP Midstream 41 Amerada Hess 41 Oil Sands 41 Cal Dive 41 Petrolifera 41 Boepd 41 Integrys Energy Services 41 CenterPoint Energy 41 McMoRan Exploration Co. 41 Western Canadian Sedimentary 40 NGAS 40 Bakken Shale 40 XTO Energy 40 Maersk Oil 40 Statoil ASA 40 Exxon Mobil 40 FMC Technologies Inc. 40 Piceance 40 Williston Basin 40 liquids NGL 40 Bois d' Arc 40 MMcfe 40 Statoil 40 Hercules Offshore 40 Lundin Petroleum 40 Hyperdynamics 40 Magnum Hunter 40 Avista Corp. 40 Hercules Offshore Inc. 40 TXCO 40 ExxonMobil 40 Gran Tierra Energy 40 Helix Energy 40 deepwater Gulf 39 Kosmos Energy 39 Atlas Pipeline Holdings