Related by context. Frequent words. (Click for all words.) 63 Patterson UTI Energy 53 Hercules Offshore 52 Magnum Hunter 51 Diamond Offshore Drilling 49 Ultra Petroleum 49 Helmerich & 49 Oceaneering International 48 driller 48 Grant Prideco 47 EOG Resources 47 National Oilwell Varco 47 Chesapeake Energy 46 Helix Energy 45 oilfield 45 SandRidge 45 GlobalSantaFe 44 EOG 44 Mariner Energy 44 Transocean 44 XTO Energy Inc. 44 Carrizo Oil & 43 Crosstex Energy 43 XTO 43 Schlumberger Ltd. 43 Petrohawk 43 offshore drilling contractor 43 Range Resources 42 Precision Drilling 42 Precision Drilling Trust 42 Oneok 42 Consol Energy 42 Willbros 42 ONEOK 42 Willbros Group 42 rigs 42 Ensco 42 Oilfield Services 42 Cabot Oil 41 drillers 41 Lufkin Industries 41 CNX Gas 41 drilling rigs 41 Goodrich Petroleum 41 Hyperdynamics 41 Uranium Resources 41 MDU Resources Group 40 Gastar 40 Geokinetics 40 Venoco 40 Schlumberger 40 JB Hunt Transport 40 Cimarex 40 Commercial Metals 39 Pioneer Drilling 39 dayrates 39 EOG Resources Inc. 39 rig 39 FMC Technologies 39 XTO Energy 39 Diamond Offshore 39 Flotek 39 Halliburton Co. 39 drilling rig 39 CONSOL 39 Grey Wolf 39 Quicksilver Resources 39 Oilfield 38 TXCO 38 Drilling 38 Tesoro Corp. 38 ConocoPhillips COP 38 NYSE APC 38 AK Steel Holding 38 Pioneer Natural Resources 38 Anadarko Petroleum 38 & Coots 38 Patriot Coal 38 Halliburton 38 EnCana 38 Schlumberger Limited 37 DryShips 37 Western Refining 37 Deepwater Horizon 37 Exxon Mobil 37 drilling fluids 37 Exxon Mobil Corp 37 Alon USA 37 Subsea 7 37 McMoRan 37 Tesoro 37 VECO 37 Kinder Morgan 37 Energen 37 Barnett Shale 37 Exxon Mobil XOM 37 StatoilHydro 37 ERHC 37 PXP 37 CNOOC Limited 37 Gran Tierra Energy 37 Occidental Petroleum