Related by context. Frequent words. (Click for all words.) 67 Diamond Offshore Drilling 57 Ensco 52 National Oilwell Varco 52 Transocean 51 Patterson UTI Energy 50 GlobalSantaFe 49 Schlumberger 49 NYSE HAL 49 Hornbeck Offshore Services 49 Anadarko Petroleum 48 EOG Resources 48 Chevron NYSE CVX 47 drilling rig 47 Overseas Shipholding Group 47 Helix Energy 46 Helmerich & 46 Seadrill 46 rig 46 driller 45 Petrohawk 45 Anadarko 45 Pioneer Drilling 45 Mariner Energy 45 dayrates 45 Amerada Hess 44 DryShips 44 drilling rigs 44 rigs 44 Hyperdynamics 44 FMC Technologies 44 Kerr McGee 44 Anadarko Petroleum Corp. 44 McMoRan 43 oilfield 43 Willbros 43 Halliburton 43 Oceaneering 43 deepwater 43 offshore drilling contractor 42 drillship 42 Quicksilver Resources 42 Pioneer Natural Resources 42 Energy XXI 42 Ultra Petroleum 42 Petrobras 42 ConocoPhillips COP 41 Fugro 41 Exxon Mobil XOM 41 Talisman Energy 41 NYSE APC 41 Exxon 41 Subsea 7 41 & Coots 41 Quanta Services 40 Schlumberger Ltd. 40 Transocean Ltd. 40 DryShips Inc. 40 deepwater drilling 40 Hyundai Heavy Industries 40 Geokinetics 40 Halliburton Co. 40 StatoilHydro 40 Chesapeake Energy 40 Talisman Energy Inc. 40 Grey Wolf 40 Offshore Drilling 39 EOG Resources Inc. 39 Marathon Oil 39 Saipem 39 Oilfield Services 39 Exxon Mobil 39 Drilling 39 XTO Energy 39 Flowserve 39 Offshore 39 CVX 39 XOM 39 Expro 39 Occidental Petroleum 39 Kosmos Energy 39 Anadarko Petroleum Corporation 39 Nabors 39 BP PLC BP 39 EOG 39 Teekay 39 Statoil 39 Cleco 38 PEMEX 38 InterOil 38 Technip 38 Dresser Rand 38 VAALCO 38 ENSCO 38 Chevron CVX 38 Range Resources 38 Patriot Coal 38 PDVSA 38 BP 38 Subsea 38 drilling 38 Oilfield