Related by context. Frequent words. (Click for all words.) 58 NYSE HAL 57 Schlumberger Limited 57 Diamond Offshore Drilling 57 Halliburton HAL 56 National Oilwell Varco 56 Exxon Mobil NYSE XOM 55 Schlumberger Ltd 55 National Oilwell 53 Ensco International 53 Allis Chalmers Energy 53 Oceaneering International 52 Schlumberger Ltd. 52 Patterson UTI Energy 52 Chevron NYSE CVX 51 Nabors Industries Ltd. 51 Exxon Mobil XOM 50 Hercules Offshore 50 Schlumberger 50 Hercules Offshore Inc. 49 ExxonMobil XOM 49 Carrizo Oil & 49 Transocean RIG 49 Harvest Natural Resources 48 Rosetta Resources 48 EOG Resources 48 Cal Dive International 48 ExxonMobil NYSE XOM 48 oilfield 47 NYSE XOM 47 Anadarko Petroleum 47 NYSE CHK 47 offshore drilling contractor 47 EOG Resources Inc. 47 Helix Energy 47 FMC Technologies 47 NYSE APC 47 Patterson UTI 47 Comstock Resources 47 McMoRan Exploration Co. 46 Whiting Petroleum Corporation 46 Diamond Offshore 46 NFX 46 Grant Prideco 46 Ultra Petroleum 45 Pioneer Drilling 45 FMC Technologies Inc. 45 Chevron CVX 45 Oilfield 45 BJ 45 Nabors Industries 44 SBM Offshore 44 Helmerich & 44 ConocoPhillips COP 44 Pioneer Natural Resources 44 United Technologies UTX 44 Crosstex Energy 44 Energy XXI 43 XTO 43 Halliburton Co. 43 Exxon Mobil Corp 43 Royale Energy 43 Bois d' Arc 42 Range Resources 42 Dow Chemical DOW 42 Acergy 42 Cabot Oil 42 NYSE COP 42 EXCO Resources Inc. 42 NYSE CNX 42 GMXR 42 XOM.N Quote Profile Research 42 Petrohawk 42 ConocoPhilips 42 Vanguard Natural Resources 42 Marathon Oil 41 Suncor Energy 41 Continental Airlines CAL 41 ConocoPhillips 41 Goodrich Petroleum 41 Cal Dive 41 Petrofac 41 Expro 41 Halliburton 41 Lockheed Martin LMT 41 Amerada Hess 41 Overseas Shipholding Group 40 rigs 40 Roc Oil 40 XOM 40 Howard Weil 40 Abbott Laboratories ABT 40 XTO Energy 40 Furmanite 40 Athabasca Oil 40 Anadarko Petroleum Corp. 40 Chevron Corp 40 WMB 40 Nexen 40 Ensco 40 XTO Energy Inc. 40 CVR Energy