Related by context. Frequent words. (Click for all words.) 67 Anadarko Petroleum Corp. 67 Anadarko Petroleum 60 Anadarko 58 Exxon Mobil Corp 58 Chevron Corp 58 BP PLC BP 56 BP BP.L 54 BP Plc 53 Exxon Mobil Corp XOM.N 53 Tullow Oil 53 NYSE APC 53 Kosmos Energy 53 Occidental Petroleum Corp. 52 Chevron NYSE CVX 52 ConocoPhillips 52 Transocean RIG 52 Afren 52 BG Group 52 Schlumberger Ltd 52 Woodside Petroleum Ltd 51 Roc Oil 51 Occidental Petroleum 51 Austria OMV 51 Spain Repsol YPF 51 ConocoPhillips COP 51 Mariner Energy 51 Royal Dutch Shell 51 Repsol YPF 50 Total SA TOT 50 Exxon Mobil NYSE XOM 50 Repsol 49 Exxon Mobil 49 BP Plc BP.L 49 EnCana Corp. 49 Chevron Texaco 49 Italy ENI 49 Chevron Corp. 49 StatoilHydro 49 Harvest Natural Resources 48 Regal Petroleum 48 McMoRan Exploration Co. 48 Niko Resources 48 Repsol YPF SA 48 Statoil 48 Eni 48 Exxon Mobil XOM 48 Exxon Mobil Corp. 48 deepwater Gulf 48 Transocean 47 Norway Statoil 47 Talisman Energy 47 CNOOC 47 CVX 47 Dana Petroleum 47 Tullow 47 Pioneer Natural Resources 47 Chevron CVX 47 Cairn Energy 47 RDSa.L 47 deepwater exploration 47 Thunder Horse 47 PetroChina Co 47 Talisman Energy Inc. 47 BP 46 ChevronTexaco 46 Cnooc 46 ExxonMobil XOM 46 Italy Eni 46 PTT Exploration 46 Anadarko Petroleum Corporation 46 Barrick Gold 46 CNOOC Ltd 46 RDSa.L Quote Profile Research 46 Woodside Petroleum Ltd. 46 deepwater 46 Galp 45 Diamond Offshore Drilling 45 Cepsa 45 Chevron 45 Lundin Petroleum 45 Quicksilver Resources 45 Nexen 45 Rosetta Resources 45 BP BP.L Quote Profile 45 Woodside Petroleum 45 Statoil ASA 45 Amerada Hess 45 Conoco 45 ExxonMobil 45 Eni SpA 45 BP PLC 45 ExxonMobil NYSE XOM 45 Nabors Industries 45 BHP Billiton Ltd 45 Macondo 45 Energy XXI 45 BHP Billiton 45 Chesapeake Energy 44 Marathon Oil 44 ChevronTexaco Corp. 44 Hercules Offshore Inc.