Related by context. Frequent words. (Click for all words.) 63 Unocal 50 Chevron Texaco 47 Chevron 46 Unocal Corp. 45 Occidental Petroleum 45 CNOOC 44 Amerada Hess 44 CNPC 44 ExxonMobil 44 Conoco Phillips 44 PetroKazakhstan 43 ChevronTexaco 41 ARCO 41 oil 41 Halliburton 41 Atlantic Richfield 40 oilfields 40 Mobil Oil 40 Exxon Mobil 40 Petrobangla 40 oilmen 40 Conoco 39 Lukoil 39 ExxonMobil XOM 39 Sinopec 39 Petroleum 39 ConocoPhilips 39 Aramco 39 Bechtel 38 Cnooc 38 Exxon 38 Amoco 38 Shell Oil 38 ONGC Videsh 38 Occidental 37 petroleum 37 Texaco 37 Offshore Oil 37 ConocoPhillips 37 CNOOC Limited 37 BP Amoco 37 PNOC 37 Italy ENI 37 Occidental Petroleum Corporation 37 CNOOC Ltd 36 Chevron CVX 36 Exxon Mobil NYSE XOM 36 Saudi Aramco 36 Chevron Corp. 36 CNOOC Ltd. 36 PetroChina 36 Chevron NYSE CVX 36 IOCs 36 Chevron Corp 36 Talisman Energy 36 Eni 36 Kerr McGee 36 Royal Dutch Shell 35 AEI 35 Oxy 35 Occidental Petroleum Corp. 35 OVL 35 Malaysia Petronas 35 operatorship 34 Petrochina 34 Encana 34 hydrocarbon reserves 34 EnCana 34 Rosneft 34 KOGAS 34 multinationals 34 Sinochem 34 Exxon Mobil XOM 34 Schlumberger 34 Ecopetrol 34 ExxonMobil NYSE XOM 34 Anadarko Petroleum 34 Natural Gas 33 multinational 33 Shell 33 Koch Industries 33 BG Group 33 PdVSA 33 Petronas 33 natural gas 33 LUKOIL 33 XTO Energy 33 PEMEX 33 Oil 33 neo cons 33 Italy Eni 33 Norway Statoil 33 US 33 oilfield 32 KNOC 32 LUKoil 32 ANWR 32 Inpex 32 Pioneer Natural Resources 32 Repsol 32 Gulfsands