Related by context. Frequent words. (Click for all words.) 54 Occidental 47 Chevron 45 Conoco 44 Exxon 44 Texaco 43 Shell 43 Kerr McGee 43 Occidental Petroleum 43 ChevronTexaco 42 Chem 41 Repsol 40 Statoil 40 EnCana 39 Arco 39 Talisman 39 Repsol YPF 39 oil 39 Occidental Petroleum Corp. 39 Petro Canada 39 gas 39 Ecopetrol 38 Hydrocarbon 38 ARCO 38 Pemex 38 Eni 38 Unocal 37 ConocoPhillips 37 Husky 37 Anadarko 37 Lukoil 37 Circle K 37 Gas 37 petroleum 36 StatoilHydro 36 Petroleum 36 ExxonMobil 36 UOP 36 bbls 36 Citgo 36 Petroecuador 35 Suncor 35 hydrocarbon 35 natural gas 35 Esso 35 driller 35 petro 35 BG 35 Exxon Mobil 35 oil sands 35 Gel 35 condensate 35 Petrobras 35 OMV 35 Nexen 34 BPD 34 Terra 34 Powder 34 Schlumberger 34 CVX 34 Quicksilver 34 Refinery 34 ADNOC 34 Sinopec 34 Enviro 34 Tesoro 34 PXP 34 Methanex 33 petrochemical 33 coalbed methane 33 Newfield 33 oilfield 33 Encana 33 Oil Refinery 33 oilfields 33 b d 33 Conoco Phillips 33 Petro 33 Gasco 33 Apache 33 Saudi Aramco 33 Carrizo 33 Grizzly 33 Refining 32 Cairn 32 Matador 32 Valero 32 Motiva 32 Talisman Energy 32 Sunoco 32 Suncor Energy 32 Chaco 32 Oil 32 XTO 32 TAQA 32 Whittier 31 Sonatrach 31 Joslyn 31 Bullfrog 31 Galp 31 Sempra 31 Grey Wolf