Related by context. Frequent words. (Click for all words.) 42 Petroleum 39 Pioneer Natural Resources 38 Natural Gas 37 Minerals 35 Energy 35 Exploration 35 Gas 35 Petrochemicals 32 Geophysical 32 Refining 32 Gas Pipeline 32 Biofuels 32 Pipeline 32 hydrocarbon 31 Oilfield 30 Range Resources 30 gas condensate 30 Offshore 30 gas 30 refiner 29 Addax Petroleum 29 natural gas 29 Pipelines 28 oilfield 28 Oil 28 CNOOC Ltd. 28 Petrochemical 27 Aviation 27 petroleum 27 Lukoil 27 CNPC 26 Mineral Resources 26 Anadarko Petroleum 26 Petro 25 InterOil 25 Sinopec 25 Drilling 25 Renewable Energy 25 Oil Sands 25 Marathon Oil 25 Repsol YPF 24 Petrol 24 ConocoPhillips 24 ExxonMobil 24 Mining 24 hydrocarbons 24 Mineral 23 coalbed methane 23 Wind Energy 23 Beverage 23 LPG 23 Shell 23 oil 23 Refineries 23 Amoco 22 onshore 22 Refinery 22 Occidental Petroleum 22 Eni 22 Pharmaceutical 21 Telecommunications 21 refinery 21 Offshore Oil 21 shale gas 21 KNOC 21 Oils 21 Statoil 21 pipelines 21 refineries 21 crude oil 21 Conoco 21 Convenience Stores 20 Tullow Oil 20 Saudi Aramco 20 PetroChina 20 Chemical 20 Royal Dutch Shell 20 Fertilizer 19 Electric Power 19 Cement 19 Exxon Mobil 19 Electricity 18 BG Group 18 Esso 18 Petro Canada 17 CNOOC 17 ChevronTexaco 17 barrels 17 deepwater 17 oilfields 17 Shell Oil 17 NNPC 16 Chevron 16 LNG 15 Exxon 15 Unocal 14 BP 14 Coal 13 Cnooc 12 Fertiliser 8 crude