reservorios Combustibles 6 Combustibles fs̤iles 6 Fossil fuels 6 Fuels 6 petrl̤eo 6 petroleum 6 more ... reservoirs 6 energa̕ 5 energy 5 fuentes de energa̕ 5 gas natural 5 natural gas 5 oil 5 energy sources 4 wellheads 4 refinacin̤ 3 Industria del petrl̤eo 2 Industria petroqum̕ica 2 Petrochemical industry 2 Petroleum industry 2 gas hydrates 2 hidratos de gas 2 industria del petrl̤eo 2 industria petroqum̕ica 2 monetizacin̤ de gas natural 2 natural gas monetization 2 oil industry 2 operaciones 2 operations 2 less ...