Combustibles 5 Combustibles fs̤iles 5 Fossil fuels 5 Fuels 5 energa̕ 5 energy fuentes de energa̕ 5 больше ... reservorios 5 energy sources 4 gas natural 4 natural gas 4 oil 4 petrl̤eo 4 petroleum 4 reservoirs 4 wellheads 3 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 petrochemical industry 2 pozos 2 refinacin̤ 2 Biocombustibles 1 Energy sources 1 Fuentes de energa̕ 1 Industria del petrl̤eo 1 меньше ...