Related by context. Frequent words. (Click for all words.) 67 hydrocarbons 61 hydrocarbon 54 methane hydrates 54 biogenic 52 coal 52 gaseous fuels 52 methane hydrate 52 gas hydrates 52 CO2 sequestration 52 petro chemicals 51 minerals 51 flyash 51 petroleum 51 hydrocarbon molecules 50 gasfields 50 sedimentary basins 50 gasified 49 Coal seam 49 isoprene 49 desulphurisation 49 dioxide 49 CO -2 49 naptha 48 liquid hydrocarbons 48 gas 48 fossil fuels 48 regasification terminals 48 sorbents 48 syngas 48 bauxite ore 48 sulphates 48 fossil fuel 48 natural gas 47 petrochemical feedstock 47 Hydrocarbons 47 REEs 47 sulfur 47 Songo Songo 47 deplete oxygen 47 coal seams 47 oil 47 Hydrocarbon 47 sub bituminous coal 47 zeolites 47 sludges 47 extractable 47 absorbents 47 volatiles 47 methane 47 degassing 47 phosphine 47 carbons 47 desorption 47 frac fluid 47 hydrocarbon fuels 47 flue gases 47 kerogen 46 ethyl acetate 46 shale 46 gases 46 osmium 46 greenhouse gases GHGs 46 Krishna Godavari KG basin 46 evaporation ponds 46 coal seam methane 46 LNG liquefied natural 46 emit CO2 46 shale gas 46 shales 46 bitumen 46 organic compounds 46 frac sand 46 adsorbent 46 hydrogen 46 CO2 46 KG Basin 46 toxic wastes 46 superheated steam 46 reactants 46 Erha 45 hydrological cycle 45 carbonates 45 CH4 45 feedstock 45 bauxite deposits 45 mmscf d 45 SF6 45 rice husk 45 condensate 45 cleaner fuels 45 propane butane 45 carbon dioxide sequestration 45 OML# 45 coalbed methane 45 petrochemicals 45 manganese 45 productivities 45 ferro alloy 45 condensates 45 styrene monomer 45 polycyclic aromatic hydrocarbons PAHs