Related by context. Frequent words. (Click for all words.) 55 hydrocarbons 54 hydrogen sulphide 52 sulfur 50 gas 49 hydrocarbon 47 natural gas 46 gasfields 45 oil 45 reinjection 45 additive MTBE 45 CO -2 45 Hydrogen sulfide 45 petroleum 45 H2S 44 bitumen 44 Coal seam 44 gasfield 44 cubic feet bcf 43 condensates 43 hydrocarbon reserves 43 gas hydrates 43 wells 42 methane 42 condensate 42 methyl alcohol 42 shale gas 42 KG Basin 42 coal seams 42 hydrogen sulfide 41 sulfur oxide 41 highly inflammable 41 ethane 41 Marcellus wells 41 oil sands 41 gas condensate 41 kerogen 41 feedstock 41 fracking fluids 41 coalbed methane 41 desorption 41 acetylene 40 reservoir sands 40 hexane 40 chlorides 40 petroleum distillates 40 frac sand 40 methane hydrates 40 calorific value 40 chemicals 40 Anhydrous ammonia 40 ethylene 40 propane butane 40 colorless liquid 40 shales 39 geological formations 39 methane hydrate 39 oxalic acid 39 oilfields 39 benzene 39 carbon dioxide CO2 39 tcf 39 pipelines 39 API gravity 39 bed methane 39 unsaturated fatty acids 39 Liquefied natural 38 dissolved solids 38 Alberta tar sands 38 methanol 38 shale deposits 38 bed methane CBM 38 unconventional shale 38 nitrogen 38 butane 38 shale formations 38 liquid hydrocarbons 38 Shaikan 38 shale 38 oilsands 38 petrochemical industries 38 quicklime 38 Methanol 38 KG basin 38 petrochemicals 38 gases 37 gasolines 37 MMCFD 37 coal seam methane 37 Barnett shale 37 impurities 37 tar sands 37 oilfield 37 chlorine 37 Bakken formation 37 biogenic 37 carbon dioxide 37 Hungary MOL 37 sulfur compounds 37 synfuels 37 Krishna Godavari Basin 37 EOR