Related by context. Frequent words. (Click for all words.) 58 shale formations 56 shale deposits 53 underground caverns 53 deposits 52 Marcellus shale formation 52 shale 51 saline aquifers 50 hydrocarbon reservoirs 50 kerogen 49 methane hydrates 49 shale gas 49 methane hydrate 49 Horizontal drilling 48 gas hydrates 48 Tar sands 48 Bakken shale formation 47 Orinoco basin 47 Athabasca oilsands 47 mineral ores 47 unconventional reservoirs 47 See Futures Movers 47 Niobrara Shale 46 Marcellus Shale formation 46 tubeworms 46 Arctic permafrost 46 Bakken shale 46 Pascua Lama gold 46 deplete oxygen 46 unconventional shale 46 Coalbed methane 46 lucrative Marcellus Shale 46 Lake Vostok 45 coal seams 45 hydrocarbon reserves 45 sedimentary rock 45 Barnett Shale formation 45 underground cavern 45 receive Investor Kits 45 underground salt caverns 45 deposit 45 salt domes 45 frac fluids 45 oil 44 drillers 44 Marcellus shale 44 Money Knob 44 salt caverns 44 hydrocarbon molecules 44 hydrocarbon 44 permanently shadowed craters 44 rock formations 44 horizontal drilling 44 largest unexploited copper 44 Caspian Sea basin 44 shales 44 commercially exploitable 44 South Yolotan 44 copper sulphide 44 unobtainium 44 alluvial diamonds 44 Paradox Basin 44 sequester carbon dioxide 44 Veladero 44 nationalize Bolivia 43 stone sarcophagus 43 Yamal peninsula 43 Georgina Basin 43 Cutbank Ridge 43 magma chamber 43 gushers 43 hydrocarbons 43 Permian basin 43 Orinoco belt 43 Coal seam 43 Venezuela Orinoco 43 mineral riches 43 La Colosa 43 potent greenhouse gas 43 hydrothermal fluids 43 northern Alberta oilsands 43 Vast amounts 43 Las Cristinas gold 42 technically recoverable oil 42 tar sands 42 Bakken formation 42 Barnett shale 42 Greenland glacier 42 Hydraulic fracturing 42 biomass hydro 42 Lagunas Norte 42 Alberta tar sands 42 natural gas 42 sulphide nickel 42 methane crystals 42 Woodford shale 42 vaults 42 gallons/#.# [002] 42 Bakken Formation 42 oil sands 42 serving Croat Ivo 42 sulfide minerals