SimilarityRank
shales 0.870 97010
Shale 0.870 29866
oilsands 0.802 96475
coal 0.795 5233
Bakken 0.787 53247
hydrocarbon 0.779 36213
drilling 0.778 8037
fracking 0.776 21463
fracturing 0.766 29911
Marcellus 0.757 34448
drillers 0.747 78745
potash 0.746 52060
oilfields 0.745 98378
petroleum 0.737 13215
uranium 0.736 14132
sedimentary 0.733 47805
ethane 0.733 97441
mining 0.733 4846
methane 0.729 19799
Permian 0.721 68603
hydrocarbons 0.720 32458
sands 0.715 15555
aquifers 0.715 48296
bauxite 0.708 69989
tailings 0.706 49890