SimilarityRank
Marcellus 0.879 34448
shale 0.870 17984
Bakken 0.863 53247
Permian 0.807 68603
shales 0.774 97010
Anadarko 0.759 97984
Drilling 0.756 33103
oilsands 0.738 96475
drilling 0.730 8037
Utica 0.728 47346
fracking 0.721 21463
Coal 0.716 17487
Fracking 0.707 62210
fracturing 0.706 29911
Williston 0.702 70809
drillers 0.700 78745
Basin 0.698 13536
CSG 0.696 64462
Methane 0.689 69623
Fuels 0.678 48822
Uranium 0.676 45052
Pipelines 0.671 91389
Aquifer 0.667 88850
Enbridge 0.666 59217
Groundwater 0.662 66053