SimilarityRank
Shale 0.879 29866
Bakken 0.814 53247
Utica 0.806 47346
shale 0.757 17984
Permian 0.738 68603
Williston 0.726 70809
fracking 0.709 21463
Anadarko 0.701 97984
oilsands 0.688 96475
fracturing 0.680 29911
Seneca 0.667 31137
drilling 0.664 8037
drillers 0.664 78745
Enbridge 0.660 59217
Aquifer 0.655 88850
Weatherford 0.654 67233
Brownfield 0.653 93506
shales 0.651 97010
Barnett 0.645 27306
Basin 0.644 13536
Fracking 0.642 62210
Wyoming's 0.629 71864
Athabasca 0.625 64300
Carthage 0.625 36380
BP's 0.625 51410