SimilarityRank
drilling 0.824 8037
fracking 0.750 21463
shale 0.747 17984
refiners 0.728 67379
fracturing 0.720 29911
oilfield 0.716 56572
mining 0.710 4846
oilsands 0.709 96475
rigs 0.709 20578
Drilling 0.703 33103
coal 0.703 5233
Shale 0.700 29866
geologists 0.699 43890
Bakken 0.695 53247
oilfields 0.694 98378
refineries 0.692 30816
mines 0.691 10663
pipelines 0.688 21092
smelters 0.675 94259
drill 0.674 7228
contractors 0.674 5882
welders 0.669 55646
hydraulic 0.666 13689
Marcellus 0.664 34448
wells 0.663 9680