SimilarityRank
shale_gas 0.769 37644
sandstone 0.717 32305
hydraulic_fracture 0.702 33483
limestone 0.691 21613
fracking 0.681 11122
natural_gas 0.678 5419
coal 0.669 3568
outcrop 0.662 75989
drilling 0.634 10785
hydrocarbon 0.634 21173
rock_formation 0.634 62960
tar_sand 0.620 46054
oil_sand 0.615 85986
bitumen 0.611 67151
basalt 0.608 63672
crude_oil 0.603 20562
gypsum 0.601 75215
Fracking 0.600 45351
fossil 0.592 11711
subsoil 0.591 89615
aquifer 0.589 20084
driller 0.589 83065
geological 0.584 28476
carbonate 0.582 53559
stratigraphy 0.581 98142