About: natural gas shale

Premodifier: natural gas
Head noun: shale

Same concepts

Broader concepts

label	provenance	confidence
unconventional resource	isap:293806528	0.619988

Narrower concepts

label	provenance	confidence
barnett shale	isap:375995861	0.814402
eagle ford	isap:90152396	0.752581
marcellus	isap:12727402	0.457307