About: crude oil production

Premodifier: crude oil
Head noun: production

Same concepts
http://dbpedia.org/resource/Peak_oil

Broader concepts

label	provenance	confidence
product	isap:217102828	0.640778

Narrower concepts

label	provenance	confidence
tight oil play	isap:191386297	0.415596
california	isap:399070157	0.212316