About: drill collar

Premodifier: drill
Head noun: collar

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

Broader concepts

label	provenance	confidence
many other drilling component	isap:424149465	0.802484
drill string	isap:385935084	0.763022
tool body	isap:495856567	0.661585
rental tool	isap:494089791	0.654745
downhole component	isap:424149463	0.595416
drilling	isap:99960125	0.588105
drilling tool	isap:494089793	0.582032
member	isap:392062121	0.393591
device	isap:389619850	0.355378
tubular	isap:448073473	0.285881
drill	isap:118628014	0.187109

Narrower concepts

label	provenance	confidence
pipe	isap:300517934	0.078071