About: http://webisa.webdatacommons.org/395606939

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The Drill String ??? A drill string consists of the drill pipe, the bottomhole assembly and any other tools used to provide the torque that rotates the drill bit at the bottom of the wellbore.
http://www.w3.org/ns/prov#wasQuotedFrom	krilloil.com