PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Smith Bits and Smith Services also assisted with initial design and supplied tools and equipment needed for implementation, such as a rotating control device, casing centralizers, integral-blade stabilizers, drillpipe with TSDS high-torque connections, and drill bits.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slb.com