PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BHA design parameters include, for example, the bent angle and orientation of the motor, the length, equivalent inside diameter (ID), outside diameter (OD), weight (or density), and other material properties of each of the various components of the BHA. In the example shown, the drill collars, stabilizers, and other downhole components are defined by their lengths, equivalent IDs, ODs, material pr
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com