PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In one embodiment, a minor amount of the formation is removed as by washing with water or other suitable fluids including solvents or by underreaming to create a small cavity in the immediate vicinity of the well bore penetrating the unconsolidated sand containing subterranean formation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca