PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A method of completing a lateral channel from an existing oil or gas well having a well casing is provided, including the steps of: providing a well perforating tool having a substantially cylindrical body defining a circumferential wall of the perforating tool, the perforating tool having a longitudinal axis and including an axial blind bore open to a proximal end of the perforating tool and defi
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com