PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is a method and apparatus for treating the bore of a hydrocarbon producing well, and more specifically a method and apparatus for cleaning a wellbore and stimulating hydrocarbon production from surrounding formations by removing particles therefrom by subjecting the particles to vibratory waves produced by two or more vibratory wave generators.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com