PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention generally relates to apparatus for filtering and screening particulate matter in downhole wells, and, more particularly, to an improved method of manufacturing a prepacked well liner for filtering unconsolidated material out of inflowing well fluid such as water, oil or gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es