PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Still another technical advantage of particular embodiments of the present invention is a method and system for circulating drilling fluid in a well system that includes pumping a fluid mixture up a substantially vertical well bore through a pump string.
http://www.w3.org/ns/prov#wasQuotedFrom
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