PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Brigham, based in Austin, Texas, has a strong position in the Bakken and Three Forks tight oil plays in the Williston Basin in North Dakota and Montana. ???Tight oil??? is a term used for oil produced from reservoirs with relatively low porosity and permeability; tight oil reservoirs can consist of shale or other tight rocks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greencarcongress.com