PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Starting at 18,839 feet (5,742 meters) of drilling a significant column was detected containing, at least, 1,545 feet (471 meters) of excellent quality oil - 31 degree API and free of contaminants such as CO2 and H2S ??? with 1,319 feet (402 meters) in carbonate reservoirs of excellent porosity and permeability.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rigzone.com