PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • in oil and natural gas production and associated activities, such as fires, leaks, explosions, mechanical problems, major equipment failures, blowouts, uncontrollable flow of oil and natural gas, water or drilling fluids, casing collapses,
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov