PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are a variety of operating risks inherent in oil, NGL and natural gas production and associated activities, such as fires, leaks, explosions, mechanical problems, major equipment failures, blowouts, uncontrollable flow of oil, NGLs, natural gas, water or drilling fluids, casing collapses, abnormally pressurized formations and natural disasters.
http://www.w3.org/ns/prov#wasQuotedFrom
  • getfilings.com