PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The oil external phase and amine derivative emulsifiers combine to provide maximum drill pipe and casing protection from such corrosives as oxygen, hydrogen sulfide, chloride salts, carbon dioxide, and organic acids.
http://www.w3.org/ns/prov#wasQuotedFrom
  • geodf.com