About: http://webisa.webdatacommons.org/235150479

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It may also contain heavy drilling fluid, valves or other barriers to keep the well closed.
http://www.w3.org/ns/prov#wasQuotedFrom	huffingtonpost.com