About: http://webisa.webdatacommons.org/5221526

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	Completion devices may include casing, tubing, packers, valves, pumps, sand control equipment, and other equipment to control the production of hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com