About: http://webisa.webdatacommons.org/426292566

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	The coating 68 assists in cleaning drilling fluid, filter cake or other debris from the interior walls of the casing 14 as the cementing plugs 54 and 52 are pumped down the casing 14.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com