About: http://webisa.webdatacommons.org/4944833

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	A casing is a pipe inserted into a drilled section of a borehole to ensure stability and support the sides of the well from caving in.
http://www.w3.org/ns/prov#wasQuotedFrom	marketresearchreports.biz