About: http://webisa.webdatacommons.org/109380952

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	In the completion of a well, it is customary to cement either a casing or other pipe to the `wall of the well bore.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es