About: http://webisa.webdatacommons.org/410509686

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	After a well bore penetrating a subterranean hydrocarbon producing formation has been drilled, the well bore is often completed by sealing a string of pipe such as casing or a liner in the well bore.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com