About: http://webisa.webdatacommons.org/370040738

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	It is to be understood that the well W may contain a column of mud, fluid or other liquid employed in the drilling operations and that this column may be of substantial height.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com