About: http://webisa.webdatacommons.org/122302143

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	An inert atmosphere is established in the well by circulating an inert gas such as nitrogen or carbon dioxide into the well bore to fill the well from total depth to the surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com