About: http://webisa.webdatacommons.org/180564603

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	The injection gas could also be a non-hydrocarbon gas, such as carbon dioxide or nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com