About: http://webisa.webdatacommons.org/395429374

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	These perforations allow oil or other fluids to flow out of the rock formation into the inside of the casing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com