About: http://webisa.webdatacommons.org/50299378

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	Examples of perforating devices suitable for use in this method include wireline-conveyed perforating guns, perforating guns activated by drop bars, pressure activated perforating guns, and other such devices.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com