About: http://webisa.webdatacommons.org/376339934

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	SUMMARY OF THE INVENTION [0011] The present invention is a method and apparatus for producing multiple fractures in a vertical or horizontal well.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com