<http://webisa.webdatacommons.org/376339934>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/351502363>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/376339934> .
<http://webisa.webdatacommons.org/376339934>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/376339934>	<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://webisa.webdatacommons.org/prov/137300572>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/376339934> .