About: http://webisa.webdatacommons.org/98656945

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 invention relates especially to an apparatus and method for performing side-tracking of a wellbore through a casing. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com