About: http://webisa.webdatacommons.org/61531844

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	While embodiments of the present invention may be particularly advantageous to directional drilling with casing, some embodiments may also be used to advantage in non-directional DWC systems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es