About: http://webisa.webdatacommons.org/414618914

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	A reaction force may be applied by the formation 105 to the distal end of the jack element 200 and an opposing force, such as a WOB and the spring force, may be applied to the jack element from the drill string 100.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es