About: http://webisa.webdatacommons.org/23298412

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 mast or derrick is raised over the substructure and the other equipment such as engines, pumps, and rotating and hoisting equipment are aligned and connected.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu