About: http://webisa.webdatacommons.org/195332334

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 separated tubular is then totally separated from the drill string by the closure of a blind ram or other preventer or other closing device such as a gate valve.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es