About: http://webisa.webdatacommons.org/41372641

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	primary cementing operations whereby strings of pipe such as casing and liners are cemented in well bores.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com