About: http://webisa.webdatacommons.org/158790364

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	This specification discloses various types of tools and methods to install the tools to pack-off or seal the casing-by-casing annulus such that a positive pressure can be applied to the casing annulus.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com