About: http://webisa.webdatacommons.org/327973134

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	Accordingly, there is a need for an anti-extrusion device for a swell packer that may reliably fill the annular region and prevent or limit extrusion under relatively high differrential pressures.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com