About: http://webisa.webdatacommons.org/69347527

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	For example, the cement sheath formed in the annulus as a result of primary cementing may contain permeable areas such as fractures, fissures, high permeability streaks, and/or annular voids through which water can flow.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com