About: http://webisa.webdatacommons.org/218823015

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	There are well construction methods, such as the use of a ???frac string,??? that reduce the pressures placed on the intermediate casing and surface casing strings during hydraulic fracturing operations.
http://www.w3.org/ns/prov#wasQuotedFrom	federalregister.gov