<http://webisa.webdatacommons.org/197001228>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/prov/330660731>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/197001228> .
<http://webisa.webdatacommons.org/197001228>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/197001228>	<http://www.w3.org/ns/prov#value>	"Tertiary recovery (or EOR, for ???enhanced oil recovery???) is used to modify the properties of the liquids: thermal methods (by using steam), chemical, or injection of oil-soluble gases such as CO2." .