<http://webisa.webdatacommons.org/223231192>	<http://www.w3.org/ns/prov#value>	"A well cement composition containing hydraulic cement and formulated for use as a plug at a predetermined position in a well bore passing through a rock formation, the cured cement composition having a rate of penetration (ROP) that is approximately equal to the ROP of the surrounding formation, the composition including the following additives:" .
<http://webisa.webdatacommons.org/223231192>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/83050052>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/223231192> .
<http://webisa.webdatacommons.org/223231192>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .