<http://webisa.webdatacommons.org/prov/353687843>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/417959029> .
<http://webisa.webdatacommons.org/417959029>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/417959029>	<http://www.w3.org/ns/prov#value>	"After the well has been produced for a period of time, determined by the character, volume and other parameters of the subsurface oil bearing formation, the natural gas pressure or drive will diminish to the point that efficient hydrocarbon production will cease." .
<http://webisa.webdatacommons.org/prov/425541542>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/417959029> .
<http://webisa.webdatacommons.org/417959029>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .