PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Technical advances in horizontal drilling and new well completion techniques have greatly enhanced the ability of oil and gas companies to produce oil, natural gas liquids and natural gas from unconventional resource plays such as the shales and other tight reservoir plays across the U.S. As a result, domestic shale resources have become a significant contributor to recent increases in oil and nat
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov