PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In yet another aspect, the present invention is a method of fracturing a subterranean formation which comprises injecting into the formation, at a pressure sufficient to fracture the formation, a water-in-oil emulsion comprising a surfactant of Formula I or II and a proppant.
http://www.w3.org/ns/prov#wasQuotedFrom
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