PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The growing number of H2S-prone reservoirs also has spawned new steel grades over the past 10 years. ???With demand for domestic oil and gas increasing in several regions, especially in the Middle East and Asia, we are seeing a lot of exploration in fields with a high content of sour gas combined with HPHT conditions,??? Mr Flores noted.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drillingcontractor.org