PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a preferred embodiment, this scaling occurs on well bores and other surfaces relating to the recovery of hydrocarbons from wells. [0043] The method for removing the scaling deposits on a surface is accomplished by contacting the surface containing the scaling deposits with the above-described composition which contains at least one alkali metal tungstate and optionally at least one chelating ag
http://www.w3.org/ns/prov#wasQuotedFrom
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