دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pi: (slang) chemical used to treat an oilfield emulsion when it is being tested to determine the amount of treating chemical required to break the emulsion.

n: a special chemical demulsifier that is often added to emulsion samples to determine the total amount of sediment and water in the samples. Also called knockout drops.