Separator 6 : An unfired pressure vessel used to separate gas and liquids by differential gravity settling and/or centrifugal action. Separators are commonly cylindrical, either vertical, horizontal or spherical in shape. (RP 2G)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}