Oil and Water Separation Facility : A gun barrel, settling tank, water knockout, or emulsion treater, installed by the lease owner to separate produced oil and water. (SSWID)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}