Model 08 : A make of SSSV with unique internal operating parts and operating characteristics which differentiate it from other SSSVs of the same type. It may have any of a variety of end thread connections. (Spec 14)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}