Process Shutdown : The isolation of a given process station from the process by closing appropriate SDVs to shut-in flow to the process station or divert flow to another process station. (RP 14C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}