Residence Time 2 : A reference to the amount of time that a given volume of fluid spends in a location. Related to fluid holdup and separation. Used in both surface separators and mud removal times
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}