Reverse Circulate 2 : The method by which the normal flow of a drilling fluid is reversed by circulating down from the annulus and up and out the drill string. (Bul 10C, Bul D11)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}