Flipped : When the opposite occurs of what is intended in a drilling fluid. In an invert waterin- oil emulsion, the emulsion is said to be flipped when the continuous and dispersed phases reverse. (Bul D11)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}