Zero-Zero Gel : A condition wherein the drilling fluid fails to form measurable gels during a quiescent time interval (usually 10 min.). (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}