Fluid Level : The distance from the surface to the top of the liquid in the tubing or casing in a well. The static fluid level is taken when the well is not producing and after it has STABILIZED. (ITOGP)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}