Spurt Loss 1
Spurt Loss 1 :
(n.) Drilling Fluids. The instantaneous volume (spurt) of liquid that passes through a filter medium prior to deposition of a competent and controlling filter cake. In static filtration, the spurt volume can be a disproportionately large percentage of the total 30-minute filtrate in an API-type test. This indicates that filter cake is slow in being deposited compared to a similar mud with lower spurt loss. To avoid uncertainties of spurt-loss volume, relative filtrate volume is used in static tests. See: Filtrate, Filtrate Volume, Fluid-Loss Control, Low-Pressure, Low-Temperature Filtration Test, Relative Filtrate Volume, Static Filtration
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