Filter Loss 1
Filter Loss 1 : (n). Drilling Fluids. The volume of mud filtrate measured after 30 minutes in API static filtration tests. The volume and cake thickness are the two data points in the test. See: dynamic filtration, filter cake, filter medium, filter-cake thickness, fluid-loss control, fluid-loss-control material, high-pressure, high-temperature filtration test, low-pressure, low-temperature filtration test, relative filtrate volume, spurt loss, static filtration