filter loss | Energy Glossary

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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 filtrationfiltercakefilter mediumfilter-cake thicknessfluid-loss controlfluid-loss-control materialhigh-pressure, high-temperature filtration testlow-pressure, low-temperature filtration testrelative filtrate volumespurt lossstatic filtration