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low-pressure, low-temperature filtration test

1. n. [Drilling Fluids]

A test to measure static filtration behavior of water mud at ambient (room) temperature and 100-psi differential pressure, usually performed according to specifications set by API, using a static filter press. The filter medium is filter paper with 7.1 sq. in. filtering area. A half-size cell is sometimes used, in which case the filtrate volume is doubled.

Synonyms: API fluid-loss teststatic filter press

Antonyms: high-pressure, high-temperature filtration test

See: filtercakefilter mediumfilter pressfilter-cake qualityfilter-cake thicknessfiltratefiltrate tracerfiltrate volumefiltrationfluid-loss controlfluid-loss-control materialrelative filtrate volumespurt lossstatic filtration

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