flushed-zone resistivity

flushed-zone resistivity

[¦fləsht ¦zōn rē‚zis′tiv·əd·ē]
(petroleum engineering)
Electrical resistivity of the reservoir area which surrounds a borehole to a distance of at least 3 inches (7.6 centimeters) and for which the original interstitial fluids have been flushed out by drilling-mud filtrate.