Oilfield Glossary
Oilfield Glossary
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poise

1. n. [Drilling Fluids]
A unit of measurement for viscosity, symbolized by P. Viscosity is the ratio of shear stress to shear rate, giving the traditional unit of dyne-sec/cm2 for poise. In metric (SI) units, 1 P is 0.1 Pa.s (pascal-second).