دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in cases where a wave of energy encounters a surface, the ratio of the energy reflected from a surface to the energy that faUs on the surface. For example, iflight strikes a surface that has high reflectance, most of the light reflects from it;conversely, if the surface has low reflectance, very little of the light reflects from it.

borehole televiewer, a sonic tool that creates a sound reflectance picture of the wellbore.

a measure of shale maturity based on whether it has generated hydrocarbons. The value is in units of reflectance, in % Ro with values of 0 to >3.