دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the plane (typically a zone several feet thick) at which the bot- tom of an oil sand contacts the top of a water sand in a reservoir, i.e., the oil-water interface.

local boundary between the oil and the bottom water. OW Contact may vary in the field depending on individual drawdowns and local variations in vertical permeability.