دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a European term for the depth of liquid in a storage tank. 2. formation dip. See formation dip. iMage. ullage.

n: the angle at which the bed of formation slopes away from the horizon

the angle that the structural surface or bedding plane or fault surface makes with the horizontal. Measured perpendicular to the strike and in the vertical plane.