Annular Space (Annulus) definition
Annular Space (Annulus) means the space between a borehole and well casing or between concentric well casings.
Annular Space (Annulus) means the space between two cylindrical objects, one of which surrounds the other, such as the space between a drill hole and a casing pipe or between two well casings a borehole and well casing or between concentric well casings.
Annular Space (Annulus) means the space between a casing and a riser or between the riser and the borehole.