System and methods for completing a subterranean well include a casing string, the casing string being an elongated tubular member formed of successive casing joints and having a central axis. A plurality of ribs are secured to the casing string, the ribs being elongated members spaced circumferentially around an outer diameter of the casing string. The ribs extend axially from a downhole end of a casing joint to an uphole end of the casing joint.