Motorized Reaming Shoe

A rotating shoe with carbide cutters and a drive.

Advantages

tip reinforced/dressed with PDC cutters;
equipped with a relief valve;
radial and axial rotation bearings;
prevents the shoe from cutting into the wellbore walls.

Specifications

compressive load during reaming: up to 30 t
torque: up to 650 N·m
temperature: up to 100 °C
size range: 102/146; 114/168
service life under circulation: 150 h

Application area and experience

The shoe is designed for reaming unstable wellbore sections and sections with swelling and sloughing clays, and ensures unobstructed running of the casing string to the final bottomhole.