Hard Formation Cutter
Most widely used cutter type that optimises the cutting action for the opening of under gauge hole and/or the removal of stringers and ledges, which may be created by directional change in the borehole.
Available from 5 7/8" to 28" hole size.
Reaming Stabiliser Cutter
These roller units offer a greater length of full gauge hole wall contact in comparison to the other cutter types when, primarily, stabilisation is required. They effectively act like a low torque stabiliser. Under gauge rollers to simulate fixed blade stabiliser dimensions are available.
Available in 8 3/8" to 28" hole size.
Bi Directional Cutter
The Bi-Directional cutters will ream both while drilling and when tripping out of hole where top drive is available.
Available from 8 3/8" to 28" hole size.
Back Ream Cutter
The Back Reaming cutters, where top drive is available, ream and reduce torque while tripping out of hole where stringers and formation squeeze may slow trip time.
Available from 8 ½" to 28" hole size.