Rotary
Rotary drilling relies on the continuous rotation of a drill bit to bore down through earth and rock. As cuttings are created, they are circulated out of the borehole with either air or drilling fluids.
Boart Longyear™ has a large fleet of rotary rigs around the world. With a vast variety of size, depth and diameter we are able to utilize mud, air, reverse circulation and flooded reverse methods. We also have dual rotary rigs for boreholes that need to be cased while drilling.