Ensure piles are drilled with minimal deviation to meet specifications.
Dual Rotary drilling is versatile, efficient and cost-effective. This process features a lower rotary drive that advances the outer casing through the loose overburden keeping the rock in place while an independent interior drill progresses behind.
Dual Rotary methodology is ideal to ensure piles are drilled with minimal deviation to meet project specifications.
- No need to trip out or change tools when transitioning to open-hole drilling
- An independent rotary top drive handles a drill string equipped with a down-the-hole hammer, drag bit, or roller cone bit
- Can be configured with pumps for mud or flooded reverse circulation drilling.