Boart Longyear

Infrastructure / Overburden Cased Drilling

Single Head / Hydraulic drifters

Single Head Drilling Systems

Rotary Head

Single Tube System

GROUND CONDITIONS

The Down-The-Hole (DTH) hammer is a potential solution for medium-hard up to harder ground conditions

In medium-hard formation, the inner drill string can be arranged with a Tri-Cone or Standard rotary bit

SYSTEM FEATURES

  • Single rotary drilling is used in stable medium-hard ground conditions.

Duplex Drilling

GROUND CONDITIONS

Down-The-Hole (DTH) hammer is a potential solution in medium-hard to hard ground conditions.

SYSTEM FEATURES

  • Duplex Drilling provides a controlled flushing method preventing media contact with the bore hole wall.

  • Ability to stop driving the casing while continuing to drill to depth with the inner string.