Rio Tinto – Kennecott
Underground Dewatering
(2014-2017)
Drilling 120mm dia. drainage holes from -45 to +90 degrees
Drilling 172mm dia. water wells
Depth of holes 150-300m
Install 7-15m of SS flanged casing, utilize BOP systems and install perforated PVC after completion
Meters Drilled:
200,000m
Achievements:
Successfully implemented surface mud rotary systems for the challenging rock formations. Completed scope two months ahead of schedule and under budget.
