Annsca uses reverse circulation drilling (RCD)

  • Many advantages and benefits of the RC:
  • Reduce man-hours (decreasing the accident possibilities
  • Less complicated and faster than diamond drilling and in most cases, 20-40% more cost effective
  • Less contractor activity because of the simplification of the sampling process there is an indirect cost  -reductions
  • Big saving of water, compared at the diamond drilling
  • Faster penetration rates
  • Latest RC drilling technologies has reach depths up to 800m