Thanks to its human capital, ONHYM carries out different types of mining drilling in accordance with standards and in compliance with the rules of health, safety and the environment (HSE) while being fully in line with our CSR policy.

  • Core bores with different diameters and depths ranging from 46 mm to 146 mm in diameter and up to 1500 m in depth

  • Percussive destructive drilling 4'' to 8'' to 300 m deep in normal circulation, and 4'' to 6'' in reverse circulation

  • Rotary drilling in diameter 3'' to 8'' up to 400 m deep

  • Deviation measurements along the borehole


  • Drill rigs of different ranges.
  • Material and logistical resources to operate in remote areas.