The mining drilling teams of ONHYM are specialized in the following services:

  • Cored Surveys of different diameters and depths ranging from 46 mm to 146 mm and a depth that can reach 1,500 m. 
  • Destructive surveys by percussion (bottom hole hammer) with a diameter of 4 to 6 thumbs to depths of 300 m (according to the field) in normal circulation, and 4 to 6 thumbs in reverse circulation.
  • Non-destructive Surveys by pulling a three-cone bit with a diameter of 3 to 8 thumbs to a depth of 400 m (according to the field)

Drilling activity has a clear and incident-free recovery record over the last few years

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Available equipment

Designations

Quantity

Brand

Type

Work Mode

Drilling Capacity in carottage

Hydraulic Drill

WD 3500

1

SALGITTER

hydraulic

Corind+Rotarv

1500 m en diam 76 mn

BE2NGCR30

1

B.ESPERANCE

hydraulic

Corind+Rotarv

1000 m en diam 60 mn

KMB.8

1

VERSADRILL

hydraulic

Coring

300 m en diam 60 mn

BE20P

2

B.ESPERANCE

hydraulic

Coring

100 m en diam 56 mn

Mechanic Drill

L44

3

B.LONGYEAR

Mechanic

Coring

1000 m en diam 60mn

L38

3

B.LONGYEAR

Mechanic

Coring

500 m en diam 60 mn