Drilling services
Thijssen Drilling Company
Geological investigation and Soil mechanics:
Onshore and offshore drilling for civel engineering contracts:
- Percussion drilling.
- Manual 60mm – 150mm.
- Mechanical 178mm – 419mm.
- Large diameter boreholes (maz diameter 1m.)
- to a depth up to 500m.
- Core drilling to a depth up to 500m.
Soil testing:
- Continues sampling.
- Undisturbed sampling in various diameters.
- Vane shear test.
- SPT test.
- Cone test.
- Pressiometer test.
- Permeability test.
- Cone penetration test (mechanical or electrical).