Tests and applications which are too extensive for a laboratory can beconducted in a large test hall – called the Geotechnikum – which is part of the International Geothermal Centre. In particular, all product developments in the field of drilling technology can be tested and investigated here – also in combination with GZB’s own drilling rig. Directly adjacent to this is a large drill site approx. 5,000 m² in size, which allows various drill tests and drilling to be carried out – also in conjunction with the approved future energies mining area.

In addition, a seismic observatory has also been established. This means it is now possible to take comprehensive zero measurements of seismic activities in the immediate vicinity of the centre in order to measure and interpret the impact of underground R&D projects and the related seismic activity.


  • Bo.Rex - Bochum Research and Exploration Drilling Rig
  • Coil-Tubing drill rig
  • high pressure triplex pump
  • DTH fluid hammer

Further information on the technical equipment.

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Zusätzliche Information


Dipl.-Ing. Volker Wittig M.Sc. 

R&D Manager Advanced Drilling Technologies

Room: G1 1-003
Phone: +49 (0)234 32-10768

Volker Wittig

Jonas Güldenhaupt, Master Craftsman of Drilling

Technical employee

Deparment: Advanced Drilling Technologies

Room: G2 0

Phone: +49 (0)234 32-10845

Jonas Güldenhaupt