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Effective Field Parameters (EFP) - Drilling & Borehole Scanning

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New boreholes for the test were drilled in the BK area of the GTS. Once drilled, the boreholes were photographed with a specialised borehole scanner. This provides a 360° camera view of the geology of the borehole. This continuos image of the borehole corresponds to the true depth. This allows spherical fracture parameters such as azimuth and dip of the selected fracture to be derived

drilled borehole scan
Section of the newly drilled boreholes. The red line corresponds to the location of a fracture.
 Location of EFP at Grimsel

 

Effective Field Parameters (EFP)- Geological & Geophysical Investigations

 

25 years of Experience

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25 Years experience
2009 marked a significant milestone in the history of the Grismel Test Site with the running of experiments which have spanned more than 25 years. Read more about the 25 years of scientific exploration in the 25 Years of History at the Gimsel Test Site section. Full details of our 25 year celebration events will be posted shortly


The GTS underground facilities are also available to interested 3rd parties for underground testing and research. The GTS offers cost-effective access to a fully developed, well characterised underground research facility with round the year logistical support - please contact Dr. Ingo Blechschmidt, Head of the Grimsel Test Site, for further details.