Finnish energy company ST1 is developing a geothermal project in Espoo, Southern Finland, and chose KATI as their cooperation partner.

A significant milestone for the project was achieved on 10 July 2015, when KATI completed the borehole of 2,015m depths. It is called a sounding hole as there is a number of geophones 'listening' while the actual production hole is being drilled, which gives the client a better understanding of the bedrock.

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