Pre-drilling for a new well location at the Tornesch paper mill. GWM AB 1 for well 5 – up to 37 m dry drilling, up to 250 m using pressure drilling.
The exploration borehole AB 1 on the site of the Tornesch paper factory was sunk up to 250 m below GOK as a preliminary borehole for the new well construction Br. 5, expanded into a GWM and operated over a longer period of time to control the water quality.