ins.: 2021-09-08 12:29; ( Age: 3 yrs )
Category:
DOVE
DOVE: 2021-09-02
The third Tannwald borehole has reached a depth of 17 meters.
The third Tannwald borehole has reached a depth of 17 meters. We recover excellent cores despite the devious geology by using an additionally armored crown and the Nordmeyer technology. From a depth of 15 meters downward a drilling fluid with bentonite had to be added to reduce the enormous friction caused by the gravel layers.
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