Builder: WBV Nord Oeversee

Location: Oeversee

Mountain formation: Loose formation

Drilling method: Well investigation cleaning, tailings

Number of holes: 8

Drilling depth in m: 283

Total drilling meters: 1870

Drilling Ø in mm: different

Expansion dates: different

Examination of 8 pieces. Process water well at WBV Nord in Oeversee. The conveyor systems for all wells were removed and installed and visually examined using an underwater camera. Wells 3 and 8.1 were cleaned mechanically.
The deposits in wells 3, 7b and 8.1 were vacuumed out and the filter section in well 7b was partially backfilled. In addition to the optical inspection, annulus control measurements were carried out at Altbrunnen 3.