1 January 2023
The drill head with flat cutters. The three outer cutters are razor sharp knives that cut an annulus in the ice, with the ice core sliding up the inside of the inner barrel, and the ice chips and drilling fluid slurry passes up spirals on the outside of the core barrel. The core catchers inside the drill head break off the core and hold it in the barrel when the drill is brought back to the surface
The drill head with flat cutters. The three outer cutters are razor sharp knives that cut an annulus in the ice, with the ice core sliding up the inside of the inner barrel, and the ice chips and drilling fluid slurry passes up spirals on the outside of the core barrel. The core catchers inside the drill head break off the core and hold it in the barrel when the drill is brought back to the surface

Read the field diary from 1. January 2023 here.

You can follow the progress of the drilling operation in this graph.