Field recording · excerpt · 8 sec
Cleaning around the cutting ring
Look at the exposed cutters and the material around the lower barrel.
In this video
- Locate the cutters and openings around the lower barrel.
- Compare the visible material before and during surface cleaning.
- Photograph the cleaned assembly when recording wear or restricted cone movement.
Surface cleaning exposes the cutters for inspection. Review cuttings buildup with the barrel condition and drilling cycle.
Video description
A water stream is directed at the lower part of a standing core barrel, followed by a closer view of the cutting ring and cutters.


WS39 casing tooth
JM cutter tooth
B47K22 bullet tooth

