How Do You Steer a Drill Below the Earth?
JUL 05 2022
Practical Engineering on horizontal directional drilling and the mechanics of guiding a bit through rock underground.
Source: YouTube
Part of Underground · Watch in the documentary
More from Underground
- An Anglo-Saxon burial ground found by HS2 archaeologists
- Raven Rock: the government's underground command centre
- Mystical initiation in ancient Greece: the Eleusinian Mysteries
- The hidden history of the catacombs of Rome
- Titan, the deepest cave shaft in Britain
- Twenty years since the Quecreek mine rescue