Liberal Dictionary English Dictionary
noun
- an offshore drill rig or platform having a floating hull fitted with retractable legs that can be lowered to the seabed to elevate the hull above wave level.
Jackup rig – Wikipedia
How Do Jackups Work? | Rigzone
Noble buys new jack-up rig, wins first contract | Offshore Energy Today
Jack-up rigs
Offshore Fleet – Jackup rig