ALL meanings of jack-up rig
jack-up rig
J j - noun jack-up rig 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. 1
- noun jack-up rig A jack-up rig is the most common type of rig, with three or four legs that are lowered onto the ocean bed, and the rig is then lifted to its operating height above sea level. 0