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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.
Compare semisubmersible.
Origin of jack-up rig
1965-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for jack-up rig
  • The crew of the jack-up rig cleaned the work site and departed the area the day before the accident.
  • Procedures using a jack-up rig moved onto the platform's north side.

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