This article describes about basic information of jack up legs – Cylindrical Legs vs Trussed Legs, Three-Legged Jack Up  vs Four-Legged Jack Up and Three-Chorded Legs vs Four-Chorded Legs. Cylindrical Legs vs Trussed Legs Since

This article describes basic data with regard to the jack up rig elevation system, guides, pinion chord and leg fixation. Jacking System Firstly, let start with the jacking system , to lift