When a jack-up vessel is elevated, it is subjected to various adverse forces that need to be considered. The legs of the jack-up barge play a crucial role in resisting these forces and ensuring the stability. Wind...

When the hull is elevated, its weight is transfered through the rack to the pinions and jacking tower. Due to the slight movement caused by weather elements, weight is burdening the pinions, especially...

RPD is the measurable difference in the vertical position of the chords relative to one another within a lattice leg. It occurs due to an uneven loading of the leg chords when the spud can is unevenly...

Pinions are an essential component of jackup barge legs, and their design can significantly impact the stability of the platform. Depending on the leg design, pinions could be installed in two ways: RADIAL...

Every jackup leg is equipped with a set of guides. These ensure the leg doesn’t move horizontally, while allowing vertical movement. By restricting horizontal movement, the guides keep the leg in...