Structure for transporting, installing, and dismantling a rig deck and methods for transporting, installing, and dismantling said deck

摘要

The invention relates to a structure for transporting, installing, and dismantling a deck (1) of an offshore exploitation rig, for installing or dismantling said deck (1) on at least one supporting column, characterized in that the structure comprises two transport barges (20), and means (30) for supporting and raising the deck (1) which are separate both from said deck and said barges and which can be supported by the barges for supporting the deck between said barges.