Unidad flotante para operaciones de perforación

The present invention relates to a floating unit for drilling operations in particular a drill ship, comprising a floating structure 2 which defines a main deck 3, above which a drill floor 4 is placed, and at least one drilling tower 5 having a box-like structure which extends above the drill floor 4 next to at least one moon pool 6, which vertically crosses the floating structure at the drill floor 4 as far as the bottom 8 of said floating structure. The drilling tower 5 is directly supported by a support structure 10 structurally integrated with the floating structure 2. The support structure 10 of the tower 5 and/or the tower 5 crosses the drill floor 4. The drill floor is structurally supported by the support structure 10 of the tower and/or by the tower itself.