Petroleo Brasileiro S.a. - Petrobras

Carlos Alberto Giacomin Pereira

Roberto Rodrigues

Francisco Edward Roveri

Cezar Augusto Silva Paulo

Renato Brandão Mansano

A free standing riser system includes a riser, a subsea intervention unit, and an umbilical line. The riser includes interconnected joints linked to one another, a lower-end of the riser being coupled to a wellhead and an upper-end of the riser enclosed in a buoy assembly, including a terminal, the riser being maintained in an erect, substantially vertical position. The subsea intervention unit is provided above the riser, and includes three connections: one connection to the terminal of the riser, one connection to a flexible jumper that is connected to a FPU, and one connection that provides a vertical conveyance to an intervention rig.

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Vitoria, Brazil

Carlos Alberto Giacomin Pereira