Búzios V (Búzios-5) Subsea Development Project is the fifth development phase of the Búzios pre-salt oil field, located in the Santos Basin offshore Rio de Janeiro, Brazil. Operated by Petrobras, the project involves the development of a subsea production system connecting 15 wells to the FPSO (Floating Production, Storage and Offloading) Almirante Barroso.

Castorone, located in the Black sea, the is one of the world’s largest and most technologically advanced pipelay vessels. Operating in S-lay configuration, it is capable of installing pipelines up to 60 inches in diameter in environments ranging from shallow waters to ultra-deepwater. Equipped with a DP3 dynamic positioning system, an advanced automated welding line, and a high-capacity pipelay system, Castorone delivers high production rates, precision, and reliability for complex offshore pipeline installation projects.