Discover How Seagems Boosted The Energy Sector With An Innovative Operation, Increasing Efficiency And Highlighting Brazil On The Global Stage.
Seagems, widely recognized for excellence in underwater engineering, successfully completed the replacement of a flexible riser at the Porto de Sergipe thermoelectric plant, located in Aracaju (SE), early last Thursday (19). In fact, this operation, which is part of a strategic partnership with Eneva, positions the plant as a strong candidate for the largest power generation facility in Latin America. Therefore, the riser, which is an essential component connecting underwater systems to floating structures, plays a crucial role in transferring fluids from the surface to the seabed and then to the shore.
The preparatory work for this highly complex replacement began in October, shortly after an unexpected failure of the original pipe. Consequently, this setback compromised the distribution of natural gas and integration with the gas pipeline network of Transportadora Associada de Gás (TAG). Thus, Seagems was immediately contracted to solve the problem effectively and quickly. Additionally, the team utilized advanced technologies to ensure the success of the operation.
Technological Innovations Drive Operation
The new flexible riser, measuring 14’’ x 90 meters, was designed to enable the transfer of natural gas from the FSRU (Floating Storage and Regasification Unit) Energos Nanook to Eneva’s thermoelectric plant, strategically located in Barra dos Coqueiros, Sergipe. Moreover, the plant has a generation capacity of up to 5 GW, reaffirming its strategic role in the Brazilian energy matrix. Thus, its implementation is a significant milestone that highlights Brazil in the energy sector.
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“This project is absolutely crucial for the region, as the plant has the potential to be the largest in Latin America in terms of installed capacity. Additionally, the FSRU has an impressive storage capacity of 170 million cubic meters of liquefied natural gas and regasification of up to 21 million cubic meters per day, which are significant and highly relevant parameters,” emphasized Marcos Adriano, Superintendent of Special Projects at Seagems. Consequently, the benefits are undeniable.
Safety And Efficiency As Priorities
To protect and ensure the total integrity of the riser, Seagems implemented customized devices that significantly facilitated its installation. Furthermore, the anchoring system of the FSRU, developed by the renowned Norwegian company APL-NOV, stands out for its cutting-edge technology, allowing free rotation around the anchoring point and substantially increasing efficiency in gas transfer. Thus, the project quickly became a reference in the sector, particularly for combining innovation and safety.
“This is an innovative solution that requires extremely high specialization. The experience and know-how of Seagems were decisive in ensuring the safety and efficiency of this operation,” explained Marcos. Consequently, the execution brought concrete and lasting benefits, consolidating the company’s capability to lead challenging projects.
Benefits For Energy And New Opportunities
The successful completion of the project ensures, above all, the continuity of energy generation at the Sergipe thermoelectric plant. Additionally, it consolidates the collaboration between Seagems and Eneva, which is already planning to expand similar projects to other regions of Brazil. Furthermore, during the interim period between contracts with Petrobras, Seagems took the opportunity to carry out preventive and strategic maintenance on its vessel Esmeralda, updating certifications and ensuring its operational readiness. With that, the company is fully prepared for new challenges and future opportunities in the energy market.
Project Highlights
- Generation Capacity: The plant can reach 5 GW of installed capacity. Additionally, it leads in innovation and technology, standing out as a global example.
- Storage Capacity: The FSRU Energos Nanook accommodates 170 million m³ of liquefied natural gas, maximizing results strategically and efficiently.
- Cutting-Edge Technology: The anchoring system allows for superior efficiency and safety, which in turn reduces operational risks and increases reliability.
- Engineering Innovations: Riser protection devices were specially developed for the project, standing out as a competitive differentiator and ensuring greater longevity for the equipment.
With this significant milestone, Seagems reaffirms its leadership in high-complexity solutions in the energy sector and undoubtedly establishes a standard of excellence that will drive new contracts and expansions. Thus, the sector gains a new solid and reliable reference symbolizing the future of energy in Brazil.

Só corrigindo, a capacidade de geração é de 1,6 GW e a capacidade de armazenamento é de 170 mil metros cubicos de gás natural líquido.