Subsea7 S.A., established in 2002 and headquartered in London, UK, is a global leader in offshore engineering, construction, and services for the energy industry. The company specializes in delivering subsea solutions for oil and gas projects, including pipeline installation, subsea construction, and maintenance services. In February 2025, Subsea7 announced a merger with Italian energy services firm Saipem, creating Saipem7, a leading European provider of onshore and offshore energy services. The combined entity aims to enhance operational efficiency and expand its service offerings in the evolving energy sector.
The billion-dollar agreement involves engineering and installing subsea infrastructure for seventeen wells in the Santos Basin to advance one of Brazil’s largest pre-salt expansion projects.
The company will provide installation and engineering services for the Aseng Gas Monetisation Project, connecting a single-well tieback to existing infrastructure in West African waters.
The scope of work comprises engineering, procurement, construction and installation of approximately 20 kilometres of flexibles, 120 kilometres of umbilicals, a rigid production riser and associated subsea equipment in water depths of 2,200 metres.
The major agreement covers engineering, procurement, construction, and installation of subsea infrastructure for the Previously Produced Fields development, further strengthening collaboration in the North Sea.
Subsea7 has been awarded a subsea installation contract by Chevron Australia for the Gorgon Stage 3 project, extending offshore gas production infrastructure.
The project involves the transportation and installation of subsea equipment at the Aphrodite development, located within Block 5a, at water depths of up to 290 metres.
Subsea7 secures a significant offshore project in Norway, strengthening its partnership with ConocoPhillips and expanding its subsea operations in the region.