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SLB OneSubsea has been awarded a subsea boosting contract by Petrobras for an offshore project in Brazil.

SLB OneSubsea, a joint venture supported by SLB, Aker Solutions, and Subsea7, has been awarded a contract by Petrobras to provide two subsea raw seawater injection (RWI) systems designed to enhance recovery from the prolific Búzios field offshore Brazil. The two subsea RWI systems will support Petrobras’ floating production storage and offloading (FPSO) vessels, P-74 and P-75. Each system will consist of a subsea seawater injection pump, umbilical system, and topside variable speed drive.

These subsea RWI systems will help alleviate bottlenecks in water injection capacity on the FPSOs, ultimately increasing their production. Compared to traditional topside injection systems, the RWI systems are a more efficient method of reservoir pressurization, leading to reduced greenhouse gas (GHG) emissions per barrel of oil.

Mads Hjelmeland, CEO of SLB OneSubsea, stated, “As deepwater basins mature, we see more and more secondary recovery opportunities emerging. Subsea raw seawater injection is a well-proven application with a strong business case that we think should become mainstream. By placing the system directly on the seabed, we free up space and reduce fuel needs for the FPSOs as well as lessen the power needs for the injection systems. It’s a win-win for Petrobras, and one that we are very excited about.”

As part of this project, SLB OneSubsea will also expand its multidisciplinary team in-country, providing full processing value chain support, from field development to system engineering and life-of-field assistance. The team will offer technical support through AI-enabled Subsea Live services, providing continuous condition monitoring and access to domain experts.

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