OneSubsea®, a Cameron and Schlumberger company, was awarded a contract in the second quarter of 2015 to supply subsea processing systems, which included valves, for the Shell Offshore Inc. Stones development in the Gulf of Mexico. This award follows a Technology Qualification Program and will deliver the industry’s first 15,000-psi subsea pump system, to be installed in the Gulf of Mexicoat approximately 9500 ft (2900 m).
The subsea processing systems scope of supply includes a dual pump station with two 3-megawatt single-phase pumps and two subsea control modules, a topside power and control module, a barrier-fluid hydraulic power unit with associated spares as well as installation and maintenance tools. Manufacturing and testing will take place at OneSubsea’s processing center of excellence facility in Horsoy, Norway.
The system will be tied back to the Stones FPSO. The system is expected to be ready for delivery from Horsoy in early 2018.