OneSubsea’s Subsea Processing Systems for Stones

OneSubsea, a Cameron and Schlumberger company, was awarded a contract in the second quarter of 2015 to supply subsea processing systems for the Shell Offshore 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 Mexico at 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 facility in Horsoy, Norway.

Based on OneSubsea’s field-proven boosting technology, this is another innovative step forward for our subsea pumping systems,” said Jack Moore, Chairman and Chief Executive Officer of Cameron, a parent company of OneSubsea. “This boosting technology will be key for enhancing recovery and increasing production from the ultra-deepwater environment in the lower tertiary region of the Gulf of Mexico.”

The system will be tied back to the Stones FPSO. The system is expected to be ready for delivery from Horsoy in early 2018.

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