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Mooring Systems - Internal Permanent Turret

FPSO Petrobras P31 - Brazil

SOFEC designed and constructed an internal permanent turret mooring system for a 283,000 dwt deepwater FPSO installed in the Albacora field in the Campos Basin offshore Brazil. The FPSO is located in 330m water depth. The turret system is designed to accommodate 25 flexible risers in a radial pattern around the turret chain table. The ten-path swivel stack includes fluid paths for production, oil import and export, gas lift, and water injection. Multi-line swivels provide hydraulic and pneumatic controls. The turret uses an eight leg symmetric catenary wire/chain mooring system.
General Description
Location: Albacora Field, Brazil
Client Name: Petrobras
Contract Awarded: February  1996
Installation Date: September 1998
Water Depth: 330m (1,082ft)
Tanker Size: 283,000 dwt
First Oil: October 1998
Storage Capacity: 1,000,000 bbls
Fabrication: Turret - Abu Dhabi - UAE
Vessel - Brazil
Topsides - Brazil
Region: Americas
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