Design of a 60,000 BOPD greenfield spar-based floating production system in 4,000ft water in the Gulf of Mexico. Design included a three-level topside structure (approx. 8,000 tons). Keystone provided fabrication and loadout engineering services. Keystone performed a structural analysis for construction and loadout conditions. Topsides required design of a skidway, pulling/skidding, ballasting, and skidway load spreader systems. Keystone designed a project-specific skidding system which allowed the fabricator to skid the topsides with 60’ deck leg spacing on existing yard skidways that were set for a 69’ deck leg spacing.

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