Client: CNOOC

Date of Started: 7/21/2020

Location: South China Sea; water depth of 240.8 m

Topside Weight: Max. 18000 MT

SOW: Based on the design basis, soil report, and metocean data, OTL performed the following optimization design and analysis:

Jacket configuration study optimization design
Conductor support frame spacing’s
Jacket structural configuration, member and joint optimization
Optimize jacket structural design based on the analysis results under both in-service and per-service conditions
In-place static and dynamic analysis
In-place spectra fatigue analysis
In-place seismic analysis
FE analysis for skirt pile sleeve connection
Member stress check under slamming loads under in-service condition
Member current ViV check under in-service condition
Hydro-static ring design check
Grout strength check