LF12-3 DDP FEED Design and Analysis

model 22.jpg

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