Floating Hosts
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Types of Floating Systems
Emerging Concepts
Alternatives for Deepwater
Types of Floating Platforms
FPU - NO STORAGE
- SPAR
- TLP - Tension Leg Platform
- SEMI - Production Semisubmersible
FPU - WITH STORAGE
- FPSO - Floating Production Storage Offloading
- FSO - Floating Storage & Offloading
Dry or Wet?
- Dry trees are possible only where there is limited motion
- Dry trees means easy access to trees - allows service to underwater lines (conduct pigging for example) if clogged
- FPSOs move too much to allow dry trees - must use wet trees
- Spars and TLPs are stable enough to use dry trees
Application Ranges
History Data of Floaters
Motions and Loads
Motion Characteristics
Selection of Alternatives
Spar
- No storage
- Small vertical motion
- Dry trees
- Several types
- Classical
- Truss
- Cell
Truss Spar
Mini TLP & Full Size TLP
Production Semi
FPSO
Installation & Marine Operation
Tahiti Spar
FPSO Mooring Types
- Spread moored
- Turret Moored
- Yoke to fixed structure
- External to vessel
- Internal to vessel
- Dynamically positioned
Hull/Topsides Integration
- FPSO - Shipyard Integration
- Semi - Shipyard or Quayside Integration
- TLP - Offshore Integration
- Spar - Offshore Integration
- Quayside integration requires lift capability, allows construction of topsides at convenient location
- Offshore integration requires costly heavy lift vessel