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LbP 233.00m

Breadth 41 .80 m

Draught 13.60m

DWT 97,046 mt

Displacement 110,884 mt

Hull Particulars: (800,000 bbl Storage Tentech Barge)

Loa 200.60 m

Breadth 42.00 m

Draught 19.50m

6.1.3 Turret Design and Selection

There is a wide range of FPSO turret designs available on the market to suit

new build and/or tanker conversion with basically four main experienced designers

providing the FPSO turret and the buoy systems worldwide:
1. SBM/Imodco (www.singlebuoy.com)

2. Bluewater (www.bluewater-offshore.com)
3. Sofec (www.fmcsofec.com)

4. APL (www.apl.com)
These main contractors offer a range of services from a straightforward

turret delivery to a more comprehensive role with total FPSO delivery and

operation. There are several other companies offering related turret designs on a

niche basis.

Designs

When designing turret mooring systems for ship-shaped vessels, one of the

most important vessel design factors affecting the mooring line tensions is the

location of the turret. The farther forward the turret is located away from the mid-

ship, the easier it becomes for the vessel to weathervane into an equilibrium

heading under non-collinear environments.

However, the farther away the turret is placed, the more the vertical motions

at the fairleads due to the vessel pitch will increase, which could have an adverse
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