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Figure 6.4 – Internal bow turret (SBM-Imodco)

Figure 6.5 – Cantilevered bow turret (SBM-Imodco)

A typical internal turret arrangement is shown in fig. 6.6. This is the SBM

Top Mounted Internal Turret (TMIT) system. Similar systems can be supplied by

any of the other turret contractors. This turret design has been employed on several

production FPSOs, e.g. Chevron’s Alba FSU, Shell’s CNS FPSO and Curlew

FPSO. The turret presents benefits from previous applications, and limits the

number of critical mechanical components, such as the bearings, by using a single

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