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Turrets - Moorings - Risers overview

Published on 09 Apr 2019 by Brysen Lin

This document describes the development of turret and swivel systems which allow 'n x 360 degrees' rotation have been the key technologies which have allowed FPSOs to be used in all met-ocean environments.

Comparison of Turntable vs. Turret-Style Catenary Anchor Leg Mooring (CALM)

Published on 10 Jan 2018 by Brysen Lin

The turntable-style CALM buoy was originally developed by Shell Oil Company. Various patents prevented others (without a license) from using this design. The turret-style CALM buoy was primarily conceived as an alternative to “get around” the Shell patents. There were NO real benefits or advantages with a turret-style buoy when …