ACE upgrades reel drive system for Prelude

Offshore staff

TURRIFF, UKOceaneering has commissioned ACE Winches to provide spooling equipment for Shell’s Prelude floating liquefied natural gas project offshore northwest Australia.

This will involve the first deployment of ACE’s 500-metric ton (551-ton) reel drive system.

For Prelude, the company will spool 4,400 m (14,435 ft) of umbilical with a diameter of 229 mm (9-in.) onto a 12.2-m (40-ft) reel. The weight of the umbilical will be the heaviest Oceaneering has spooled to date, with a total weight of 426 metric tons (469 tons).

ACE modified its 400-metric ton (441-ton) reel drive system to meet the client’s requirements, adding a base frame and packers to allow the 12.2-m reel to be spooled on the quayside.

The company also supplied 10 commissioning engineers and technicians to assemble the equipment quayside before operations started, with a further six technicians providing a 24- hr service to complete the first phase of spooling.

The patent pending 500-metric ton system comprises two towers that disassemble into eight modules for easy transportation. The towers employ a slave and master configuration, with two gear boxes in each drive hub.


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