SEDCO 704 Semi-Submersible Drilling Rig

ACE Winches was tasked with the refurbishment of eight Baylor-Hepburn 500 Anchor Winches installed on the SEDCO 704.

Project work took place while the drilling rig was in dry dock at the Nigg Shipyard.

The Anchor Winches were removed and mobilised for local inspection and rebuild at the company’s Towie Barclay Works facilities.

SCOPE OF WORK

• Brake band linings removed and relined
• Removal of main shaft and bull gear for inspection and repair
• Bull gear and drive pinion gear MPI and repair
• Total replacement of gypsy wheels
• Overhaul of reduction gearbox and brake
• Transmission gearbox
• Removal and replacement of clutches and air cylinders
• Disc brakes manufactured and reinstalled
• Complete overhaul of load cells including replacement diaphragms
• All parts and components cleaned, blasted and painted
• All hoses, fittings and clamps replaced
• FAT tested to ABS specifications

Iain Penny of the Transocean SEDCO 704 said "The service team displayed an outstanding attutude throughout.  They were hard working, diligent, professional and extremely proficient in their field of expertise.  They actively participated in Transocean's safety culture.  In addition they displayed a real 'can do' attitude and never shied away from participating in work even when outside of their own work scope....the lads were outstanding and are a credit to your organisation.  It was a pleasure to work with them for the 704's yard stay."