Transocean – Sedco 709
Semi-Submersible RigMan hours: 148000
June 2007 – 11 weeks.
- Rig was raised out of the water onto a heavy lift vessel, in Saldanha Bay, enabling access to pontoons steelwork and thrusters.
- Over 390m of 3” #160 SS (HP) pipe renewals.
- 100m of 5” cement lines.
- Renewal of all the HP Demco valves.
- Steelwork modifications and overhaul of the main fairleaders.