Work on the 61.87 x 51.21-m (203 x 168-ft) rig included preload, void, bilge, and diesel tank steel repair with nearly 125 metric tons (138 tons) of steel applied to renew the inside of the tanks.
Drydocks World’s team designed, fabricated, and installed a securing system for the rig, and performed underwater inspection. The team also replaced a sea cooling line for the main air compressors and pipes for barite tanks; re-routed the flaring line; renovated a 50-m (164-ft) cement line; and changed mud valves on the stand pipe manifold.
Specialist crews undertook repairs to the accommodation including renewal of floor tiling, ceiling panels, and door frames.
The shipyard’s Global Offshore Services helped overhaul the cantilever skidding units. The preload tanks were blasted and these and the hull were subsequently painted.
The rig’s three cranes were refurbished and extensive machining was performed.
Other work that was completed on the derrick included blasting and painting, replacement of electrical cables, and replacement of structural angle bars and beams.
Additionally,Drydocks World conducted hydro-blasting and painting of the rig’s legs, overhauling of the AC works in accommodation and of two generator alternators.