The Transocean Marianas an Earl & Wright Sedco 700 semi-submersible drilling Rig, called on the Port of Walvis Bay on 06 February 2013, at 05H00 and is berthed at Quay 08.
This impressive structure has the ability to operate in harsh environments and water depths up to 7,000 feet (2,100 m) using an 18.75 inch (47.6 cm), 15,000 psi blowout preventer (BOP), and a 21 inch (53 cm) outside diameter (OD) marine riser.