World's Largest Semi-Submersible Rig Delivered

Hyundai Heavy Industries (HHI) has delivered Ocean GreatWhite, the world’s largest semi-submersible drilling rig, to Diamond Offshore, a Houston-based drilling contractor.

Ocean GreatWhite, measuring 123 meters (402 feet) in length and 78 meters (255 feet) in width, is capable of operating in waters up to three kilometers (10,000 feet) deep and drilling down to a depth of 10 kilometers (6.6 miles) from the sea surface. It has an operating draft of 23 meters (77 feet) and a transit speed of about eight knots.

The rig will be chartered to BP for operation in the Great Australian Bight from October this year.

http://maritime-executive.com/article/worlds-largest-semi-submersible-rig-delivered