The rig will be down for about 53 days as repairs to the BOP onboard the semisub get under way.
The Friede&Goldman 9500 Enhanced Pacesetter-design unit, which is designed to drill in waters up to 10,000 feet, was drilling the Silvertip field on Perdido at Alaminos Canyon Block 815 in 9300 feet of water when the incident occurred.
A Noble spokesman said: "The BOP stack has been successfullyrecovered and is now onboard.
"We