Discoverer Clear Leader

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Ship going to the Deepwater Horizon oil spill on 9 July 2010
Name: Discoverer Clear Leader
Owner: Triton Asset Leasing GmbH
Operator: Transocean
Port of registry:  Marshall Islands, Majuro
Ordered: 27 February 2006
Laid down: 6 August 2007
Launched: 10 November 2007
Completed: 2009
Status: Operational
Notes: [1]
General characteristics
Class and type: Det Norske Veritas
Tonnage: 65,573 GT; 10,100 DWT
Length: 254.4 m (835 ft)
Beam: 38 m (125 ft)
Draught: 13 m (43 ft)
Depth: 19 m (62 ft)
Notes: [1][2]

Discoverer Clear Leader is a double hulled dynamically positioned drillship, capable of operating in moderate environments and water depths up to 12,000 feet (3,657m) using an 18.75 in (47.6 cm), 15,000 psi blowout preventer (BOP), and a 21 in (53 cm) outside diameter (OD) marine riser. The Marshall Islands-flagged vessel is owned by Transocean, and is operating in the Gulf of Mexico of the United States.[2][3]

Sister ships[edit]

Discoverer Clear Leader design is a "Transocean Offshore enhanced Enterprise-class" and has four other sister ships: Discoverer Americas, Discoverer Inspiration, Discoverer Luanda, and Discoverer India.[1]

Discoverer Inspiration delivers new containment cap to the Deepwater Horizon oil spill on 10 July 2010. In the background are the Discoverer Enterprise, GSF Development Driller II, and Helix Producer I


  1. ^ a b c "Discoverer Clear Leader (27186)". DNV GL Vessel Register. Det Norske Veritas. Retrieved 8 June 2010. 
  2. ^ a b "Fleet Specifications: Discoverer Clear Leader". Transocean. 2010. Archived from the original on 9 July 2011. Retrieved 7 June 2010. 
  3. ^ "Rig Data: Discoverer Clear Leader". Rigzone. 2010. Retrieved 20 May 2010. 

External links[edit]