Noble Discoverer

General

Rig Type	Drillship
Rig Design	Sonat Drilling Discoverer Class
Builder	Namura Zonsho Yard
Year Built/Upgraded	1976 / 2009
Classification	DNV +1A1, Ship Shaped Drilling Unit
Flag	Liberia
MODU Code	1979
Water Depth	1,000 ft
Drilling Depth	20,000 ft
Variable Deck Load	17,287 kips
Hook Load	1,000 kips
Setback Capacity	500 kips

Quarters Capacity	128
Draft (Operating/Transit)	27 ft / 26 ft	Moonpool	22 ft dia. (round)
Depth	38 ft	Length	514 ft	Breadth	71 ft

Equipment

Derrick	MH/Pyramid 40 ft x 40 ft x 175 ft; 1,000 kips
Drawworks	IDECO E-2100; 1,600 hp
Top Drive	NOV TDS-3S
Rotary	National C-495, 49-1/2 in
Iron Roughneck	Maritime Hydrolics HRN-1898
BOP	Cameron Type U; 4 ram; 18-3/4 in x 10 psi
Motion Compensator	NOV Shaffer DSC-400
Riser Tensioner/Stoke	Shaffer; 80 kips; 12-1.2 ft stroke
Riser Details	NOV Shaffer DT2; 50 ft LOA x 21 in ID
LMRP	(2) Hydril GL 18-3/4 in x 5 psi annulars
Control System	Koomey Type 80
Pipe Handling Systems	BJ Racking System, 3-arm
Solids Control System	(4) Derrick FLC-514
Diverter	Vetco KFDS
Tree Storage/Handling	L14.8 ft x W13.5 ft, 170,000 lbs
Cranes	2x National OS435 pedestal cranes, 120 ft boom, 64,000 lbs max load
Mud Pumps	(2) Emsco FA-1600; (1) FB-1600; 1,600 HP
Engines	(6) Cat D399
Station Keeping	8-point, turret moored
Thrusters	3x docking thrusters

Capacities

Fuel	10,398 bbls	Brine Storage	3,415 bbls
Drill Water	2,434 bbls	Base Oil Storage	Duel use with Brine Tanks
Bulk Storage	13,382 cu ft	Liquid Mud (Active+Reserve)	2,660 bbls
Sack Storage	8,839 sacks