Our Company The Fleet News & Events Investor Relations Career Center Responsibility
Fleet Overview Our Rigs Rig Videos Marketing Contacts Discoverer Clear Leader Discoverer Enterprise Sedco Express JOIDES Resolution Surplus Equipment for Sale
List by Name List by Rig Type List by Location List by Water Depth Newbuilds

 

The Fleet  Our Rigs  List by Rig Type  GSF C.R. Luigs

Fleet Specifications

GSF C.R. Luigs
10,000 Foot Ultra-Deepwater Drillship. 

General Description 

Design GlobalSantaFe graphic
Dimensions 759 x 118 x 60 ft. 
Loadline draft (drilling) 33 ft. 
Loadline displacement
(max draft)
46,355 lt 
Maximum variable load (drilling) 26,000 mt
Quarters capacity 150 persons
Operating water depth
(as outfitted)
10,000 ft.
Operating water depth
(as designed)
12,000 ft.

Drilling Equipment 

Derrick 180 ft. x 60 ft. x 55 ft. with a static hook load capacity of 2,000,000 lbs. with fourteen lines
Drawworks National-Oilwell 2040 UDBE, 5,000 hp, driven by four GE 752 DC motors, with hydraulic disc brakes and a Baylor 15050 auxiliary electric brake
Rotary table National-Oilwell C-495, 49-1/2 in. close coupled 752 electric motor, non-drilling
Top Drive Varco TDS-1000 AC, 1000 tons, continuous drilling torque rating 62,500 ft.-lbs., with a Varco PH-100 pipe handler
Motion compensator Shaffer Active CMC 1,000 kips dynamic, 2,000 kips static compensator
Mud Pumps Four National-Oilwell 14-P-220, 2,200 hp triplex pumps each driven by two GE 752 Hi-Torque DC traction motors, rated to 7,500 psi
Solids Control 8 x Thule VSM-300 Shale Shakers, 2 x Brandt SRS-3 desanders, 2 x Brandt DG-10 degasers, GlobalSantaFe design mud/gas separator, 350 cu. ft. with 12 in. vent line
Propulsion System Six 6,750 hp (5 MW) KaMeWa Aquamaster UUC 7001 retractable, canister mounted, variable speed, fixed pitch, azimuthing type thrusters (40,500 hp)

Storage Capacities 

Liquid Mud 13,267 bbls.
Base oil 3,535 bbls.
Crude oil 138,330 bbls. (with modifications)
Brine 9,594 bbls.
Bulk material 27,000 cu. ft.

Power Equipment

Main Power  Eight MAN B&W 9L32-40 diesel engines each rated at 5,790 hp, each driving a 4,184 kw, 60 hz, 6,600 VAC generator
Emergency Power  One 1,536 hp Caterpillar 3516, diesel emergency generator set providing 1,100 kw, 480 VAC 

Subsea Equipment

Riser Stewart & Stevenson SSQR-F 3,500,000 lbs. Tension, 22 in. x 19-3/4 in. ID with 4-1-/2 in., 15,000 psi choke & kill lines
Tensioners Twelve 250,000 lbs. single Shaffer riser tensioners with 65 ft. wireline travel

BOP Equipment

Diverter System Stewart & Stevenson complete shutoff 21-1/4 in. through-bore, 500 psi with Oil States super flex joint
18-3/4 in. System One Cameron “D” type 15,000 psi annular preventer, two Cameron  15,000 psi double rams and two Cameron 15,000 psi single rams
Cranes Two Seatrax 6032 cranes, 140 ft. booms, rated for 48 short tons at 50 ft. radius, two Seatrax 7228 cranes, 120 ft. booms, rated for 77 short tons at 50 ft. radius
Dynamic Positioning System Nautronix, DPS-3 dual DGPS position reference system with acoustic backup positioning system

Inquiries should be directed to the Marketing Department Houston 15375 Memorial Drive Houston TX 77079-4101 (281) 925-6000 Fax (281) 925-6010