GSF Arctic I

2,300 Foot Semisubmersible

General Description 

Design	Friede & Goldman L-907
Dimensions	258 x 202 ft. (main deck)
Normal operating draft	68 ft.
Towing Draft	39 ft.
Maximum variable load (drilling)	7,200 kips
Quarters capacity	110 persons
Operating water depth	3,100 ft.

Drilling Equipment 

Derrick	195 ft. x 40 ft. Dreco, with a static hook load capacity of 1,400,000 lbs. with fourteen lines
Drawworks	National-Oilwell E3000, 3,000 hp, driven by three GE 752 DC motors, and a Baylor 7838 auxiliary electric brake
Rotary table	National-Oilwell, 49-1/2 in. with independent electric motor drive
Top Drive	Varco TDS-4H, 650 short tons, continuous drilling torque rating 44,000 ft.-lbs.
Motion compensator	NL Rucker 300 short tons in line motion compensator 750 short tons locked
Mud Pumps	Three National-Oilwell A-1700-PT, 1,700 hp triplex pumps each driven by two GE 752 Hi-Torque DC traction motors, rated to 5,000 psi with plungers and hi-pressure liners
Solids Control	4 x Brandt Tandum shakers cascading into 4 x Derrick Flo-Line cleaners
Propulsion system	Two fixed pitch propellers, 4,000 BHP each

Storage Capacities 

Liquid Mud	1,724 bbls. active; 4,200 bbls. reserve
Base oil	1,120 bbls.
Bulk material	15,522 cu. ft.

Power Equipment

DC	Seven Ross Hill SCR units, each rated at 2100 amps;
Main Power	Two EMD 16 cyl diesel engines, 2,925 bhp; two EMD 12 cyl diesel engines, 2,305 bhp
Emergency Power	One turbo charged Detroit Diesel 16V149 GDT-825 rated at 1,400 hp 825 kw

Subsea Equipment

Riser	3,350 ft. of CIW RD, 21 in O.D. riser
Tensioners	Twelve 80,000 lb. Riser tensioners with 50 ft. line travel and four NL Shaffer 16,000 lb. Guideline tensioners with 40 ft. line travel

BOP Equipment

Diverter System	Regan KFDS, 24 in. nominal size diverter with Regan type DR-1 ball joint
18-3/4 in. System	Two Cameron 10,000 psi annular preventers and two Cameron 15,000 psi double ram preventers
Cranes	Two Liebherr cranes, 120 ft. booms, rated for 77 short tons at 33 ft. radius and One Liebherr crane, 80 ft. boom rated for 88 short tons at 33 ft. radius
Mooring System	Four Skagit WMD-48 double wildcats with eight anchor chains consisting of 5,100 ft. x 3 in. K-4 and seven Bruce and one Stevpris 26,500 lb. anchors Sixteen 2,000 ft, x 3-1/2 in. diameter wire rope sections rated at 1,400,000 lbs. to be used as inserts

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