GSF Celtic Sea

5,750 Foot Semisubmersible

General Description 

Design	Friede & Goldman L-907 Enhanced Pacesetter
Dimensions	241 x 240 ft. (main deck)
Normal operating draft	68 ft 7 in
Towing Draft	28 ft.
Maximum variable load (drilling)	11,200 kips
Quarters capacity	140 persons
Operating water depth	5,750 ft.

Drilling Equipment 

Derrick	165 ft. x 40 ft. Dreco, with a static hook load capacity of 1,543,000 lbs with sixteen lines.
Drawworks	National-Oilwell 1625 UDBE, 3,000 hp driven by three GE 752 DC motors, with hydraulic disc brakes and an Elmagco 7838 auxiliary electric brake.
Rotary table	National-Oilwell C-495, 49-1/2 in. independently driven by one GE 752 DC motor. Rotary skids out for riser running operations.
Top Drive	Varco TDS-4S, 650 short tons, continuous drilling torque rating 46,380 ft-lbs. Equipped with PH-85 pipe handler and remote 15,000 psi IBOP.
Motion compensator	Shaffer 600,000 lb Crown Mounted Compensator with 25 ft. stroke.
Mud Pumps	Three National-Oilwell 12-P-160, 1600 hp triplex pumps each driven by two GE 752 Hi-Torque DC traction motors, rated to 5,000 psi.  One (1) Lewco W446, 440 hp triplex riser boost pump, 661 gpm.
Solids Control	Four (4) Brandt LCM-3D high “G” Force Linear Motion Scalping Shakers, one (1) Brandt ATL-MC desilter, 32-4 in. cones; one (1) Brandt LCM-3D/CMC mud cleaner

Storage Capacities 

Liquid Mud	7,993 bbls.
Base oil	2,533 bbls.
Brine	1,418 bbls.
Bulk material	22,452 cu. ft.

Power Equipment

DC	Fifteen Siemens SCR units, each rated at 1,200 amps, 750 volts.
Main Power	Four Yanmar 2,950 hp diesel engines; two Bergen 2,605 kw engine generator sets
Emergency Power	One turbo charged Caterpillar 3512 emergency generator rated at 1,590 hp

Subsea Equipment

Riser	5,750 ft. of Stewart & Stevenson SSQR-F, 20 in. nominal O.D. riser.
Tensioners	Twelve 160,000 lb. riser tensioners with 50 ft. line travel. Total tensioning capability 1,920,000 lbs.

BOP Equipment

Diverter System	Vetco KFDS/CSO, 20 in. nominal size diverter with Oil States Flex Joint. 62 in. ID rotary opening with adapter removed.
18-3/4 in. System	Two Shaffer SL 10,000 psi annular preventers and two Cameron TL 15,000 psi double rams.
Cranes	Two Seatrax Kingpost Maring Model 8032 cranes, 140 ft. booms, rated for 76 tons at 40 ft. radius; one BOP Bridge crane with 4 hoists (2 x 62.5t and 2 x 20 ton)
Mooring System	Four Amclyde CTW-350/48 double traction winch/windlass with eight mooring lines consisting of 3 in. K-4 anchor chains and eight 3-1/2 in. wire rope; electric powered storage reels for 3-1/2 in. x 10,000' wire rope and eight 15 metric ton Stevpris MK5 anchors

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