GSF Development Driller I

Semisubmersible Drilling Unit

General Description 

Design	Friede & Goldman, Ltd.
Delivered	2004
Quarters capacity	160 persons
Operating water depth	7,500 ft.
Drilling depth	37,500 ft. (11,430 m)
Maximum drilling variable deck load	15,432 kips
Maximum transit payload	5,000 tonnes
Heliport	Equipped to handle MI8 or EH101 15mt
Classification	ABS A1, AMS, CDS, DPS-2

Vessel Dimensions/Displacement 

Overall length	324.2 ft. (98.82 m)
Overall width	258.1 ft. (78.68 m)
Main deck length	244.2 ft. (74.42 m)
Main deck width	244.2 ft. (74.42 m)
Depth to main deck	28.2 ft. (8.6 m)
Draft - drilling	65.6 ft. to 55.8 ft. (20.0 m to 17.0 m)
Displacement at drilling draft	20.0 m = 46,507 tonnes

Station Keeping 

Mooring System	Simrad SDPM 32 + SDP11 Mooring system – 8/12/16 point chain/wire
DP Thrusters	8 x 4,300 hp
Position Reference	DGPS, HiPap 350, LBL Multipurpose

Cranes 

Deck crane (port)	165 st @ 71 ft. static / 110 st @ 71 ft. dynamic
Deck crane (stbd)	165 st @ 71 ft. static / 110 st @ 71 ft. dynamic
Knuckle boom	1 x 11 st @ 115 ft. pipe/casing handling
Riser gantry crane	1 x 44  st – vertical riser handling
BOP gantry crane	2 x 110 st – BOP & tree handling

Rig Power Systems 

Engines	8 x Cat 3612
Alternators	11 kv

Drilling Equipment 

Derrick	52 ft. x 57 ft. x 228  ft. (15.85 m x 17.37 m x 9.49 m)
Clear working height	200 ft ( 61.00 m )
Drill floor dimensions	56 ft. x 77 ft. (17.1 m x 23.5 m)
Tubular setback capacity	1,000 short tons
Rotary supporting capacity	2,000,000 lbs. static
Piperacking systems	2 Redundant Bridge Crane Type Rackers
Mud pumps	4 x 2,200 HP x 7,500 psi

Hoisting Equipment 

Drawworks (Main)	7,000 HP x AHD 1000 st AC drive
Drawworks (Auxiliary)	4,500 HP x AHD 500 st AC drive
Traveling block (Main)	1,000 short tons
Traveling block (Auxiliary)	500 short tons
Top drive (Main) (in line)	1,000 short tons
Top drive (Auxiliary) (in line)	500 short tons

Storage Capacities 

Liquid storage (upper hull)	7,050 bbls. (1,088 cu. m)
Liquid storage (columns)	11,900 bbls (1,892 cu. m)
Brine	4,868 bbls. (775 cu. m)
Base oil	4,535 bbls. (730 cu. m)
Potable water	4,750 bbls. (755 cu. m)
Drill water	14,490 bbls. (2,304 cu. m)
Fuel oil	20,290 bbls. (3,226 cu. m)
Sack mud storage (on pallets)	4,000 sacks
-Barite/Bentonite	10,445 cu. ft. (295 cu. m)
-Surge tanks	150 cu. ft. (4.25 cu. m)
-Cement	16,950 cu. ft. (480 cu. m)
-Surge tank	150 cu. ft. (4.25 cu. m)

Mud Conditioning Equipment

Gumbo / Scalper conveyor	2
Balanced Elliptical Motion shakers	7
Mud cleaners	2 x Integrated Hydro cyc pkgs(s)
Vacuum degassers	2 x  Swaco Hurricane

Well Control Equipment

BOP stack	18-3/4 in. 15,000 psi H2S service
Two remote control panels	Driller’s House/ Bridge
Two stack mounted pods	4th Generation Mux
Mux cable reels	11,000 ft. (±3,353 m)
Marine riser	21 in. CLIP
Quantity	100 x 75 ft. x 54 in. (flotation/OD)
Slip joints	2 each w/60 ft. stroke
Suspension ring	Motorized
BOP Transporter	Elevator with 400 mt capacity
Auxiliary Cart	700 mt capacity
Gantry crane	2 x 100 mt + 25 mt Aux. Winches
Tensioners	12 each x 250 k, 3,000 kips total

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