GSF Rig 135

2,800 Foot Semisubmersible Drilling Vessel

General Description 

Design	Friede & Goldman Series 9500 Enhanced Pacesetter
Dimensions	270 ft. by 203 ft. by 116 ft.
Normal operating draft	65 ft.
Towing Draft	32 ft.
Maximum variable load (drilling)	7,600 kips
Quarters capacity	116 persons
Operating water depth (as outfitted)	2,800 ft.
Operating water depth (design)	2,800 ft. maximum

Drilling Equipment 

Derrick	185 ft. by 40 ft. Dreco, with a static hook load capacity 1,300,000 lbs. with 14 lines (1-1/2 in. drilling line)
Drawworks	Oilwell E-3000, 3,000 hp, driven by three GE 752 DC motors, complete with Baylor 7838 electric brake
Rotary table	Oilwell A 49 -1/2 in., with independent drive using a GE 752 DC motor with 2-speed transmission
Top Drive	Varco model TDS-5H, 650 ton, with a GE 752 DC hi-torque motor, rated to  38,000 ft.-lbs. continuous drilling torque, complete with a PH-85 pipehandler
Pipe handling	BJ Hughes monobeam piperacking system, complete with Varco pneumatic fingerboard and Varco AR3200 Iron Roughneck
Motion compensator	Shaffer 25/600, 25 ft. stroke and 600,000 lbs. passive heave compensation
Mud Pumps	Three Oilwell A-1700 PT, 1,700 hp triplex pumps, each driven by two GE 752 traction motors
Solids Control	Five Thule VSM-100 linear motion shale shakers

Storage Capacities 

Liquid Mud	1,656 active; 2,341 reserve
Base oil	2,000 bbl.
Brine	2,000 bbl.
Bulk material	18,714 cu. ft.

Power Equipment

DC	Four SCR units, each rated at 1600 amps and one SCR unit rated at 1800 amps, providing power for 20 GE 752 DC motors
AC	Four EMD 16-645 E8 diesel engines, 1,950 hp, each driving one EMD, 2,625 kva generator

Subsea Equipment

Riser	Stewart and Stevenson SSQR-F, 3,000 ft., 21” OD, 19-3/4” ID
Tensioners	Twelve Western Gear 80,000 lb. riser tensioners with 50 ft. line travel and four Western Gear 16,000 lb. guideline tensioners with 40 ft. line travel

BOP Equipment

Diverter System	Regan KFDS, 49-1/2 in., with two 14 in. discharge lines and two 14 in. hydraulically operated ball valves
18-3/4 in. System	One 5,000 psi annular preventer, one 10,000 psi annular preventer on the stack and two Hydril 15,000 psi double ram preventers
Cranes	One Bucyrus-Erie MK-60 cranes with 110 ft. boom, rated for 30.8 short tons (static) at 45 ft. radius One Bucyrus-Erie MK-100 crane with an 80 ft. boom, rated to 59 short tons (static) at 20 ft. radius One National Dreco 72DNS 130, 130 ft boom, rated for 52.6 short tons (static) at 80 ft. radius
Mooring System	Four Intercontinental DD-350 double drum winches with 1,300,000 lbs. Static brake capacity, eight mooring lines consisting of 7,500 ft. of 3-1/2 in. wireline and 245 ft. of 4-1/2 in. stud link chain, with eight Stevpris MK V 15 ton anchors

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