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The Fleet  Our Rigs  List by Water Depth  GSF Jack Ryan

Fleet Specifications

GSF Jack Ryan 
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. high 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, 1,000 tons, continuous drilling torque rating 62,500 ft.-lbs.
Motion compensator Shaffer Passive CMC 500 short tons dynamic, 1,000 short tons static compensator
Mud Pumps Four National 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 2 x Derrick Flo-Line Primer FLP-200 scalping shakers, 5 x Derrick Flo-Line FLC-2000 linear motion shakers, 2 x Brandt SE-24 desilters, 2 x Brandt DS-14 desanders, 2 x Brandt DG-10 degassers, GlobalSantaFe design, 350 cu. ft. mud/gas separator 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.
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. Ship can accommodate 14 tensioners

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 Two Shaffer Type SL 10,000 psi annular preventers, two Cameron 15,000 psi double rams and one Cameron 15,000 psi single ram
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