GSF Key Singapore

350 Foot Jack-up Drilling Unit

General Description 

Design	MLT 116-C
Overall dimensions	243 by 200 by 26 ft.
Legs (3)	477 ft. long square
Quarters capacity	88 persons
Operating water depth	350 ft.
Jacking system	MLT electrically driven rack and pinion system
Cantilevered drilling envelope	45 ft. by 24 ft.
Maximum variable load (drilling)	7,616 kips* * 300 ft. WD; 70 knot wind; 30 ft. wave; 1.5 knot current

Drilling Equipment 

Derrick	160 ft. by 30 ft. Pyramid Standard, with a static hook load capacity of 1,044,000 lbs. with twelve lines (1-1/2 in. drilling line)
Drawworks	National 1625 DE, 2,000 hp, driven by two GE 752 DC motors, complete with Baylor 7838 electric brake
Rotary table	National C-375 with independent drive using a GE 752 DC motor with 2-speed transmission
Top Drive	Varco Model TDS-3, 500 ton, with a PH-60 pipe handler, rated to 26,400 ft.-lbs. Continuous drilling torque
Pipe handling	Varco AR-3000 iron roughneck
Mud Pumps	Two National 12-P-160, and one Emsco FB 1600, 1,600 hp triplex pumps each driven by two GE 752 DC traction motors
Solids control	Three Derrick Flo-line linear motion shakers and one Derrick Flo-Line cleaner configured to take the underflow from two desilters and act as a mud cleaner or fourth shaker as operations  require

Power Equipment 

DC	Five Ross Hill SCR units, each rated at 1,600 amps, powering ten GE 752 DC motors
AC	Three EMD 16-645-EB diesel engines, 2,200 hp, driving three EMD 2,625 kva generators

Storage Capacities 

Liquid Mud	1,983
Brine	718 bbl.
Bulk material	8,000 cu. Ft.

BOP Equipment

Diverter system	Vetco KFDJ, 500 psi, 37-1/2” fixed diverter with 16 in. discharge lines and 16 in. hydraulically operated ball valves
21-1/4 in. system	One Shaffer spherical 2,000 psi annular preventer and one Shaffer type LWS 2,000 psi double ram preventer
13-5/8 in. system	One 5,000 psi hydraulic GK annular preventer, two 10,000 psi Cameron type U double ram preventers
Choke Manifold	3-1/16” x 10,000 psi

Other Equipment

Cranes

Four MLT PCM-120 cranes with 100 ft. booms, rated for 50 tons at 24 ft. radius

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