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The Fleet  Our Rigs  List by Name  GSF Compact Driller

Fleet Specifications

GSF Compact Driller
300 Foot Jack-up Drilling Unit

General Description 

Design MLT 116-C graphic
Overall dimensions 243 by 200 by 26 ft.
Legs (3) 410 ft. long square
Quarters capacity 120 persons 
Operating water depth 300 ft. 
Jacking system MLT electrically driven rack and pinion system
Cantilever envelope 45 ft. by 30 ft.
Maximum variable load (drilling) 7,372 kips *
 
*100 ft. WD; 70 knot wind; 25 ft. wave; 3 knot current

Drilling Equipment 

Derrick 170 ft. by 30 ft. M.H. Pyramid, with a static hook load capacity of 1,500,000 lbs. with twelve lines.  Able to pick up pipe and rack offline using a dedicated derrick bridge crane.
Drawworks National 1625 UBDE, 3,000 hp, driven by three GE 752 DC motors, with hydraulic disc brakes and Baylor 7838 electric brake
Rotary table National D-495 750 ton rating with independent drive using a GE 752 DC motor with 2-speed transmission
Top drive National-Oilwell PS-2, 650-ton power swivel with an open loop cooling system, rated to 58,570 ft.-lbs. continuous torque in low gear
Mud pumps Two National 12-P-160, 1,000 hp triplex pumps each driven by two GE 752 DC traction motors
Solids control Three Brandt Rigtech / VSM 300 Balanced Eliptical Motion shale shakers

Power Equipment 

DC Four Ross Hill SCR units, each rated at 1,400 amps, powering eight GE 752 DC motors
AC Four Caterpillar 3516-A diesel engines, 1,615 hp at 1,200 rpm, driving four Caterpillar SR-4, 1,400 kw generators

Storage Capacities 

Liquid Mud 1,962 bbl.
Base oil 850 bbl.
Brine tank 1000 bbl.
Bulk material 10,880 cu. ft.

BOP Equipment

Diverter system Drilquip 500 psi fixed diverter, 49-1/2 in., with two 16 in. discharge lines and two 16 in. hydraulically operated ball valves
13-5/8 in. system One 5,000 psi Shaffer bolted type annular preventer, one 10,000 psi Cameron type U double ram preventer and one 10,000 psi Cameron type U single ram preventer

Other Equipment

Cranes Three MLT PCM-120AS cranes, with 100 ft. booms, rated for 49 tons at 24 ft. radius

Special Features 

Waste handling Environmentally sensitive system featuring collection, treatment and discharge systems for all collected liquids
Certification 1989 IMO-MODU (Resolution A.649 (16))
CTU 400 kip conductor tensioning unit
Torque unit Two Varco Spin Torq-80 pipe spin torque unit
Under drill floor wireline beam To allow offline simultaneous operations
3 Mouse holes Dedication to offline tubular handling

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