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The Fleet  Our Rigs  List by Name  GSF High Island VII

Fleet Specifications

GSF High Island VII
250 Foot Jack-up

General Description 

Design Marathon LeTourneau 82-SD-C graphic
Overall dimensions 207 x 176 x 20 ft.
Spud can diameter 40 ft.
Legs (3) 360 ft. long triangular
Quarters capacity 94 persons 
Operating water depth 250 ft. 
Cantilever envelope 35 ft. by 24 ft.
Maximum cantilever extension (transom to rotary) 47 ft.
Maximum variable load (drilling) 3,402 kips

Drilling Equipment 

Derrick 160 ft. x 30 ft. DSI, with a static hook load capacity of 1,000,000 lbs. with twelve lines
Drawworks National 1320 UE, 2,000 hp, driven by two GE 752 DC motors, and a Baylor 7838 auxiliary electric brake
Rotary table National-Oilwell C-375, 37-1/2 in. driven by independent DC electric motor with two speed gear box
Top Drive Varco TDS-3H, 500 short tons, continuous drilling torque rating 27,600 ft.-lbs., with a Varco PH-60 pipe handler 
Mud Pumps Two National-Oilwell 12-P-160, 1,600 hp triplex pumps each driven by two GE 752 DC traction motors, rated to 5,000 psi.
Solids Control 3 x Swaco BEM 600, 1 X 16 cone desilter, 1 x 3 cone desander.
Instrumentation Petron IDS 2000 Main Driller’s Display Console and Electronics with Petron Computer Assembly Workstation.

Power Equipment 

DC Four Ross Hill SCR units, 2000 amps each, powering seven drilling motors
AC Four Caterpillar D-399TA diesel engines, 1,200 hp, driving four KATO 600 volt, 800 kw generators

Storage Capacities 

Liquid Mud 1,323 bbls. 
Bulk material 8,500 cu. ft.

BOP Equipment

Diverter  Hydril MSP 2000,  2,000 psi, 21-1/4 in.  diverter with two 12 in.  discharge lines and 12 in. hydraulically operated ball valves
BOP stack  13-5/8 in. 10,000 psi WP BOP stack, with two Cameron U double ram preventers, one Hydril GK 13-5/8 in. 5,000 psi WP annular  
BOP handling 2 x 37.5 short ton hoist and trolley handling system

Other Equipment

Cranes Three Marathon LeTourneau PCM-120 cranes, 100 ft. booms, rated for 50 short tons at 24 ft. radius

Special Features 

Cantilever extensions 7 ft. pin on extensions are available to increase the maximum skid out distance to 47 ft. aft of the stern and drilling envelope to 42 ft. x 24 ft.

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