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Transocean
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Rig Data: GSF Aleutian Key
Rig Name: GSF Aleutian Key
Rig Manager: Transocean Ltd.
Rig Owner: Transocean Ltd.
Competitive Rig: Yes
Rig Type: Semisub
Semisub Generation: 2
Rig Design: Friede & Goldman 9500 Enhanced Pacesetter Column stabilized semi-submersible drilling unit
Rated Water Depth: 2,300 ft
Drilling Depth: 25,000 ft
rig photo
Rig Contract & Operating Status
Operating Status: Drilling
Operator: Sonangol (NOC)
 
Contract start date, day rate, date available, future contract details, and more available via RigLogix.
  
Rig Location
Region: Africa - West
Country: Angola
Current Water Depth: --
Location start date, end date, well location, past and future locations, and more available via RigLogix.
Rig Construction Details
Classification: ABS
Rig Design: Friede & Goldman 9500 Enhanced Pacesetter Column stabilized semi-submersible drilling unit
Built By: Mitsui  at the Tamano Japan shipyard
Delivery Year: 1976
Flag: Panama
Construction costs, dimensions, capacities, and dozens of other fields of data on each rig are available via RigLogix.
  
Rig Equipment
Derrick: Pyramid 182' x 40' x 40'; Hook + Setback: 1,000,000 lbs
Drawworks: National Oilwell E-3000 2,000 HP
Mud Pumps: 3 x National Oilwell A-1700-PT triplex each driven by two GE 752 traction motors, 1700 HP
Top Drive: Varco TDS-4S 650 ton, with a GE 752 DC hi-torque motor, rated to 45,500 ft.-lbs. continuous drilling torque in low grea, complete with a PH-85 pipehandler
Rotary Table: National Oilwell 49.5 in. diameter with independent drive using a GE 752 DC motor with 2-speed transmission
Detailed specs on each piece of rig equipment from BOPs to Winches are available via RigLogix. More than 100 searchable data points.