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Location Australia
Drawworks rating 1,200 hp
Load rating 320,000 lbf [1,423,431 N]
Skidding capable Yes
Load count 21
Crane required to move No
Rig 188Advanced-technology-design rig
Schlumberger Land Rigs
Mast Hydraulic telescopic singleMake and model Oil Country Engineering; Hanson
Height 90 ft [27 m]
Static hook load 320,000 lbf [1,423,431 N]
Substructure Step-down/elevatedMake and model Oil Country Engineering; Hanson
Floor height 17 ft [5.2 m]
Clear height 13.4 ft [4.1 m]
Rotary load capacity 320,000 lbf [1,423,431 N]
Traveling assembly Integrated split blockTraveling block Tesco split block
Load rating 500,000 lbf [2,224,111 N]
Topdrive Alternating current variable frequency drive (AC/VFD) integrated into mast
Make and model Tesco 250-EMI-400
Load rating 500,000 lbf [2,224,111 N]
Max. drilling torque 24,000 ft.lbf [32,500 N.m]
Breakout torque 32,000 ft.lbf [43,400 N.m]
Rotary table or slip table Hydraulic driveTable opening size 201/2 in [521 mm]
Mud pumps AC/VFDMake and model Two Honghua HHF-1000
Max. input horsepower 1,000 hp
Mud system Three-tank system with integrated mud-gas separatorActive (usable) volume 767 bbl [122 m3]
Number of tanks Three tanks; seven compartments
Shale shaker Two Derrick FLC 504
Power generation Sound attenuated to 85 dB at 3 ft [1 m]Make and model Three Caterpillar C32
Horsepower rating 1,250 hp
Kilowatt rating 910 kW
Well controlAnnular preventer T3 Energy Model 7082
Pressure rating 5,000 psi [34.5 MPa]
Opening size 11 in [280 mm]
Ram preventer T3 Energy double-ram Model 6011i
Pressure rating 5,000 psi [34.5 MPa]
Opening size 11 in [280 mm]
Choke manifold Cameron single gut (two chokes)
Pressure rating 5,000 psi [34.5 MPa]
Size 31/8 × 21/16 in [79 × 53 mm]
Rig 188
*Mark of Schlumberger or a Schlumberger company. Other company, product, and service names are the properties of their respective owners. Copyright © 2016 Schlumberger. All rights reserved. 16-LR-113394
slb.com/LandRigs
Accumulator Control Technology Inc.
Number of stations 7
Total volume 154 galUS (14 11-galUS bottles)
Pressure rating 3,000 psi [20.7 MPa]
Mud-gas separator Closed bottom (ASME rated)
Vessel diameter 36 in [914 mm]
Fuel tank Transtank dual wallCapacity 188 bbl [30,000 L]
Water tankCapacity 440 bbl [70,000 L]
Additional equipmentSkidding system Hydraulic lift and roll with roller matting
Catwalk Skate-style Power Catwalk (RIII)
Pipe spinner NOV ST-80CL
Stabbing arm Hydraulically actuated
Power slips Hydraulically actuated
Rig layout
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