Stena IceMAX is the world’s first dynamically positioned, dual mast ice-class drillship. The Stena IceMAX is a Harsh Environment DP Class 3 drillship capable of drilling in water depths up to 10, 000ft. The IceMAX has on-board 2 x BOP’s, each 18¾” x 15,000psi Cameron “TL” BOP c/w ST Locks, and uses Cameron Load King riser.

General Information

Rig Type Dynamically Positioned Drillship
Design Mono-Hull Ice Class Drillship
Construction Yard Samsung Heavy Industries
Year Delivered 2012
Classification DNV: +1A1 PC-4 Winterized Cold (-20 °C) (-30 °C) Ship-shaped Drilling Unit (N) HELDK-SH CRANE E0 F-AM DYNPOS-AUTRO DRILL(N)
Flag UK
Station Keeping DP Class 3, Konsberg K-POS 32
Max Water Depth 10,000ft (upgradable to 12,000 ft)
Max Drilling Depth 35,000ft (upgradable to 40,000 ft)
Helideck Designed for EH-101 and S-92
Accommodation 180 persons (upgradable to 220 persons)

Dimensions/ Loading

Length 228m
Breadth 42m
Moonpool 25.6m x 12.48m
Operating Draft 12m
Transit Draft 8.5m
VDL (Operating) 17,500Mt @ 12m

Drilling Equipment

Mast/Derrick NOV Dual Hoisting & Drilling Tower
Hoist/Drawworks 907Mt (Main), 544Mt (Aux)
Motion Compensator Active & Passive (Main Well): 1,040,000 lbs/472 MT (Upgradable to 2,500,000 lbs)
Active & Passive (Aux Well): 840,000 lbs/381 MT
Top Drive Main Well: NOV HPS 1000 (Upgradable to 1250T Topdrive)
Aux Well: NOV HPS 750
Pipe Handling NOV Dual Hydra - Racker 3 ½” to 13⅝”
Offline Stand Build 1 x Off Line Stand Build + Torque Master
Mud Pumps 4 x National FC2200 – 7500psi
Shale Shakers 5 x NOV - VSM300

Well Control Equipment

BOP 18 ¾” x 15K Cameron TL (6 Ram)
Annulars 2 x Cameron DL Annular 10K
Wellhead Connector 1 x 18 ¾ GE Vetco H4-SHD
Control System Cameron MUX (BOP Fluid recovery sys)
Riser 7,500’ Cameron LoadKing 3.5 (80’ Joints)
Riser Tensioners 6 x N-Line tensioner system 2,500 Kips
Choke & Kill Manifold Cameron 3 1/16” – 15K
Diverter GE Vetco – CSO 500 – 60 ½” – 500psi


Liquid Mud Active: 1004m³
Storage: 2345m³
Waste: 502m³
Drill Water 4,350m³
Potable Water 1,778m³
Fuel Oil 16,565m³
Bulk Cmt 472 m³ / 472 m³
Base Oil 490 m³
Brine 490 m³
Sack Material 7,500 sacks
Bulk Barite/Bentonite 420m³

Machinery/ Hoisting/ Station Keeping Equipment

Main Power 6 x Genset: Wartsila 16V32
Generator Rated Output: 9312kVA
Emergency Power Integrated in main power
DP System DP 3 (Kongsberg) :2 x HiPaP, 3 x DGPS, 2 x LTW
Thrusters 6 x RR UUC-505, 5.5MW
Mooring system 2x 12.675Mt Anchors
Deck Cranes 4 x NOV KBC each rated for 85t/34t/17t.
1 x NOV Pipe handling KBC rated for 7.0t/3.5t.
Riser Crane NOV Gantry Crane 2x20Mt (w/o yoke)
BOP Handling 350Mt Moonpool Skid x 175Mt BOP overhead Crane

Fleet Availability

■ Hot Stacked | ■ Operational