STENA DON

Stena Don is a harsh environment semi-submersible unit; suitable for drilling, completion and workover operations. Stena Don has both a DP3 class dynamic positioning system and POSMOOR ATAR 8-point mooring systems allowing for operations in water depths up to 650m.

GENERAL INFORMATION
Rig Type HARSH ENVIRONMENT SEMI SUBMERSIBLE
Design Twin Pontoon, 6 Columns CS30
Construction Yard Kvaerner Warnow Werft Shipyard, Germany
Year Delivered DELIVERED IN 2001 WITH MAJOR UPGRADES IN 2010, 2015 & 2018
Classification DNV: +1A1, COLUMN STABILIZED DRILLING UNIT STRUCTURE(N), CRANE-OFFSHORE, DRILL (N), DYNPOS AUTRO, E0 HELDK, POSMOOR(ATAR) RECYCLABLE UKVS
Flag UK
Station Keeping KONGSBERG K-POS DP-21
Max Water Depth 650m
Max Drilling Depth 8,500m
Helideck DESIGNED FOR SIKORSKY S-92 / EH-101
Accommodation 140 persons
DIMENSIONS / LOADING
Length 72.25m
Breadth 67m
Moonpool 7m x 21.5m
Operating Draft 21.5m
Transit Draft 12m
VDL (Operating) 5,427 MT
DRILLING EQUIPMENT
Mast/Derrick Hydralift 750/36
Hoist/Drawworks Hydralift Hydraulic Lift System 680 Mt
Motion Compensator Hydralift 680 Mt locked
Top Drive Hydralift HPS 750 2E AC (TD)
Pipe Handling Hydralift – Hydra Racker III
Mud Pumps 3 x Continental Emsco FC-2200
Shale Shakers 4 x Axiom AX-1
WELL CONTROL EQUIPMENT
BOP CAMERON TL 18 3/4” 15,000 PSI WP
LMRP 1 x CIW DL Annular 10K 18 3/4 “
Wellhead Connector Vetco H4 ExF
Control System CAMERON MK III MUX SYSTEM
Riser Cameron 21” LK 2.0 / RF
Riser Tensioners 8 x 160 kips Stroke -15.24m Hydralift
Choke & Kill Manifold Cameron 3 1/16” API - 15,000 psi
Diverter GE Vetco – KFDS – CSO – 60 1/2”
CAPACITIES
Liquid Mud Active 631 M³, 3,971 bbl
Reserve 398 M³, 2,503 bbl
Drill Water 904 M³, 5,683 bbl
Potable Water 520 M³, 3,271 bbl
Fuel Oil 3,752 M³, 17,611 bbl
Bulk Cmt 237 M³, 1,488 bbl
Base Oil 260 M³, 1,635 bbl
Brine 669 M³, 4,210 bbl
Sack Material 2000 SACKS
BULK BARITE/BENTONITE 240 M³, 1,508 bbl
MACHINERY / HOISTING / STATION KEEPING EQUIPMENT
Main Power 9 x Wartsila 16V24 Generators Rated Output: 4375kVA
Emergency Power Integrated in main power
DP System Kongsberg K-Pos DP-32 dual redundancy
Thrusters 6 x Rolls Royce UUC5001
Mooring system 8 X VRYHOF STEVPRIS MK6 ANCHORS
VICINAY 76MM R5 CHAIN FOR 1,800M
ONBOARD CAPACITY FOR 2,300M
Deck Cranes Hydralift Knuckle Boom OKMCVC 4000
BOP Handling 320 MT HYDRALIFT BOP TROLLEY
320 MT BOP OVERHEAD CRANE

Fleet Availability

Contracted Commitments

Available / Hot Stacked

Preparing for Upcoming Contract

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