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
Option Commitments
Available / Hot Stacked
Preparing for Upcoming Contract
