Harsh Environment Semi-Submersible
Nordic Spring (B379)
Specifications
| General Information | |
|---|---|
| Design | CS60 ECO MW |
| Flag/Class | Vanuatu |
| Dimensions | 130 m length 92 m breadth |
| Draft | 23.5 m |
| Displacement | 63,000 mt |
| Variable Load | 5,000 mt |
| Accommodation | 140 persons |
| Helideck | 22 m x 22 m |
| Max Water Depth | 1,500 m |
| Max Drilling Depth | 10,000 m |
| Drilling Package | |
|---|---|
| Derrick | MH Wirth Ramrig |
| Hook Load | 950 mt |
| Top Drive | MH Wirth DDM-1000-AC-2M |
| Drawworks | MH Wirth Ramrig |
| Rotary Table | MH Wirth Hydraulic |
| Compensator | Active / Passive |
| Tubular Handling | MH Wirth Vertical Pipe Racker 135 |
| Mud Pumps | 3x MH Wirth GmbH |
| HP Mud System | 7,500 psi |
| Shale Shakers | 5x NEC Dual Pool 626 VE |
| Station Keeping | |
|---|---|
| Dynamic Positioning | POSMOOR (ATAR) |
| Anchor Winches | 4x Rolls Royce |
| Anchors | 8x Stevpris Mk 6 |
| Thrusters | 4x Indar |
| Transit Speed | 7.8 knots |
| Subsea Equipment | |
|---|---|
| BOP | NOV 18-3/4", 15,000 psi, 5 ram |
| Diverter | NOV 500 psi |
| Annular | NOV 10,000 psi |
| Wellhead Connector | NOV CMX-1527 |
| Marine Riser | MH Wirth QTR4000LS |
| Tensioners | 8x MH Wirth YD171 |
| Moonpool | 36.9m x 8.5 m |
| BOP Handling | 400 MT overhead crane |
| Storage Capacities | |
|---|---|
| Fuel | 3,700 m³ |
| Drill Water | 1,600 m³ |
| Potable Water | 600 m³ |
| Active Liquid Mud | 950 m³ |
| Reserve Liquid Mud | 1,300 m³ |
| Bulk Bentonite / Barite | 420 m³ |
| Bulk Cement | 420 m³ |
| Sack Storage | 5,000 sacks |
| Power | |
|---|---|
| Main Engines | 5x Rolls Royce |
| Crane | |
|---|---|
| Primary Crane | 4x 100T NOV |
| X-mass Tree Crane | 2x MH Wirth |
The above information is intended for informational purposes only. Actual equipment and specifications may vary based upon subsequent changes, the contract situation and customer needs.