General information
| Client | Statoil ASA |
| Project | Statoil Sleipner Vest Alfa |
| Year | 2004 |
| Location | North Sea |
| Vessels | Lorelay |
| Max. water depth | 110 m (361 ft) |
Statoil Sleipner Vest Alfa
Scope of work
- Installation
- Trenching
- Backfilling
Project specials
- Post weld heat treatment
- Flooded lay for stability
- J-tube pull-in of riser pipe
Trunklines:
- Crossing of LNG shipping channel by means of pipe pull over seabed
- 4 midline tie-ins (on the sides of the shipping channel)
- Shore pull-in of piggy-backed pipeline
Pipe characteristics
| Length (km/miles) | OD (inch) | WT (mm) | Steel grade |
|---|---|---|---|
| 0.14/0.09 | 12 | 17 | 13% Cr |
| 0.6/0.4 | 16 | 19 | 13% Cr |
| 17.2/10.7 | 16 | 17 | 13% Cr |
