Allseas Other service
Offshore Pipelay
S-lay installation of oil, gas and carbon capture pipelines from shallow to ultra-deep water using Allseas' in-house designed pipelay vessels and barges.
Description
Allseas pioneered deepwater S-lay and DP pipelaying and has installed over 30,000 kilometres of subsea pipelines. Pipe joints are welded, inspected and coated in the firing line and paid out over a stinger in an S-curve to the seabed.
Key features
- Pioneering Spirit – 2000 tonnes S-lay tension capacity
- Solitaire – 1050 t holding capacity, record depth of 2775 m, 22,000 tonnes pipe cargo capacity, over 13,000 km installed
- Audacia – 225 m DP pipelay vessel with hybrid power, optimised for CRA pipe and SURF scopes
- Lorelay – world's first DP pipelay vessel (1986), over 10,000 km installed
- Sandpiper – anchor-positioned shallow-water barge for depths up to 150 m, pipe up to 60 inches, 800-tonne crane
- Tog Mor – shallow-water multi-purpose barge, pipe diameters 2–60" OD
Applications
- Oil and gas export pipelines and trunklines
- Carbon capture pipelines
- Shallow-water and landfall pipelay
Specifications
| Pioneering Spirit S-lay tension | 2000 tonnes |
|---|---|
| Solitaire holding capacity | 1050 t |
| Solitaire record depth | 2775 m |
| Solitaire pipe cargo capacity | 22,000 tonnes |
| Sandpiper max water depth | 150 m |
| Pipe diameter range (Tog Mor) | 2–60 in OD |
More from Allseas
Featured services
All services →
Inspection, Survey & Testing
General Dynamics Mission Systems
Submarine Test & Evaluation Services
Dockside and at-sea testing supporting submarine Integrated Combat System certification, weapon system accuracy trials and developmental/operational test.
Other service
Commercial Diving
In-house certified commercial diving including surface/mixed-gas diving to 299 ft and saturation diving 250-1200 ft; ADCI member with company-owned equipment.
Rental / Leasing
ABS Ocean Barge Charter
ABS-classed A-1, Maltese Cross oceangoing deck barges, US-flagged and Jones Act compliant, from 140' x 40' x 9' up to the 400' x 99'9" x 20' MARMAC 400.