Allseas Other service
Platform Decommissioning
Single-lift removal of complete offshore topsides up to 60,000 tonnes and jackets up to 20,000 tonnes with Pioneering Spirit, with transport to shore.
Description
Allseas' Pioneering Spirit, described as the world's largest and most versatile construction vessel, uses motion-compensated single-lift technology, dynamic positioning and a cargo barge transfer system to remove complete topsides and jackets in a single operation and bring them onshore for disposal and recycling.
Key features
- Topsides lift up to 60,000 tonnes
- Jacket lift up to 20,000 tonnes
- Over 250,000 tonnes of North Sea platform facilities removed and transported since 2016
Applications
- Removal of Shell's Brent Delta, Bravo, Alpha and Charlie platforms (2017–2024)
- Removal of the 23,000-tonne Ninian Northern platform
- North Sea decommissioning campaigns
Specifications
| Topsides lift | up to 60,000 tonnes |
|---|---|
| Jacket lift | up to 20,000 tonnes |
| Removed since 2016 | over 250,000 tonnes |
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