Sea1 Offshore has signed shipbuilding contracts with Cosco Shipping for two additional high-end Offshore Energy Support Vessels (OESVs), following the initial order announced on 4 November 2024. The vessels, based on the same advanced design as the first two, will be equipped to support both oil & gas and renewable energy markets, reinforcing Sea1 Offshore’s commitment to versatile and sustainable offshore operations.
Designd by Skipsteknisk the ST-245 design is developed to the meet the specifications set by the market and by SEA1 Offshore.
The vessels will be 120 meters in length, featuring a spacious open deck of 1,400 m² and accommodation for up to 120 people. They will be equipped with a 250-ton subsea crane and two integrated WROV hangars with side-launch capability. The designs are also prepared for the future installation of an offshore gangway, making them suitable for offshore wind operations.
The ST-245 designs will be equipped with modern technology to reduce emissions and maximize operational efficiency. They are methanol-ready, and the generators can operate on 100% biofuel, offering a flexibility that customers will appreciate
The ST-245 Offshore Energy Support Vessels will mainly be used for:
- Commissioning and recycling work
- Support for the energy industry
- Subsea operations
Sea1 Offshore aims to be a leading vessel provider to the offshore oil and gas and renewable industry, based on quality and reliability. With a modern fleet of vessels and a skilled workforce of 1200 employees offshore and onshore we are positioned to maintain a strong presence in the market.
