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Two new OSCVs for Siem Offshore

Wednesday, October 28 2026

Newbuilding

Siem Offshore has ordered two Offshore Subsea Construction Vessels (OSCVs) at Fujian Mawei Shipbuilding in China, with delivery scheduled for 2029 and 2030.

Each vessel will be equipped with a 400-tonne AHC subsea crane and a 50-tonne AHC subsea crane, providing substantial lifting capacity for subsea construction and offshore support operations.

Designed by Sirius Design & Integration in close cooperation with the Siem team and the shipyard, the vessels will measure approximately 145 metres in length, with a beam of 27 metres, and focus on operational flexibility and energy efficiency.

Related posts:

  1. Contract Award – OSCV Siem Spearfish
  2. Contract extension for Siem Barracuda
  3. DFO contracts VARD for one Offshore Subsea Construction Vessel
  4. New offshore field support vessel for Maersk

Filed Under: International News, Newbuilding, OSCV, Siem Offshore Tagged With: Newbuilding, OSCV, Siem Offshore

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