HEA Energy to acquire Seaway7 heavy transport vessel fleet

The transaction will transfer Seaway7's heavy transportation business and fleet of semisubmersible vessel assets to HEA Energy and fulfills a divestment commitment tied to the planned Subsea7-Saipem merger.

Jeremy Beckman

Related To:

Subsea7

Nov. 11, 2026

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Why this news matters:

The divestment fulfills a condition associated with the proposed Subsea7-Saipem merger, making it relevant to offshore contractors and investors following industry consolidation.
The sale transfers control of a specialized fleet of heavy transportation vessels used to move large offshore structures and project components.
The acquisition expands HEA Energy's offshore marine capabilities while reshaping ownership of a niche but important segment of the offshore vessel market.

Seaway Hawk semisubmersible heavy-lift vessel — Seaway7 says its Seaway Hawk is among the top five largest semisubmersible heavy-lift vessels in the world.

Subsea7 subsidiary Seaway7 has agreed to sell its heavy transportation business to Abu Dhabi-based HEA Energy, with the transaction expected to close in the first half 2027.

The business divestment was one of the arrangements referenced in Subsea7’s merger agreement with Saipem.

Seaway7 owns five open deck semisubmersible heavy transportation vessels, with another chartered from a third-party.

These are the Seaway Albatross, Seaway Eagle, Seaway Falcon, Seaway Hawk, Seaway Osprey, and Seaway Swan.

Semisubmersible heavy transport vessels are used to move offshore platforms, jackets, FPSOs, drilling rigs and other oversized structures between fabrication yards and offshore locations.

About the Author

Jeremy Beckman

Staff Writer / Editor, Europe

Jeremy Beckman has been Editor Europe, Offshore since 1992. Prior to joining Offshore he was a freelance journalist for eight years, working for a variety of electronics, computing and scientific journals in the UK. He regularly writes news columns on trends and events both in the NW Europe offshore region and globally. He also writes features on developments and technology in exploration and production.