CoreMarine and Jumbo Offshore have won the installation and hook-up scope in Argentina for the FLNG Hilli Episeyo and the FLNG MKII. The contract was awarded by Southern Energy S.A. (SESA), which is supported by a consortium comprising Pan American Energy, YPF, Pampa Energía, Harbour Energy, and Golar LNG.
The award covers one of Argentina’s key gas export developments as the country moves to expand export capacity. Under the contract, CoreMarine will serve as lead contractor and will engage Jumbo Offshore for the transport and installation of the SSY mooring system, including heavy lift and piling work.
The offshore scope will then continue with diving and construction activities, including spool installation, ballasting, riser hook-up, pre-commissioning, positioning, and hook-up of the two FLNG units. The campaign is set to involve simultaneous offshore operations across heavy lifting, riser installation, piling, spool installation, saturation diving, and multi-vessel Simops.
The work will require several offshore assets, including DSVs, support vessels, and station-keeping tugs. Ben Fitzgerald, CEO of CoreMarine, said the project ranks among the most complex offshore construction campaigns and added that the company aims not only to complete both FLNG installations but also to help build local capability for future offshore work in the region.
The SSY systems, supplied by NOV, will allow both FLNG units to weathervane around a single mooring point in line with environmental forces. According to the project parties, this approach offers a cost-efficient alternative by avoiding fixed infrastructure such as jetties.
Project management and engineering started in January 2026. Installation of the FLNG Hilli Episeyo is scheduled for 2027, while the FLNG MKII is due to follow in 2028. The campaign will mark the first use of SSY technology in Argentine waters.
