Prelude FLNG is a floating liquefied natural gas (FLNG) platform owned by Shell plc and built by the Technip–Samsung Consortium (TSC) in South Korea for a joint venture between Royal Dutch Shell, KOGAS, and Inpex.

The Turret Mooring System was subcontracted to SBM and built in Drydocks World Dubai, United Arab Emirates.

The MEG (monoethylene glycol) reclamation unit by Fjords Processing Norway and built in South Korea is the only topside module subcontracted.

[5] Shell estimated in 2014 that the project would cost up to US$3.5 billion per million tons of production capacity.

Competitive pressures from an increase in the long-term production capabilities of North American gas fields due to hydraulic fracturing technologies and increasing Russian export capabilities may reduce the actual profitability of the venture from what was anticipated in 2011.

[13][23] As a result of repeated environmental and safety mishaps, NOPSEMA ordered the supermajor to not resume production for an indefinite period of time, pending Shell's ability to prove updated practices.

According to NOPSEMA, Shell "did not have a sufficient understanding of the risks of the power system on the facility, including failure mechanisms, interdependencies, and recovery", adding that "power loss directly impacted critical safety systems along with the ability to safely evacuate crew by boat or helicopter.

[27] At nearly 5 m (16 ft) long, the model currently resides in the foyer of Shell's head office in Perth, Australia.