A method and an apparatus for establishing a hydrate free regime in a subsea production flowline before discharging into the subsea production flowline a production flow of hydrate prone hydrocarbon product pursuant to a shutdown or at an initial start of production. The hydrate free regime is achieved by injecting into the flowline a heated water volume in advance of discharging the hydrocarbon product from the subsea production system.
https://app.acclaimip.com/pdf/wsvfAXnzu5kiy99knPO7lUmtOigS5J3nQUAjfMM/US8327942B2
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