The safe storage and transportation of LNG at a myogenic temperature of-163°C was one of the most formidable challenges that the marine industry has ever faced. The industry now has the additional challenge of safe storage of LNG on permanently moored facilities, where tanks may be required to operate in part-filled conditions, at exposed offshore locations. Shell's decision to use double-row membrane LNG storage tanks for its massive Prelude FLNG project was a significant sign of confidence in this technology.
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