E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/7
E02B 17/00 (2006.01) E02B 17/02 (2006.01) E02D 23/00 (2006.01) E02D 27/32 (2006.01)
Patent
CA 1141977
ABSTRACT OF THE DISCLOSURE A method and apparatus for forming an off-shore ice island structure in waters which normally freeze in the winter. The ice island is useful as a base for oil field operations, for oil and gas storage, for docking ships during thaw periods, and the like. The structure comprises a plurality of elongated hollow wall elements adapted to be vertically oriented and assembled in open water to form a bounded area. The elements become frozen in place during the winter and the bounded area is intermittently flooded at intervals to permit accumulation of ice sufficient to sink the ice island to the marine bottom, Additional wall elements are added to the first wall elements to form upward continuations to contain the flooding water and accumulated ice. Pumps are provided to convey water to the upper surface of the island for freezing, and to carry off brine during the freezing process. Refrigeration equipment can be utilized to keep the ice island in a frozen condition during seasonal thaws. The island can be adapted to be moved to other sites during thaw periods.
359074
Bishop Gilbert H.
Fetherstonhaugh & Co.
LandOfFree
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