Sun Oil Company

Holland James Berry

George W Morgan

A mobile monopod operations platform for use in ice covered seas and adapted for carrying out two modes of ice disaggregation, either or both such modes being selectively useable during either transit or relatively stationary operations. An ice breaker bow is employed in conjunction with simulated pitching and heaving brought about by the programmed use of a plurality of fully vectorable thrusters on a submersible hull. At the stern of the monopod structure, counter-rotating cutting drums are utilized for ice disaggregation in a mode particularly useful when the ice is thick. Topside of the bow and cutter area, an enclosed, generally circular, superstructure is provided for carrying out the requisite operations while mitigating the adverse effects of high winds. The aforementioned fully vectorable thrusters are available to facilitate both movement of the platform to a select operational position and to maintain stability during the required operations as well as to simulate the pitching and heaving motions required for bow breaking of the ice sheet.

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Calgary, Canada

Holland James Berry