Drilling platform
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United States of America Patent
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Jul 29, 1986
Grant Date -
N/A
app pub date -
Jun 14, 1983
filing date -
Jun 15, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An off-shore drilling platform or the like supported by support legs standing on the bottom of the sea is converted to withstand ice pressure occurring in ice filled waters by providing those portions of said drilling platform, which are to be protected against ice pressure, with protective structures below the platform. The drilling platform and/or the protective structures are then, when ice occurs, lowered along the support legs to a level where the protective structures partly extend below the surface of the ambient water.
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