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U.S. Department of Energy
Office of Scientific and Technical Information

Mobile offshore structure for arctic exploratory drilling

Patent ·
OSTI ID:6360595
An offshore exploratory drilling floatable structure ballastable to rest on a sea floor but to extend above water level when so supported and adapted to withstand arctic ice loads, comprising a substantially vertical wall capable of withstanding arctic ice loads; a structural load bearing bottom rigidly connected to a lower portion of the wall; and a floatable vertically displaceable load bearing structural deck inside the wall.
Assignee:
CBI Offshore Inc.
Patent Number(s):
US 4512684
OSTI ID:
6360595
Country of Publication:
United States
Language:
English