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

Mobile, offshore, jack-up, marine platform adjustable for sloping sea floor

Patent ·
OSTI ID:5562781
A mobile, offshore, jack-up, marine platform adjustable for sloping sea floor is described which consists of: (a) a mat; (b) a tiltable column having a plurality of hollow tubular legs, each leg pivotally attached to the mat; (i) means on at least one leg for independently vertically raising and lowering such leg with respect to the mat, to tilt the column; (c) a jack-up work platform slidably mounted through its central portion on the column, the work platform having a pair of parallel fixed cantilevered arms extending outwardly from the central portion and a ballastable portion opposite the cantilevered arms; (d) a skid unit movably mounted on the cantilevered arms of the work platform; and (e) a jack-up means interconnected between the work platform and each leg of the column for vertically moving the work platform with respect to the mat.
Assignee:
Bethlehem Steel Corp., Bethlehem, PA
Patent Number(s):
US 4583881
OSTI ID:
5562781
Country of Publication:
United States
Language:
English