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

Patent · Tue May 26 04:00:00 EDT 1987

OSTI ID:6530184

Steele, J E

This patent describes a mobile, offshore, jack-up marine platform adjustable for sloping sea floor comprising: a mat; a tiltable column formed from hollow tubular legs, each leg pivotally attached to the mat; means on at least one leg for independently vertically raising and lowering such leg with respect to the mat, to tilt the column; a jack-up work platform slidably mounted through its central portion on the column; and 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. Each jack-up means includes a first and second vertically spaced pair of pin boxes spanning a portion of each leg.

• Assignee: Bethlehem Steel Corp., Bethlehem, PA
• Patent Number(s): US 4668127
• OSTI ID: 6530184
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
423000 -- Engineering-- Marine Engineering-- (1980-)
APERTURES
CYLINDERS
DESIGN
HOISTING
INCLINATION
MATERIALS HANDLING
MOORINGS
NATURAL GAS WELLS
OFFSHORE PLATFORMS
OIL WELLS
OPENINGS
PISTONS
SEA BED
WELLS