Multi-component offshore platform

Details Multi-component offshore platform Multi-component offshore platform

1975-06-10

1977-01-04

Gilliam, Paul R.

61 50, 61 89, 61 94, 61 95, 61100, L02B 1700

Patent

active

040006247

ABSTRACT:
A multi-component offshore platform having a floatable and ballastable central column with a base that is adapted to rest on the bottom of the sea. The column is towed to its site while floating and then upended and ballasted to sink the base to the proper site. A hitch collar is slidably arranged around the central column. At least three inclined legs, which may each be separately floatable for towing to the site and are ballastable for sinking, are hingedly secured to the hitch collar. The collar is then lowered on the central column to a desired height and secured there. The legs then are swung down by ballasting. Each leg has a foot which is hinged to one extremity of its leg for engagement with the ocean floor. The superstructure can then be placed on the top of the central column.

REFERENCES:
patent: 2775095 (1956-12-01), Harris
patent: 2901890 (1959-09-01), Hutchinson
patent: 2941370 (1960-06-01), Walker
patent: 2942424 (1960-07-01), Koble
patent: 3380256 (1968-04-01), Rebikoff
patent: 3738113 (1973-06-01), Madary et al.
patent: 3811289 (1974-05-01), Bassett
patent: 3852969 (1974-12-01), Gibson et al.
patent: 3898847 (1975-08-01), Magnanini
patent: 3913335 (1975-10-01), Heien
patent: 3928982 (1975-12-01), Locroix

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