Patent
1977-03-07
1978-01-24
Gilliam, Paul R.
61 50, 61 53, E02D 2100
Patent
active
040696804
ABSTRACT:
A system for anchoring drilling or production platforms upon a plurality of posts anchored in the sea bottom or on an artificial island comprises a cylinder structure formed at the top of each of the posts and a plunger depending from a semi-submersible platform adapted to be received with clearance within each of the cylinders. The platform is provided with sand bunkers adjacent the respective plungers and with releasable closures which open upon positioning of the platform above the posts to cause granular material to flow into the cylinder around the respective plungers, thereby cushioning the engagement of the platform by the posts.
REFERENCES:
patent: 3555833 (1971-01-01), Correa
patent: 3704595 (1972-12-01), Launay
Corbin David H.
Gilliam Paul R.
HOCHTIEF AG fur Hoch-und Tiefbauten vorm. Gebr. Helfmann
Ross Karl F.
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