Patent
1974-08-15
1976-06-29
Gilliam, Paul R.
61 5374, 61 82, 37 57, E02D 724, E02D 2752
Patent
active
039656870
ABSTRACT:
An apparatus for anchoring a structure, such as a drilling platform, to a floor of a body of water has a movable jet nozzle operably disposed in a chamber which is lowered to the floor of a body of water. The jet nozzle is operable to slurry a portion of the floor underlying the chamber, and a pump is provided to evacuate the slurried portion of the floor to provide an excavation into which the apparatus may be lowered. Another pump may depressurize the chamber to provide a pressure differential to hydrostatically urge the apparatus towards the floor of the body of water.
REFERENCES:
patent: 1063942 (1913-06-01), Phillips
patent: 3128604 (1964-04-01), Sandberg
patent: 3263641 (1966-08-01), Stimson
patent: 3769803 (1973-11-01), Finney
patent: 3839875 (1974-10-01), Matsushita
patent: 3894771 (1975-07-01), Nezat
patent: 3911687 (1975-10-01), Mo
Corbin David H.
Gilliam Paul R.
J. Ray McDermott & Co. Inc.
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