Subsea foundation

Details Subsea foundation Subsea foundation

1980-01-07

1982-11-23

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

E02D 2302

Patent

active

043602916

ABSTRACT:
A recoverable or permanent rigid subsea form having retaining walls to contain fill material to stabilize, raise and/or provide a level surface above the sea floor. Portions of the retaining walls comprise hollow tanks that are alternately flooded and emptied to control the buoyancy of selected portions of the form. Alternatively, the retaining walls comprise solid plates. Means are provided in the retaining walls for allowing offshore equipment to pass into and out of the form.
The form is set in place on or below the sea floor and the fill material is placed in the form. The fill material is leveled by gravity or other means to form a level surface at the desired elevation. Drilling and/or production equipment can then be placed on the level subsea surface.

REFERENCES:
patent: 1716190 (1929-06-01), Savage
patent: 2551375 (1951-05-01), Hayward
patent: 2939290 (1960-06-01), Crake
patent: 2940266 (1960-06-01), Smith
patent: 3740956 (1973-06-01), Guy et al.
patent: 4103502 (1978-08-01), Cashman
patent: 4118941 (1978-10-01), Bruce et al.
patent: 4154552 (1979-05-01), Bilderbeek

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