Structure allowing the attainment of a precise seabed location

Details Structure allowing the attainment of a precise seabed location Structure allowing the attainment of a precise seabed location

1978-12-05

1981-08-25

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

405224, E02B 1702

Patent

active

042856140

ABSTRACT:
A rig which can be towed in floating condition comprises a hollow shaft connected with a base section and supporting a bridge equipped with various installations. In order to allow laying of the base section at a precise location on the seabed, the base section is provided with peripheral notches which can slide along vertical piers and is provided also with piles which are extended and locked when the notches are placed against the piers. Thereafter, the base section is allowed to sink to the bottom by sliding against the piers. Such a rig is useful for oil drilling purposes.

REFERENCES:
patent: 2217879 (1940-10-01), Willey
patent: 2326353 (1943-08-01), Gross
patent: 2334992 (1943-11-01), Crake
patent: 3007316 (1961-11-01), Higgins
patent: 3716994 (1973-02-01), Pogonowski
patent: 3938343 (1976-02-01), Lamy
patent: 4126008 (1978-11-01), Dixon

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