Offshore oil drilling and producing platform provided with impro

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

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405228, E02B 1702

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active

055733557

ABSTRACT:
Offshore oil drilling or producing platform comprising a hull (1) carried by legs (2) provided with feet (3) adapted to rest on the sea bed, characterized in that the walls of each of the legs (2) define a space opening onto the respective foot (3) in which are retracted anchoring piles (5) for the leg carried by the foot, each leg (2) being also provided in its upper part with support means (7) in vertical alignment with the piles within the space defined by the walls of the leg (2) for supporting a device for driving the piles into the sea bed.

REFERENCES:
patent: 3987636 (1976-10-01), Hruska et al.
patent: 4322182 (1982-03-01), Ostgaard
patent: 4696604 (1987-09-01), Finn et al.
patent: 4917541 (1990-04-01), Carruba
patent: 5012875 (1991-05-01), Casbarian et al.
patent: 5094568 (1992-03-01), Carruba
patent: 5257879 (1993-11-01), Veronelli
Patent Abstracts Of Japan, vol. 010, No. 368 (M-543), 9 Dec. 1986 & JP-A-61 162620 (Mitsui Kaiyo Kaihatsu KK) 23 Jul. 1986, the summary.
Patent Abstracts Of Japan, vol. 012, No. 182 (M-702), 27 May 1988 & JP-A-62 291314 (Nippon Kokan KK) 18 Dec. 1987, the summary.

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