Method and apparatus for handling piling and anchoring an offsho

Details Method and apparatus for handling piling and anchoring an offsho Method and apparatus for handling piling and anchoring an offsho

1975-06-02

1976-11-16

Gilliam, Paul R.

61 86, E02B 1700

Patent

active

039915816

ABSTRACT:
A method and apparatus for handling piling and anchoring an offshore tower are disclosed wherein sudden loading of a derrick handling the piling is avoided as the piling is moved into position preparatory to driving. The apparatus entails a base intended to rest upon an upper end of a piling guide. A releasable gripping means is connected to the base and serves to grip and restrain an add-on piling while the add-on piling is connected to a piling connected and thus suspended within the piling guide and also while the suspended piling is released therefrom. Releasing means are employed to release the gripping means to permit concurrent downward movement of the add-on and suspended piling.
In further aspects, the apparatus and method of the invention effect the connection of an add-on piling to a piling suspended from an offshore tower by first at least partially enclosing the add-on piling within a chuck releasably gripping the add-on piling. The add-on and chuck are next hung from the boom of a floating derrick and the add-on piling is connected to the suspended piling. The piling is thereafter disconnected from the piling guide while the suspension thereof is concurrently maintained by a restraining engagement between the chuck and the piling guide. Ultimately the piling is lowered and forced into the strata underlying the floor of the body of water.

REFERENCES:
patent: 3387460 (1968-06-01), Morris
patent: 3823564 (1974-07-01), Crout et al.
patent: 3826099 (1974-07-01), Lovie
patent: 3895471 (1975-07-01), Kolb

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