Formation of cavities in the bed of a sheet of water

Details Formation of cavities in the bed of a sheet of water Formation of cavities in the bed of a sheet of water

1975-03-24

1976-12-21

Shapiro, Jacob

61 5, 61 50, 61 81, E02D 2100

Patent

active

039980618

ABSTRACT:
In order to form galleries or other subterranean cavities in the bed of a sheet of water, for example for the construction of a subterranean reservoir for storing petroleum, or for exploiting submarine deposits, a floating structure, comprising at least one and preferably two hollow shafts, is ballasted so that it rests upon the seabed or underwater surface, a bore is excavated in extension of each hollow shaft, down to the desired depth, a casing tube is inserted there, extending to above the sheet of water, and one of said casings is used as an access means for the excavation of the galleries or cavities, whilst the other if used to remove the spoil.

REFERENCES:
patent: 2699042 (1955-01-01), Hayward
patent: 2747840 (1956-05-01), Miles
patent: 2756021 (1956-07-01), Townsend et al.
patent: 3886753 (1975-06-01), Birdy et al.

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