Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1979-03-07
1981-05-05
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405158, 405188, 248 49, E02D 2746, B63C 1152
Patent
active
042655668
ABSTRACT:
This invention relates to an apparatus for supporting pipes suspended over depressions in the sea bed, including those situated at great depth, and to the method for installing it on the sea bed. The apparatus according to the invention consists of a completely recoverable service module and a support mobile which serves to support the pipe and remains fixed on the sea bed, said modules being connected together in such a manner that they can be separated by simple controls from the depot ship. The method according to the invention comprises in turn a number of operating steps, through which the entire apparatus is initially lowered and positioned on the sea bed and the service module is then recovered by the depot ship.
REFERENCES:
patent: 2675132 (1954-04-01), Susil
patent: 3568455 (1971-03-01), McLaughlin et al.
patent: 4017046 (1977-04-01), Hicks
patent: 4128219 (1978-12-01), Kaigler, et al.
patent: 4146345 (1979-03-01), Silvestri
Saipem S.p.A.
Taylor Dennis L.
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