Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1985-05-15
1987-12-22
Husar, Cornelius J.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405161, 37 62, 37 64, E02F 388, E02F 510, F16L 104
Patent
active
047143789
ABSTRACT:
Apparatus and a method for progressively forming a subsea trench and for laying a pipeline in that trench are provided. The apparatus includes a towable sled for supporting the pipeline as it is being laid in a subsea trench that is being created by fluid jetting, mechanical cutting or a combination of both, using jetting and cutting devices mounted on the sled. In the preferred embodiment, the jet device proceeds the mechanical cutter on the sled and is vertically adjustably mounted so it can be raised out of the way while the mechanical cutter is in use.
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Husar Cornelius J.
Ocean Engineering Systems, Pty., Ltd.
Stodola Nancy J.
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