Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1978-05-24
1981-04-07
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
242 54R, 72161, B63B 3504, F16L 100
Patent
active
042602874
ABSTRACT:
A method for laying a substantially continuous length of pipe on the sea bottom from a carrier vessel, in which a pipe carrying reel is rotatably mounted on the carrier vessel, pipe straightening means are mounted to the carrier vessel downstream of the reel in the direction of unspooling for movement in a direction substantially parallel to the rotational axis of the reel, and pipe guide means are mounted to the carrier vessel downstream of the straightener means in the direction of pipe unspooling for movement in a direction substantially parallel to the rotational axis of the reel, wherein the method comprises the steps of rotating the reel in a direction to unspool the pipe and maintain a substantially constant dynamic braking force on the reel to maintain tension on the pipe as it is unspooled.
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Cha John
Uyeda Stanley T.
Santa Fe International Corporation
Taylor Dennis L.
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