B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
61/5.3
B63B 35/04 (2006.01) F16L 1/20 (2006.01)
Patent
CA 1220637
PORTABLE REEL PIPELAYING APPARATUS AND METHOD Abstract of the Disclosure The invention comprises a portable reel pipelaying system for laying a continuous length of pipe on the sea bottom. A pipe-carrying reel is adapted to be mounted to a sufficiently large clear deck area of a carrier vessel. Means are provided for driving the reel in a first direction for spooling pipe onto the reel and for exerting a desired braking action on the reel while unspooling pipe from the reel in a second direction to maintain the unspooled pipe under desired tension. A straightener support assembly is adapted to be mounted to the carrier vessel downstream of the reel in the direction of pipe unspooling; pipe straightening means are movably mounted to the straightener support assembly; and straightener drive means are housed in the straightener support assembly for driving the straightening means in a direction substantially parallel to the rotational axis of the reel to level wind pipe being spooled onto the reel and to substantially straighten pipe being spooled onto the reel and to substantially straighten pipe being unspooled from the reel. Pipe guide means are adapted to be mounted to the carrier vessel downstream of the straightener support assembly in the direction of pipe unspooling and are movable in a direction substantially parallel to the rotational axis of the reel to guide pipe into the water as it is being unspooled.
326221
Cha John H.
Uyeda Stanley T.
Gowling Lafleur Henderson Llp
Santa Fe International Corporation
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