Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Reexamination Certificate
2007-11-21
2011-11-15
Lagman, Frederick L (Department: 3672)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
C405S169000
Reexamination Certificate
active
08057126
ABSTRACT:
A connector means (10; 20) for tie-in and connecting of a first pipeline and a second pipeline on the seabed is shown. The connector means comprises a first connector part (1; 1′) retaining a first end of the first pipeline. The first connector part and the first pipeline are designed to be lowered and deployed on the seabed in advance of the connecting operation. A submersible second connector part (2; 2′) that retains a second end of the second pipeline (4) is also included. The second connector part and the second pipeline are designed to be lowered from the surface of the water toward the first connector part (1; 1′). The connector parts (1, 2; 1′, 2′) comprises means (6, 11; 21, 22) that cooperate during relative motion between said connector parts, and is hinged tilting the second connector part (2, 2′) by means of forced motion, and thus aligning the second pipe end (4e,4′e) in the direction toward the first pipe end (8e,8′e) such that the first and second pipelines are brought to be in line with each other on the seabed. In addition a connector (3, 3′) is arranged between the connector parts for final connection between the pipeline ends.
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Møgedal Knut
Omvik Sigvard
Aker Subsea AS
Birch & Stewart Kolasch & Birch, LLP
Lagman Frederick L
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