Laying of underwater pipelines

Details Laying of underwater pipelines Laying of underwater pipelines

F - Mech Eng,Light,Heat,Weapons

16

L

61/5.3

F16L 1/16 (2006.01)

Patent

CA 1063816

Abstract of the Disclosure Method and apparatus are described for laying a pipeline on the sea bed to interconnect two spaced underwater installations. The pipeline is towed by a tug exerting a traction effort at a point spaced to the rear of the front end of the pipeline, while another tug exerts a holding effort at a point spaced in front of the rear end, the front and rear ends being maintained above the sea bed by a system of floats and trail-ropes and the intermediate portion of the pipeline section being ballasted so as to be supported on the sea bed. The two end portions of the pipeline are subsequently inserted into the respective installations, and are weighted so that they rest on the sea bed.

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