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) E02D 29/09 (2006.01)

Patent

CA 1039519

IMPROVEMENT IN THE LAYING OF UNDERWATER PIPELINES Jacques Edouard LAMY COMPAGNIE GENERALE POUR LES DEVELOPPEMENTS OPERATIONNELS DES RICHESSES SOUS-MARINES "C.G. DORIS" Abstract of the Disclosure For laying a pipeline on the bed of the sea, a plurality of pipeline sections are successively towed by a tug exerting a traction effort at a point spaced to the rear of the front end of a pipeline section being towed, while another tug exerts a holding effort at a point spaced in front of the rear end, the front and rear ends being maintained near to the surface 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, whereafter the front end of the pipeline section is welded to the rear end of a preceding section, and so on.

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