method for the controlled bending of a pipe during its installation in the sea and a control device / arrest of folding for use during the installation of a pipe in the sea

摘要

it is described a method for the controlled bending of a pipe (2) at its installation in the seaby means of control / arrest of folding (4 - 8) which are mounted on the piping such as a hose and interact with the pipe.to achieve the folding cold under controlled conditions, the pipe (2) is loaded weight internally in corresponding tooth of the selected bending zone.the load weight can be obtained by means of a flexible chain (17) weights and / or by introducing into the pipe a mass of heavy weight properly and can flow without yfor example, fluid drilling. (figure 1).