Position stabilising device for pipeline on sea or river bed, comprises casing secured to lower mat for placing on top of pipeline

摘要

The position of the pipeline (5) is stabilised by an elongated casing (2a-2c) secured to a lower mat (3) beneath it which can be placed on top of the pipeline. The stabilising device comprises one or casings enclosing the pipeline and filled with a granular material. An Independent claim is also included for a construction (10) for laying the position stabilising device, comprising a lifting device on a ship and a frame assembled from bars (10e) with clamping devices (12a, 12b) for the lower mat, the stabilising device being held between the width sides of the frame.