A tubular installation system for J-laying tubulars, marine pipelay system and method for handling a tubular or accessory.

摘要

The invention relates to a tubular installation system comprising: a) a J-lay tower structure for lowering and raising a tubular or an accessory along a firing line; b) a tubulars supply system for supplying tubulars to a horizontal tubular supply position; c) an accessory supply system for supplying an accessory to a horizontal accessory supply position; d) a loader system configured for transporting a tubular between the horizontal tubular supply position and the firing line, and for transporting an accessory between the horizontal accessory supply position and the firing line, wherein the loader system comprises: i. a loader device with a base and a boom which is pivotable with respect to the base between a lowered position for gripping a tubular in the horizontal tubular supply position and for gripping an accessory in the horizontal accessory supply position, and a raised position for delivering a tubular and an accessory to the firing line; ii. a line-up tool, wherein the line-up tool is configured to exchange a tubular with the loader device and transport a tubular between the loader device and the firing line, and wherein the line-up tool is configured to exchange an accessory with the loader device and transport an accessory between the loader device and the firing line.