Method for subsea deployment of discrete lengths of flexible jumper pipes
Abstract:
A method for deployment of discrete lengths of flexible jumper pipes for installation subsea is provided, comprising coupling the jumper pipes together end-to-end thus forming a flexible train of jumper pipes, and winding the train of jumper pipes on a drum suitable for transport to a deployment site by a pipe-laying vessel. On site, the train of jumper pipes is unreeled from the drum until the first jumper pipe is lowered into the sea, then the drum is halted and the trailing end of the first jumper pipe is detached from the leading end of the second jumper pipe in the train of jumper pipes. The trailing end of the first jumper pipe is shifted to a lowering wire, and the first jumper pipe is lowered to the sea bottom. The process is repeated until the discrete lengths of flexible jumper pipes are individually lowered into the sea.
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