Development of The Flexible Pipe for Extra Deep Sea

Abstract

Flexible pipes are incleasingly used to draw up deep ocean water currently attracts many peoples attention as a new resource in the field of marine product industry and others. One of the most important requrements for the flexible pipes to apply in extra deep sea is how to reduce their own weight. Last year, we developed a light weight flexible pipe constructed withcomposite armor wires and installed on the sea bed over the depth of 600m.This paper describesthe process of the development of the lighter pipe required for extra deep sea.