A flowline is described for producing hydrocarbons from a subsea well that is comprised of a substantially neutrally buoyant tubular composite umbilical. The flowline may possess electrical heating apparatus within the tubular walls of the tubular composite umbilical to prevent waxes and hydrates from...http://www.google.fr/patents/US7311151?utm_source=gb-gplus-shareBrevet US7311151 - Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons
Substantially neutrally buoyant and positively buoyant electrically heated ...
