| 摘要 |
-19 Title: Thermally isolated heated pipeline made of double casing sections and laying process for such a pipeline A section (1) of a pipeline (2) for the transport of hydrocarbons that is adapted to a sub-sea environment, said section being constituted by at least one double casing comprising one external casing (5) and one internal casing (6) between which an annular space (104) is arranged comprising a thermally insulating material (7), characterised in that said section comprises at least one heating circuit (12) arranged in said annular space (104) and a connection base (8) fixed to the external casing (5) and intended to a connection plug (4) linked to an external electric power cable (9), the connection base (8) closing an access passage (10) in communication with said annular space (104), the heating circuit (12) being electrically powered by the connection base forming a closed heating electrical circuit to heat the section. 03/11/11,19575 speci,19 1 /7 c 0) c..o .0 n LL) m I ~t IL CD (D '1j4 -c |
