Extension tube and internal jacketing conduit assembly

Details Extension tube and internal jacketing conduit assembly Extension tube and internal jacketing conduit assembly

E - Fixed Constructions

21

B

255/17

E21B 17/01 (2006.01) E21B 21/12 (2006.01) F16L 7/00 (2006.01) F16L 7/02 (2006.01)

Patent

CA 2037048

This invention concerns an assembly comprising a riser pipe (39) and a jacket pipe (38) inside the riser pipe comprising numerous components (56, 57, 58,...) which have been assembled together. This assembly is characterized by the fact that the said jacket pipe (38) comprises many components (40, 41, 42,...) and that the said assembly comprises means for assembling (43, 33, 45,...) each of the said components of the jacket pipe on a corresponding component of the riser pipe. Application to offshore oil exploration, drilling and/or extraction.

La présente invention concerne un ensemble comportant un tube prolongateur (39) et un conduit de chemisage (38) interne à ce tube, ledit tube comportant plusieurs éléments (56, 57, 58,...) assemblés entre eux. Cet ensemble se caractérise en ce que ledit conduit (38) de chemisage comporte plusieurs éléments (40, 41, 42,...) et en ce que ledit ensemble comporte des moyens d'assemblage (43, 44, 45,...) de chacun desdits éléments du conduit sur un élément correspondant du tube. Application aux forages pétroliers en mer et/ou à l'exploration et l'exploitation pétrolière en mer.

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