| 摘要 |
The present invention relates to an assembly comprising an extension tube (39) and a sleeving conduit (38) inside it, said tube comprising several components (56, 57, 58, etc.) connected together. The feature of this assembly is that said sleeving conduit (38) comprises several components (40, 41, 42, etc.) and that said assembly comprises means (43, 44, 45, etc.) for fitting each of said conduit components to a corresponding component of the tube. Application to oil rigs at sea and/or petroleum exploration and exploitation at sea. |
