a method for repairing a pipeline by means of at least one shell that is adapted to the outer contour of the pipeline , wherein the at least one shell is attached to the outer wall of the pipeline using an intermediate layer between the interior of the shell and the outer wall of the pipeline . the intermediate layer is made of an adhesive that can be activated , which is used to substantially completely coat the interior of the at least one shell . the attachment of the shell is carried out by applying a force acting at least in the radial direction , and the activation of the adhesive . a shell that is coated in this manner is also disclosed .