Downhole completion system

Abstract

The present invention relates to a downhole system for providing plug and abandonment of a well having a top, comprising a first well tubular metal structure arranged in a borehole, a barrier arranged inside or around the first well tubular metal structure, isolating a first volume from a second volume, the barrier having a top face facing the first volume and a bottom face facing the second volume, wherein the barrier has a temperature-activated bypass assembly comprising a bypass channel and an obstruction part, the bypass channel extending from the top face to the bottom face for providing fluid communication between the first volume and the second volume when the obstruction part is removed by being heated. The invention also relates to a downhole method for providing plug and abandonment of a downhole system.

Dependencies are inferred from the claim text.