anglais vers français Technique / Génie Génie et sciences pétrolières oil and gas production

The seal (Caprock), coloured grey in the stratigraphic column, for the storage complex is a 1,000 m thick sequence of Carboniferous age shales, mudstones and siltstones overlain by a 2 m thick anhydrite which defines the Hercynian Unconformity (HU)