311. As soon as the permanent closure work ends, the authorization holder must mark the well with a steel plate at least 150 mm wide and 300 mm high indicating, in relief, the name of the well and its geographical coordinates.
The plate must be fixed 1.5 m above the surface of the ground using a metal rod welded to the outside casing of the well.
Where it is justified by the use of the territory, the holder may, with the Minister’s authorization, position the plate as close as possible to the well and indicate the distance at which the well is located and its azimuth.
1252-2018O.C. 1252-2018, s. 311.