La. Code Civ. Proc. art. 3666
Current with operative changes from the 2024 Third Special Legislative Session
If after the owner of a mineral right has ceased possessing it by use or exercise according to its nature there is adverse possession of the land including the mineral right, the adverse possessor becomes entitled to bring the possessory action when he has been in possession quietly and without interruption for more than one year after his possession began or was resumed.
La. C.P. § 3666