La. Stat. tit. 31 § 78
Current with operative changes from the 2024 Third Special Legislative Session
If the landowner who purported to create the mineral servitude acquires the previously outstanding mineral servitude, after having alienated the land, the party in whose favor the doctrine operates has ten years from the date of the transaction by which he purported to acquire or the remaining period of the rights acquired by his grantor in which to exercise his rights, whichever period is greater.
La. R.S. § 31:78