If a mineral right affected by a mortgage executed under the provisions of R.S. 31:203 is seized as an incident to an action for the enforcement of such mortgage, the court issuing the order under which the seizure is to be effected shall direct the sheriff or other officer making the seizure to appoint as keeper of the mineral right such person as the parties may have designated as herein provided.
La. R.S. § 9:5131