N.M. Stat. § 70-7-21
Unlawful operation.
From and after the date designated by the division that a unit plan shall become
effective, the operation of any well producing from the pool within the area subject to
said unit plan, by persons other than persons acting under the authority of the unit plan,
or except in the manner and to the extent provided in such unit plan, shall be unlawful
and is hereby prohibited.