SDCL § 45-9-28: Scope of order establishing spacing units for a pool--Modification--Inclusion of additional area--Exclusion of land not underlaid by pool.

An order establishing spacing units for a pool shall cover all lands determined or believed to be underlaid by such pool, and may be modified by the Board of Minerals and Environment from time to time to include additional areas determined to be underlaid by such pool, or to exclude lands determined not to be underlaid by such pool.