Minimum Surface Casing Requirements
Minimum surface casing requirements for protecting fresh and usable water and to meet alternate #1 on Intent to Drill cards, Form C-1
S=Section, T=Township, R=Range
Wells deeper than 1500 feet and using Alternate I completion shall set a minimum of 200 feet surface casing in R.13E, R.14E, T.27S-R.15E; 150 feet in all other areas. All other wells shall use Alternate II rules, Appendix B, Area 3 rules in R.13 and 14E and Area 2 rules in other areas, Eastern Surface Casing order. In all cases, set surface casing through all unconsolidated material plus 20 or more feet into the underlying formation.