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 surface casing of:
- 200 feet in T.22S-R.10E; T.23S-R.8, 9, 10E; T.24S-R.8, 9 and 10E; T.25S-R.8 and 9E; T.27S-R.8 and 9E; T.28S-R.8 and 9E.
- 225 feet in T.24S-R.12 and 13E; T.25S-R.12 and 13E; T.26S-R.12 and 13E; T.27S-12 and 13E; T.28S-R.12 and 13E, plus protect through the Douglas Group in T.25S-R.13E, T.26S-R.13E, T.27S-R.13E, T.28S-R.12 and 13E.
- 100 feet in all other areas.
All other wells shall follow Alternate II rules, Appendix B, Area 3, Eastern Surface Casing order. In all cases, set surface casing through all unconsolidated material plus 20 or more feet into the underlying formation.