Shell 22-12 Evridge
API 4003105000 · Corson County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4003105000
Operator
Shell Oil Co.
County
Corson
Field
Wildcat
Location
SENW Sec 12 Twp 018N Rng 19E
Permit
220
Formation tops
South Dakota records 10 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 2,470 | Cretaceous |
| Piper Formation | 3,605 | Triassic |
| Spearfish Formation | 3,680 | Triassic/Permian |
| Mission Canyon Limestone | 4,595 | Mississippian |
| Charles Formation | 4,615 | Mississippian |
| Lodgepole Limestone | 5,078 | Mississippian |
| Englewood Limestone | 5,555 | Mississippian/Devonian |
| Nisku Formation | 5,670 | Devonian |
| Stony Mountain Formation | 6,044 | Ordovician |
| Red River Formation | 6,186 | Ordovician |
A dash is a formation South Dakota records for this well without a depth.
Completion
South Dakota files 1 completion report for this well.
Vertical Well
Plugged and AbandonedDry HoleSpudded
1957-02-22
Measured depth
6,470 ft
True vertical depth
6,470 ft
Location
45.539749, -101.730089
45.53975, -101.73009 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Corson County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.