Shell 11-23 Government
API 4003105001 · Corson County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4003105001
Operator
Shell Oil Co.
County
Corson
Field
Wildcat
Location
NWNW Sec 23 Twp 019N Rng 18E
Permit
225
Formation tops
South Dakota records 9 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 2,771 | Cretaceous |
| Dakota Mud | 3,547 | Cretaceous |
| Sundance Formation | 3,667 | Triassic |
| Piper Formation | 3,948 | Triassic |
| Minnekahta Limestone | 4,140 | Permian |
| Minnelusa Formation | 4,300 | Permian/Pennsylvanian |
| Charles Formation | 4,990 | Mississippian |
| Mission Canyon Limestone | 5,090 | Mississippian |
| Lodgepole Limestone | 5,494 | Mississippian |
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
1957-03-26
Measured depth
5,777 ft
True vertical depth
5,777 ft
Location
45.601323, -101.878987
45.60132, -101.87899 · 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.