Shell 1 Flier
API 4003305050 · Custer County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4003305050
Operator
Shell Oil Co.
County
Custer
Field
Wildcat
Location
NWSE Sec 05 Twp 003S Rng 11E
Permit
148
Formation tops
South Dakota records 10 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Sharon Springs Member, Pierre Shale | 800 | Cretaceous |
| Niobrara Formation | 880 | Cretaceous |
| Carlile Shale | 1,060 | Cretaceous |
| Greenhorn Limestone | 1,590 | Cretaceous |
| Belle Fourche Shale | 1,690 | Cretaceous |
| Mowry Shale | 2,040 | Cretaceous |
| Newcastle Sandstone | 2,053 | Cretaceous |
| Skull Creek Shale | 2,282 | Cretaceous |
| Fall River Sandstone | 2,660 | Cretaceous |
| Fuson Shale Member, Lakota Formation | 2,715 | Cretaceous |
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
1955-08-22
Measured depth
2,890 ft
True vertical depth
2,890 ft
Location
43.815727, -102.826752
43.81573, -102.82675 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Custer County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.