Palensky 1 Smith
API 4003305038 · Custer County, South Dakota · Wildcat field
Converted-Fresh Water SupplyDry Hole-Oil and Gas show
API
4003305038
Operator
J. E. Palensky
County
Custer
Field
Wildcat
Location
Permit
27
Formation tops
South Dakota records 9 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Dakota Mud | 350 | Cretaceous |
| Fall River Sandstone | 435 | Cretaceous |
| Lakota Formation | 690 | Cretaceous |
| Morrison Formation | 860 | Jurassic |
| Sundance Formation | 1,167 | Triassic |
| Spearfish Formation | 1,695 | Triassic/Permian |
| Minnekahta Limestone | 2,137 | Permian |
| Opeche Shale | 2,195 | Permian |
| Minnelusa Formation | 2,428 | Permian/Pennsylvanian |
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
Converted-Fresh Water SupplyDry Hole-Oil and Gas showSpudded
1948-09-13
Measured depth
2,824 ft
True vertical depth
2,824 ft
Location
43.666606, -103.220704
43.66661, -103.22070 · 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.