Shell 12-28 State
API 4006305032 · Harding County, South Dakota · Buffalo field
Plugged and AbandonedDry Hole-Oil show
API
4006305032
Operator
Shell Oil Co.
County
Harding
Field
Buffalo
Location
Permit
298
Formation tops
South Dakota records 13 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 3,590 | Cretaceous |
| Newcastle Sandstone | 4,286 | Cretaceous |
| Piper Formation | 5,520 | Triassic |
| Spearfish Formation | 5,736 | Triassic/Permian |
| Minnekahta Limestone | 6,083 | Permian |
| Charles Formation | 6,690 | Mississippian |
| Mission Canyon Limestone | 7,000 | Mississippian |
| Lodgepole Limestone | 7,536 | Mississippian |
| Duperow Formation | 8,035 | Devonian |
| Interlake Dolomite | 8,217 | Silurian |
| Stonewall Limestone | 8,278 | Silurian/Ordovician |
| Stony Mountain Formation | 8,488 | Ordovician |
| Red River Formation | 8,648 | 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 Hole-Oil showSpudded
1959-12-20
Measured depth
8,710 ft
True vertical depth
8,710 ft
Location
45.756760, -103.642076
45.75676, -103.64208 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Harding County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.