Seppala 1 Hey Government
API 4003305008 · Custer County, South Dakota · Barker Dome field
Plugged and AbandonedDry Hole-Oil and Gas show
API
4003305008
Operator
T. L. Seppala
County
Custer
Field
Barker Dome
Location
Permit
355
Formation tops
South Dakota records 6 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Minnekahta Limestone | 692 | Permian |
| Opeche Shale | 740 | Permian |
| Minnelusa Formation | 810 | Permian/Pennsylvanian |
| Converse Sand, Minnelusa Formation | 820 | Permian |
| Red Marker, Minnelusa Formation | 1,249 | Permian/Pennsylvanian |
| 2nd Leo Sandstone, Minnelusa Formation | 1,383 | 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
Plugged and AbandonedDry Hole-Oil and Gas showSpudded
1964-01-10
Measured depth
1,407 ft
True vertical depth
1,407 ft
Location
43.488064, -103.864350
43.48806, -103.86435 · 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.