Hillard 1 Stearns
API 4006320169 · Harding County, South Dakota · Hill Field field
Plugged and AbandonedDry Hole-Oil show
API
4006320169
Operator
Hillard Oil and Gas Inc.
County
Harding
Field
Hill Field
Location
Permit
843
Formation tops
South Dakota records 12 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Fall River Sandstone | 4,668 | Cretaceous |
| Piper Formation | 5,600 | Triassic |
| Pine Salt, Spearfish Formation | 5,860 | Permian |
| Minnekahta Limestone | 6,205 | Permian |
| Minnelusa Formation | 6,312 | Permian/Pennsylvanian |
| Charles Formation | 6,957 | Mississippian |
| Lodgepole Limestone | 7,844 | Mississippian |
| Duperow Formation | 8,270 | Devonian |
| Gunton Member, Stony Mountain Formation | 8,878 | Ordovician |
| Stoughton Member, Stony Mountain Formation | 8,913 | Ordovician |
| Red River Formation | 8,996 | Ordovician |
| Unit A, Red River Formation | 9,034 | 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
1978-01-31
Measured depth
9,058 ft
True vertical depth
9,058 ft
Location
45.932402, -103.668809
45.93240, -103.66881 · 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.