Luff P-3 Stearns
API 4006320408 · Harding County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole-Oil show
API
4006320408
Operator
Luff Exploration Co.
County
Harding
Field
Wildcat
Location
Permit
1328
Formation tops
South Dakota records 21 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 3,770 | Cretaceous |
| Fall River Sandstone | 4,755 | Cretaceous |
| Piper Formation | 5,667 | Triassic |
| Pine Salt, Spearfish Formation | 5,962 | Permian |
| Minnekahta Limestone | 6,272 | Permian |
| Opeche Shale | 6,317 | Permian |
| Minnelusa Formation | 6,450 | Permian/Pennsylvanian |
| Kibbey Formation | 6,900 | Mississippian |
| Charles Formation | 7,000 | Mississippian |
| Mission Canyon Limestone | 7,462 | Mississippian |
| Lodgepole Limestone | 7,872 | Mississippian |
| Three Forks Shale | 8,007 | Devonian |
| Duperow Formation | 8,318 | Devonian |
| Interlake Dolomite | 8,540 | Silurian |
| Stonewall Limestone | 8,854 | Silurian/Ordovician |
| Gunton Member, Stony Mountain Formation | 8,892 | Ordovician |
| Stony Mountain Formation | 8,972 | Ordovician |
| Red River Formation | 9,010 | Ordovician |
| Unit A, Red River Formation | 9,053 | Ordovician |
| Unit B, Red River Formation | 9,098 | Ordovician |
| Unit C, Red River Formation | 9,180 | 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
1984-09-12
Measured depth
9,350 ft
True vertical depth
9,350 ft
Location
45.893637, -103.607212
45.89364, -103.60721 · 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.