Amerada 1 State
API 4001905022 · Butte County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole-Oil show
API
4001905022
Operator
Amerada Petroleum Co.
County
Butte
Field
Wildcat
Location
NWNW Sec 04 Twp 014N Rng 04E
Permit
86
Formation tops
South Dakota records 19 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 2,190 | Cretaceous |
| Fall River Sandstone | 3,510 | Cretaceous |
| Morrison Formation | 3,670 | Jurassic |
| Sundance Formation | 3,700 | Triassic |
| Piper Formation | 4,170 | Triassic |
| Spearfish Formation | 4,280 | Triassic/Permian |
| Minnekahta Limestone | 4,960 | Permian |
| Opeche Shale | 5,010 | Permian |
| Minnelusa Formation | 5,040 | Permian/Pennsylvanian |
| Charles Formation | 5,625 | Mississippian |
| Mission Canyon Limestone | 5,830 | Mississippian |
| Lodgepole Limestone | 6,160 | Mississippian |
| Englewood Limestone | 6,270 | Mississippian/Devonian |
| Three Forks Shale | 6,500 | Devonian |
| Duperow Formation | 6,620 | Devonian |
| Stony Mountain Formation | 6,690 | Ordovician |
| Red River Formation | 6,750 | Ordovician |
| Winnipeg Formation | 7,210 | Ordovician |
| Deadwood Formation | 7,460 | Ordovician/Cambrian |
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
1953-07-06
Measured depth
7,772 ft
True vertical depth
7,772 ft
Location
45.211336, -103.647512
45.21134, -103.64751 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Butte County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.