Phillips 1 Madsen
API 4004705021 · Fall River County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4004705021
Operator
Phillips Petroleum Co.
County
Fall River
Field
Wildcat
Location
Permit
219
Formation tops
South Dakota records 5 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 117 | Cretaceous |
| Belle Fourche Shale | 193 | Cretaceous |
| Newcastle Sandstone | 665 | Cretaceous |
| Skull Creek Shale | 812 | Cretaceous |
| Fall River Sandstone | 1,051 | Cretaceous |
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 HoleSpudded
1957-02-20
Measured depth
1,140 ft
True vertical depth
1,140 ft
Location
43.084733, -103.654237
43.08473, -103.65424 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Fall River County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.