Helmerich and Payne 1-31 Federal
API 4006320091 · Harding County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4006320091
Operator
Helmerich and Payne Inc.
County
Harding
Field
Wildcat
Location
Permit
732
Formation tops
South Dakota records 9 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Fall River Sandstone | 4,432 | Cretaceous |
| Sundance Formation | 4,670 | Triassic |
| Minnelusa Formation | 6,122 | Permian/Pennsylvanian |
| Charles Formation | 6,700 | Mississippian |
| Mission Canyon Limestone | 7,153 | Mississippian |
| Lodgepole Limestone | 7,480 | Mississippian |
| Duperow Formation | 8,075 | Devonian |
| Interlake Dolomite | 8,200 | Silurian |
| Red River Formation | 8,641 | 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 HoleSpudded
1975-10-29
Measured depth
8,900 ft
True vertical depth
8,900 ft
Location
45.919466, -103.792860
45.91947, -103.79286 · 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.