Chevron 1 SONAT O'Donnell
API 4003120021 · Corson County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole-Oil show
API
4003120021
Operator
Chevron Oil Co.
County
Corson
Field
Wildcat
Location
SWSW Sec 26 Twp 021N Rng 19E
Permit
959
Formation tops
South Dakota records 13 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 2,224 | Cretaceous |
| Greenhorn Limestone | 2,780 | Cretaceous |
| Mowry Shale | 2,970 | Cretaceous |
| Fall River Sandstone | 3,548 | Cretaceous |
| Piper Formation | 3,966 | Triassic |
| Minnelusa Formation | 4,280 | Permian/Pennsylvanian |
| Mission Canyon Limestone | 5,194 | Mississippian |
| Nisku Formation | 6,070 | Devonian |
| Duperow Formation | 6,122 | Devonian |
| Interlake Dolomite | 6,352 | Silurian |
| Red River Formation | 6,728 | Ordovician |
| Winnipeg Formation | 7,300 | Ordovician |
| Deadwood Formation | 7,446 | 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
1980-01-31
Measured depth
7,742 ft
True vertical depth
7,742 ft
Location
45.748205, -101.739410
45.74820, -101.73941 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Corson County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.