Chevron 1 SONAT Zubrod
API 4003120022 · Corson County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole-Oil show
API
4003120022
Operator
Chevron Oil Co.
County
Corson
Field
Wildcat
Location
SWNE Sec 18 Twp 022N Rng 21E
Permit
960
Formation tops
South Dakota records 13 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 2,048 | Cretaceous |
| Dakota Mud | 3,134 | Cretaceous |
| Fall River Sandstone | 3,358 | Cretaceous |
| Charles Formation | 4,754 | Mississippian |
| Mission Canyon Limestone | 4,998 | Mississippian |
| Lodgepole Limestone | 5,300 | Mississippian |
| Nisku Formation | 5,864 | Devonian |
| Duperow Formation | 5,910 | Devonian |
| Souris River Formation | 5,994 | Devonian |
| Interlake Dolomite | 6,118 | Silurian |
| Red River Formation | 6,500 | Ordovician |
| Winnipeg Formation | 7,088 | Ordovician |
| Deadwood Formation | 7,244 | 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
1979-12-30
Measured depth
7,773 ft
True vertical depth
7,773 ft
Location
45.871189, -101.563052
45.87119, -101.56305 · 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.