Sterling 1 Kosturos
API 4003305109 · Custer County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4003305109
Operator
Sterling Drilling Co.
County
Custer
Field
Wildcat
Location
NENE Sec 25 Twp 002S Rng 10E
Permit
329
Formation tops
South Dakota records 6 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 1,076 | Cretaceous |
| Greenhorn Limestone | 1,814 | Cretaceous |
| Mowry Shale | 2,230 | Cretaceous |
| Newcastle Sandstone | 2,423 | Cretaceous |
| Skull Creek Shale | 2,444 | Cretaceous |
| Fall River Sandstone | 2,700 | 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
1962-11-13
Measured depth
3,333 ft
True vertical depth
3,333 ft
Location
43.852033, -102.861629
43.85203, -102.86163 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Custer County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.