Shell 1 Evans
API 4003305053 · Custer County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4003305053
Operator
Shell Oil Co.
County
Custer
Field
Wildcat
Location
NENE Sec 35 Twp 002S Rng 09E
Permit
140
Formation tops
South Dakota records 9 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Sharon Springs Member, Pierre Shale | 670 | Cretaceous |
| Niobrara Formation | 750 | Cretaceous |
| Carlile Shale | 1,120 | Cretaceous |
| Greenhorn Limestone | 1,340 | Cretaceous |
| Belle Fourche Shale | 1,630 | Cretaceous |
| Mowry Shale | 1,820 | Cretaceous |
| Newcastle Sandstone | 1,850 | Cretaceous |
| Skull Creek Shale | 2,050 | Cretaceous |
| Fuson Shale Member, Lakota Formation | 2,370 | 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
1955-08-18
Measured depth
2,602 ft
True vertical depth
2,602 ft
Location
43.837647, -103.002104
43.83765, -103.00210 · 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.