Pure 1 Shepard
API 4010305002 · Pennington County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4010305002
Operator
Pure Oil Co.
County
Pennington
Field
Wildcat
Location
NWSE Sec 23 Twp 001S Rng 09E
Permit
129
Formation tops
South Dakota records 7 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 639 | Cretaceous |
| Carlile Shale | 990 | Cretaceous |
| Greenhorn Limestone | 1,360 | Cretaceous |
| Belle Fourche Shale | 1,452 | Cretaceous |
| Mowry Shale | 1,580 | Cretaceous |
| Newcastle Sandstone | 1,853 | Cretaceous |
| Skull Creek Shale | 2,040 | 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
1955-08-11
Measured depth
2,067 ft
True vertical depth
2,067 ft
Location
43.946363, -103.006790
43.94636, -103.00679 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Pennington County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.