Phillips 1 State
API 4013705000 · Ziebach County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4013705000
Operator
Phillips Petroleum Co.
County
Ziebach
Field
Wildcat
Location
NENW Sec 20 Twp 011N Rng 23E
Permit
232
Formation tops
South Dakota records 5 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 2,163 | Cretaceous |
| Belle Fourche Shale | 2,257 | Cretaceous |
| Newcastle Sandstone | 2,685 | Cretaceous |
| Skull Creek Shale | 2,776 | Cretaceous |
| Morrison Formation | 2,989 | Jurassic |
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
1957-05-20
Measured depth
3,002 ft
True vertical depth
3,002 ft
Location
44.905263, -101.353441
44.90526, -101.35344 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Ziebach County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.