Youngblood 1 Galvin
API 4004105004 · Dewey County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4004105004
Operator
Youngblood and Youngblood
County
Dewey
Field
Wildcat
Location
SESE Sec 25 Twp 016N Rng 22E
Permit
74
Formation tops
South Dakota records 14 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Pierre Shale | 1,600 | Cretaceous |
| Niobrara Formation | 1,650 | Cretaceous |
| Carlile Shale | 1,760 | Cretaceous |
| Greenhorn Limestone | 2,270 | Cretaceous |
| Graneros | 2,340 | Cretaceous |
| Mowry Shale | 2,450 | Cretaceous |
| Fall River Sandstone | 2,760 | Cretaceous |
| Sundance Formation | 2,970 | Triassic |
| Spearfish Formation | 3,370 | Triassic/Permian |
| Minnelusa Formation | 3,541 | Permian/Pennsylvanian |
| Madison Group | 4,130 | Mississippian |
| Red River Formation | 5,305 | Ordovician |
| Deadwood Formation | 6,035 | Ordovician/Cambrian |
| Precambrian | 6,290 | Precambrian |
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
1953-02-26
Measured depth
6,325 ft
True vertical depth
6,325 ft
Location
45.314977, -101.366284
45.31498, -101.36628 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Dewey County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.