Harrison 21-1 Homer Truman State
API 4006320083 · Harding County, South Dakota · Cady Creek field
Plugged and AbandonedDry Hole-Oil and Gas show
API
4006320083
Operator
S. G. Harrison
County
Harding
Field
Cady Creek
Location
Permit
713
Production
South Dakota records 1 monthly filing for this well, from Dec 1975 to Dec 1975, and no volume on any of them.
Formation tops
South Dakota records 20 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 1,736 | Cretaceous |
| Greenhorn Limestone | 2,240 | Cretaceous |
| Mowry Shale | 2,916 | Cretaceous |
| Newcastle Sandstone | 3,045 | Cretaceous |
| Fall River Sandstone | 3,349 | Cretaceous |
| Morrison Formation | 3,436 | Jurassic |
| Piper Formation | 3,952 | Triassic |
| Spearfish Formation | 3,993 | Triassic/Permian |
| Pine Salt, Spearfish Formation | 4,380 | Permian |
| Minnekahta Limestone | 4,794 | Permian |
| Opeche Shale | 4,860 | Permian |
| Minnelusa Formation | 4,919 | Permian/Pennsylvanian |
| Charles Formation | 5,412 | Mississippian |
| Mission Canyon Limestone | 5,684 | Mississippian |
| Lodgepole Limestone | 5,958 | Mississippian |
| Duperow Formation | 6,365 | Devonian |
| Stony Mountain Formation | 6,550 | Ordovician |
| Red River Formation | 6,605 | Ordovician |
| Winnipeg Formation | 7,100 | Ordovician |
| Deadwood Formation | 7,175 | Ordovician/Cambrian |
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 Hole-Oil and Gas showSpudded
1974-11-29
Measured depth
7,337 ft
True vertical depth
7,337 ft
Location
45.255105, -103.765216
45.25511, -103.76522 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Harding County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.