Clarkson Schlaikjer 1 Clarkson
API 4006305035 · Harding County, South Dakota · Buffalo field
Plugged and AbandonedDry Hole-Oil show
API
4006305035
Operator
A. L. Schlaikjer
County
Harding
Field
Buffalo
Location
Permit
306
Formation tops
South Dakota records 21 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Pierre Shale | 1,830 | Cretaceous |
| Niobrara Formation | 2,890 | Cretaceous |
| Greenhorn Limestone | 3,490 | Cretaceous |
| Graneros | 3,527 | Cretaceous |
| Newcastle Sandstone | 4,132 | Cretaceous |
| Skull Creek Shale | 4,142 | Cretaceous |
| Lakota Formation | 4,420 | Cretaceous |
| Morrison Formation | 4,670 | Jurassic |
| Sundance Formation | 4,935 | Triassic |
| Piper Formation | 5,330 | Triassic |
| Spearfish Formation | 5,555 | Triassic/Permian |
| Minnekahta Limestone | 5,970 | Permian |
| Opeche Shale | 6,015 | Permian |
| Minnelusa Formation | 6,220 | Permian/Pennsylvanian |
| Charles Formation | 6,625 | Mississippian |
| Mission Canyon Limestone | 7,085 | Mississippian |
| Lodgepole Limestone | 7,422 | Mississippian |
| Duperow Formation | 7,912 | Devonian |
| Interlake Dolomite | 8,047 | Silurian |
| Stony Mountain Formation | 8,390 | Ordovician |
| Red River Formation | 8,457 | Ordovician |
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 showSpudded
1960-05-09
Measured depth
8,526 ft
True vertical depth
8,526 ft
Location
45.764251, -103.712980
45.76425, -103.71298 · 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.