Gulf 1 Clarkson
API 4006320093 · Harding County, South Dakota · Buffalo field
Plugged and AbandonedDry Hole-Oil and Gas show
API
4006320093
Operator
Gulf Oil Corp.
County
Harding
Field
Buffalo
Location
Permit
737
Formation tops
South Dakota records 19 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 3,392 | Cretaceous |
| Mowry Shale | 3,945 | Cretaceous |
| Dakota Mud | 4,062 | Cretaceous |
| Fall River Sandstone | 4,366 | Cretaceous |
| Lakota Formation | 4,490 | Cretaceous |
| Morrison Formation | 4,578 | Jurassic |
| Sundance Formation | 5,108 | Triassic |
| Spearfish Formation | 5,496 | Triassic/Permian |
| Minnekahta Limestone | 5,869 | Permian |
| Opeche Shale | 5,917 | Permian |
| Minnelusa Formation | 6,016 | Permian/Pennsylvanian |
| Charles Formation | 6,587 | Mississippian |
| Mission Canyon Limestone | 6,930 | Mississippian |
| Lodgepole Limestone | 7,364 | Mississippian |
| Nisku Formation | 7,924 | Devonian |
| Duperow Formation | 7,970 | Devonian |
| Interlake Dolomite | 8,076 | Silurian |
| Stony Mountain Formation | 8,372 | Ordovician |
| Red River Formation | 8,530 | 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 and Gas showSpudded
1975-11-01
Measured depth
8,807 ft
True vertical depth
8,807 ft
Location
45.799893, -103.570342
45.79989, -103.57034 · 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.