Gulf 1 Rosebud Sioux
API 4009505051 · Mellette County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4009505051
Operator
Gulf Oil Corp.
County
Mellette
Field
Wildcat
Location
SWSE Sec 23 Twp 043N Rng 29W
Permit
419
Formation tops
South Dakota records 6 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 1,305 | Cretaceous |
| Dakota Mud | 1,600 | Cretaceous |
| Minnelusa Formation | 2,290 | Permian/Pennsylvanian |
| Red River Formation | 3,100 | Ordovician |
| Winnipeg Formation | 3,185 | Ordovician |
| Precambrian | 3,280 | 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
1966-08-11
Measured depth
3,282 ft
True vertical depth
3,282 ft
Location
43.682746, -100.737792
43.68275, -100.73779 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Mellette County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.