Mobil F-11-14-P Sipila
API 4001905014 · Butte County, South Dakota · Wildcat field
Converted-Fresh Water SupplyDry Hole
API
4001905014
Operator
Mobil Oil Co.
County
Butte
Field
Wildcat
Location
NWNW Sec 14 Twp 009N Rng 08E
Permit
344
Formation tops
South Dakota records 19 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 1,300 | Cretaceous |
| Pierre Shale | 1,800 | Cretaceous |
| Greenhorn Limestone | 1,820 | Cretaceous |
| Fall River Sandstone | 2,750 | Cretaceous |
| Morrison Formation | 2,860 | Jurassic |
| Sundance Formation | 3,030 | Triassic |
| Spearfish Formation | 3,345 | Triassic/Permian |
| Minnekahta Limestone | 3,854 | Permian |
| Opeche Shale | 3,885 | Permian |
| Minnelusa Formation | 3,984 | Permian/Pennsylvanian |
| Madison Group | 4,620 | Mississippian |
| Lodgepole Limestone | 5,030 | Mississippian |
| Englewood Limestone | 5,110 | Mississippian/Devonian |
| Three Forks Shale | 5,155 | Devonian |
| Interlake Dolomite | 5,250 | Silurian |
| Red River Formation | 5,358 | Ordovician |
| Winnipeg Formation | 5,762 | Ordovician |
| Deadwood Formation | 5,850 | Ordovician/Cambrian |
| Precambrian | 6,315 | 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
Converted-Fresh Water SupplyDry HoleSpudded
1963-09-25
Measured depth
6,334 ft
True vertical depth
6,334 ft
Location
44.746660, -103.117531
44.74666, -103.11753 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Butte County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.