Lario 1-21 Federal
API 4001920030 · Butte County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole-Gas show
API
4001920030
Operator
Lario Oil and Gas Co.
County
Butte
Field
Wildcat
Location
NESW Sec 21 Twp 014N Rng 04E
Permit
943
Formation tops
South Dakota records 3 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Ardmore Bentonite | 827 | Cretaceous |
| Eagle Sandstone Member, Pierre Shale | 850 | Cretaceous |
| Shannon Sandstone Member, Pierre Shale | 1,030 | Cretaceous |
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-Gas showSpudded
1980-08-07
Completed
1980-08-09
Measured depth
1,150 ft
True vertical depth
1,150 ft
Location
45.160563, -103.642025
45.16056, -103.64203 · 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.