Big Sky 10-20 Federal
API 4001920076 · Butte County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4001920076
Operator
Big Sky Ranches Inc. (ENRON)
County
Butte
Field
Wildcat
Location
NWSE Sec 20 Twp 013N Rng 04E
Permit
1663
Formation tops
South Dakota records 2 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Eagle Sandstone Member, Pierre Shale | 870 | Cretaceous |
| Shannon Sandstone Member, Pierre Shale | 1,083 | 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 HoleSpudded
2001-01-08
Completed
2001-05-10
Measured depth
1,260 ft
True vertical depth
1,260 ft
Location
45.073116, -103.657931
45.07312, -103.65793 · 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.