Helms 1 Spencer
API 4003320023 · Custer County, South Dakota · Barker Dome field
Plugged and AbandonedDry Hole
API
4003320023
Operator
D. Helms
County
Custer
Field
Barker Dome
Location
Permit
1470
Formation tops
South Dakota records 2 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Converse Sand, Minnelusa Formation | 730 | Permian |
| Red Marker, Minnelusa Formation | 1,154 | Permian/Pennsylvanian |
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 HoleMeasured depth
1,510 ft
True vertical depth
1,510 ft
Location
43.491446, -103.877085
43.49145, -103.87708 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Custer County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.