Helms 1 R. G. Robinson
API 4003305004 · Custer County, South Dakota · Barker Dome field
Plugged and AbandonedDry Hole
API
4003305004
Operator
L. A. Helms
County
Custer
Field
Barker Dome
Location
Permit
154
Formation tops
South Dakota records 6 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Spearfish Formation | 140 | Triassic/Permian |
| Minnekahta Limestone | 675 | Permian |
| Opeche Shale | 725 | Permian |
| Converse Sand, Minnelusa Formation | 807 | Permian |
| Red Marker, Minnelusa Formation | 1,245 | Permian/Pennsylvanian |
| 1st Leo Sandstone, Minnelusa Formation | 1,255 | 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 HoleSpudded
1955-09-16
Measured depth
1,650 ft
True vertical depth
1,650 ft
Location
43.484474, -103.861995
43.48447, -103.86199 · 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.