Herndon 1 State
API 4004105001 · Dewey County, South Dakota · Lantry field
Plugged and AbandonedDry Hole
API
4004105001
Operator
Herndon Drilling Co.
County
Dewey
Field
Lantry
Location
SWNW Sec 34 Twp 013N Rng 24E
Permit
143
Formation tops
South Dakota records 2 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Three Forks Shale | 4,500 | Devonian |
| Red River Formation | 4,748 | Ordovician |
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
1955-10-24
Measured depth
4,897 ft
True vertical depth
4,897 ft
Location
45.047311, -101.177321
45.04731, -101.17732 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Dewey County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.