Benedum 1 Shaffner
API 4011705005 · Stanley County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4011705005
Operator
P. Benedum
County
Stanley
Field
Wildcat
Location
NWNW Sec 26 Twp 006N Rng 27E
Permit
81
Formation tops
South Dakota records 10 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 1,095 | Cretaceous |
| Dakota Mud | 1,540 | Cretaceous |
| Lakota Formation | 1,850 | Cretaceous |
| Minnelusa Formation | 2,356 | Permian/Pennsylvanian |
| Lodgepole Limestone | 3,072 | Mississippian |
| Englewood Limestone | 3,397 | Mississippian/Devonian |
| Three Forks Shale | 3,490 | Devonian |
| Duperow Formation | 3,530 | Devonian |
| Red River Formation | 3,683 | Ordovician |
| Winnipeg Formation | 3,845 | 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
1953-06-04
Measured depth
3,900 ft
True vertical depth
3,900 ft
Location
44.457191, -100.830453
44.45719, -100.83045 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Stanley County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.