Investors 3 Holloway
API 4004120005 · Dewey County, South Dakota · Lantry field
Plugged and AbandonedDry Hole-Oil show
API
4004120005
Operator
Investors Drilling Ventures Inc.
County
Dewey
Field
Lantry
Location
Permit
565
Formation tops
South Dakota records 16 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 1,390 | Cretaceous |
| Greenhorn Limestone | 2,170 | Cretaceous |
| Belle Fourche Shale | 2,250 | Cretaceous |
| Dakota Mud | 2,680 | Cretaceous |
| Skull Creek Shale | 2,770 | Cretaceous |
| Fall River Sandstone | 2,930 | Cretaceous |
| Sundance Formation | 3,075 | Triassic |
| Piper Formation | 3,270 | Triassic |
| Minnelusa Formation | 3,340 | Permian/Pennsylvanian |
| Charles Formation | 4,045 | Mississippian |
| Mission Canyon Limestone | 4,150 | Mississippian |
| Lodgepole Limestone | 4,410 | Mississippian |
| Three Forks Shale | 4,615 | Devonian |
| Duperow Formation | 4,750 | Devonian |
| Stony Mountain Formation | 4,950 | Ordovician |
| Red River Formation | 4,992 | 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 Hole-Oil showSpudded
1970-07-06
Measured depth
5,055 ft
True vertical depth
5,055 ft
Location
45.031868, -101.443612
45.03187, -101.44361 · 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.