Investors 2 Holloway
API 4004120004 · Dewey County, South Dakota · Lantry field
Plugged and AbandonedDry Hole-Oil show
API
4004120004
Operator
Investors Drilling Ventures Inc.
County
Dewey
Field
Lantry
Location
Permit
562
Formation tops
South Dakota records 15 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 2,140 | Cretaceous |
| Mowry Shale | 2,440 | Cretaceous |
| Dakota Mud | 2,660 | Cretaceous |
| Skull Creek Shale | 2,740 | Cretaceous |
| Fall River Sandstone | 2,910 | Cretaceous |
| Morrison Formation | 2,960 | Jurassic |
| Piper Formation | 3,175 | Triassic |
| Minnelusa Formation | 3,260 | Permian/Pennsylvanian |
| Charles Formation | 3,990 | Mississippian |
| Mission Canyon Limestone | 4,050 | Mississippian |
| Lodgepole Limestone | 4,340 | Mississippian |
| Three Forks Shale | 4,350 | Devonian |
| Duperow Formation | 4,670 | Devonian |
| Stony Mountain Formation | 4,915 | Ordovician |
| Red River Formation | 4,957 | 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
1970-06-15
Measured depth
5,035 ft
True vertical depth
5,035 ft
Location
45.031821, -101.448795
45.03182, -101.44880 · 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.