Webb 30-8 Njos Janvrin
API 4006320126 · Harding County, South Dakota · State Line field
Plugged and AbandonedDry Hole-Oil and Gas show
API
4006320126
Operator
Webb Resources Inc.
County
Harding
Field
State Line
Location
Permit
791
Formation tops
South Dakota records 13 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 3,690 | Cretaceous |
| Dakota Mud | 4,685 | Cretaceous |
| Piper Formation | 5,575 | Triassic |
| Minnekahta Limestone | 6,145 | Permian |
| Opeche Shale | 6,195 | Permian |
| Minnelusa Formation | 6,275 | Permian/Pennsylvanian |
| Charles Formation | 6,895 | Mississippian |
| Mission Canyon Limestone | 7,370 | Mississippian |
| Lodgepole Limestone | 7,750 | Mississippian |
| Duperow Formation | 8,215 | Devonian |
| Interlake Dolomite | 8,465 | Silurian |
| Stony Mountain Formation | 8,795 | Ordovician |
| Red River Formation | 8,950 | 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 and Gas showSpudded
1977-04-30
Measured depth
9,200 ft
True vertical depth
9,200 ft
Location
45.930675, -103.544838
45.93068, -103.54484 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Harding County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.