Gary 7-31 Dodson
API 4004720006 · Fall River County, South Dakota · Wildcat field
Converted-Fresh Water SupplyDry Hole
API
4004720006
Operator
S. Gary
County
Fall River
Field
Wildcat
Location
SWNE Sec 31 Twp 007S Rng 02E
Permit
445
Formation tops
South Dakota records 12 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Fall River Sandstone | 287 | Cretaceous |
| Morrison Formation | 394 | Jurassic |
| Sundance Formation | 547 | Triassic |
| Spearfish Formation | 910 | Triassic/Permian |
| Goose Egg Formation | 1,120 | Triassic/Permian |
| Minnekahta Limestone | 1,385 | Permian |
| Opeche Shale | 1,425 | Permian |
| Minnelusa Formation | 1,530 | Permian/Pennsylvanian |
| Red Marker, Minnelusa Formation | 1,966 | Permian/Pennsylvanian |
| 1st Leo Sandstone, Minnelusa Formation | 1,990 | Pennsylvanian |
| 2nd Leo Sandstone, Minnelusa Formation | 2,094 | Pennsylvanian |
| 3rd Leo Sandstone, Minnelusa Formation | 2,284 | Pennsylvanian |
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
Converted-Fresh Water SupplyDry HoleSpudded
1968-09-25
Measured depth
2,340 ft
True vertical depth
2,340 ft
Location
43.400140, -103.922914
43.40014, -103.92291 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Fall River County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.