Ladd 1 Porter
API 4004720194 · Fall River County, South Dakota · Porter Ranch field
Plugged and AbandonedDry Hole
API
4004720194
Operator
Ladd Petroleum Corp.
County
Fall River
Field
Porter Ranch
Location
Permit
1377
Formation tops
South Dakota records 10 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Dakota Mud | 864 | Cretaceous |
| Morrison Formation | 1,036 | Jurassic |
| Sundance Formation | 1,211 | Triassic |
| Spearfish Formation | 1,566 | Triassic/Permian |
| Minnekahta Limestone | 1,982 | Permian |
| Opeche Shale | 2,022 | Permian |
| Minnelusa Formation | 2,192 | Permian/Pennsylvanian |
| Red Marker, Minnelusa Formation | 2,532 | Permian/Pennsylvanian |
| 1st Leo Sandstone, Minnelusa Formation | 2,566 | Pennsylvanian |
| 2nd Leo Sandstone, Minnelusa Formation | 2,675 | 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
Plugged and AbandonedDry HoleSpudded
1985-07-05
Measured depth
2,816 ft
True vertical depth
2,816 ft
Location
43.251234, -103.890462
43.25123, -103.89046 · 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.