Roosevelt 9-20 Porter
API 4004720240 · Fall River County, South Dakota · Porter Ranch field
Plugged and AbandonedDry Hole
API
4004720240
Operator
P. K. Roosevelt
County
Fall River
Field
Porter Ranch
Location
Permit
1473
Formation tops
South Dakota records 17 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Mowry Shale | 336 | Cretaceous |
| Dakota Mud | 580 | Cretaceous |
| Skull Creek Shale | 586 | Cretaceous |
| Fall River Sandstone | 707 | Cretaceous |
| Lakota Formation | 912 | Cretaceous |
| Morrison Formation | 1,136 | Jurassic |
| Sundance Formation | 1,257 | Triassic |
| Spearfish Formation | 1,544 | Triassic/Permian |
| Goose Egg Formation | 1,707 | Triassic/Permian |
| Minnekahta Limestone | 1,963 | Permian |
| Opeche Shale | 2,005 | Permian |
| Minnelusa Formation | 2,157 | Permian/Pennsylvanian |
| Converse Sand, Minnelusa Formation | 2,212 | Permian |
| Red Marker, Minnelusa Formation | 2,557 | Permian/Pennsylvanian |
| 1st Leo Sandstone, Minnelusa Formation | 2,570 | Pennsylvanian |
| 2nd Leo Sandstone, Minnelusa Formation | 2,681 | Pennsylvanian |
| 3rd Leo Sandstone, Minnelusa Formation | 2,739 | 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
1989-07-06
Measured depth
2,849 ft
True vertical depth
2,849 ft
Location
43.251662, -103.899770
43.25166, -103.89977 · 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.