Carter Unit 1 McCollom
API 4012320005 · Tripp County, South Dakota · Wildcat field
Converted-Fresh Water SupplyDry Hole
API
4012320005
Operator
Carter Unit Inc.
County
Tripp
Field
Wildcat
Location
Permit
723
Formation tops
South Dakota records 13 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Niobrara Formation | 952 | Cretaceous |
| Carlile Shale | 1,125 | Cretaceous |
| Greenhorn Limestone | 1,387 | Cretaceous |
| Graneros | 1,442 | Cretaceous |
| Dakota Mud | 1,574 | Cretaceous |
| Skull Creek Shale | 2,027 | Cretaceous |
| Fall River Sandstone | 2,085 | Cretaceous |
| Lakota Formation | 2,178 | Cretaceous |
| Morrison Formation | 2,232 | Jurassic |
| Sundance Formation | 2,320 | Triassic |
| Minnelusa Formation | 2,421 | Permian/Pennsylvanian |
| Red River Formation | 2,772 | Ordovician |
| Precambrian | 2,927 | Precambrian |
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
1975-06-10
Measured depth
2,956 ft
True vertical depth
2,956 ft
Location
43.348480, -100.203329
43.34848, -100.20333 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Tripp County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.