12-31 Stearns

API 4004720318 · Fall River County, South Dakota · Wildcat field

Converted-Fresh Water SupplyDry Hole-Oil and Gas show
API
4004720318
Operator
P. K. Roosevelt
County
Fall River
Field
Wildcat
Permit
1712

Formation tops

South Dakota records 8 formations for this well, shallowest first.

FormationTop (ft)Age
Belle Fourche Shale322Cretaceous
Mowry Shale733Cretaceous
Dakota Mud930Cretaceous
Skull Creek Shale957Cretaceous
Fall River Sandstone1,162Cretaceous
Lakota Formation1,374Cretaceous
Morrison Formation1,570Jurassic
Sundance Formation1,737Triassic

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 Hole-Oil and Gas show
Spudded
2005-04-18
Completed
2005-04-22
Measured depth
1,920 ft
True vertical depth
1,920 ft

Location

43.222326, -103.816572

43.22233, -103.81657 · Surface location as filed with South Dakota

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.