General Crude 1 Assman Ranch

API 4012305002 · Tripp County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole
API
4012305002
Operator
General Crude Oil Co.
County
Tripp
Field
Wildcat
Permit
188

Formation tops

South Dakota records 9 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation1,100Cretaceous
Greenhorn Limestone1,530Cretaceous
Newcastle Sandstone1,713Cretaceous
Fall River Sandstone1,920Cretaceous
Piper Formation2,460Triassic
Minnelusa Formation2,570Permian/Pennsylvanian
Red River Formation2,770Ordovician
Winnipeg Formation2,950Ordovician
Precambrian3,015Precambrian

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 Hole
Spudded
1956-06-30
Measured depth
3,024 ft
True vertical depth
3,024 ft

Location

43.293334, -100.049658

43.29333, -100.04966 · Surface location as filed with South Dakota

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.