Shell 1 Winter

API 4003105004 · Corson County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole-Oil show
API
4003105004
Operator
Shell Oil Co.
County
Corson
Field
Wildcat
Location
NWSW Sec 11 Twp 022N Rng 19E
Permit
55

Formation tops

South Dakota records 14 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation2,475Cretaceous
Greenhorn Limestone3,040Cretaceous
Newcastle Sandstone3,560Cretaceous
Fall River Sandstone3,788Cretaceous
Sundance Formation4,015Triassic
Minnekahta Limestone4,580Permian
1st Leo Sandstone, Minnelusa Formation4,865Pennsylvanian
Madison Group5,270Mississippian
Lodgepole Limestone5,864Mississippian
Devonian undifferentiated6,420Devonian
Red River Formation7,172Ordovician
Winnipeg Formation7,760Ordovician
Deadwood Formation7,915Ordovician/Cambrian
Precambrian8,424Precambrian

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-Oil show
Spudded
1951-12-06
Measured depth
8,445 ft
True vertical depth
8,445 ft

Location

45.882167, -101.739329

45.88217, -101.73933 · Surface location as filed with South Dakota

Every well in Corson County, South Dakota

South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.