Cockrell 16-1 State

API 4003120023 · Corson County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole-Oil show
API
4003120023
Operator
Cockrell Oil Corp.
County
Corson
Field
Wildcat
Location
NWNW Sec 16 Twp 021N Rng 19E
Permit
1065

Formation tops

South Dakota records 17 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation2,276Cretaceous
Greenhorn Limestone2,830Cretaceous
Mowry Shale3,011Cretaceous
Fall River Sandstone3,610Cretaceous
Sundance Formation3,734Triassic
Spearfish Formation4,120Triassic/Permian
Minnekahta Limestone4,208Permian
Minnelusa Formation4,316Permian/Pennsylvanian
Charles Formation5,051Mississippian
Mission Canyon Limestone5,320Mississippian
Lodgepole Limestone5,618Mississippian
Three Forks Shale6,182Devonian
Duperow Formation6,281Devonian
Interlake Dolomite6,509Silurian
Red River Formation6,912Ordovician
Winnipeg Formation7,464Ordovician
Deadwood Formation7,633Ordovician/Cambrian

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
1981-04-06
Measured depth
8,040 ft
True vertical depth
8,040 ft

Location

45.787919, -101.780458

45.78792, -101.78046 · 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.