Cenex 14-21 Harding Co.

API 4006320489 · Harding County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole-Oil show
API
4006320489
Operator
Cenex Inc.
County
Harding
Field
Wildcat
Location
SESW Sec 21 Twp 023N Rng 03E
Permit
1496

Formation tops

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

FormationTop (ft)Age
Greenhorn Limestone3,545Cretaceous
Mowry Shale4,042Cretaceous
Fall River Sandstone4,532Cretaceous
Pine Salt, Spearfish Formation5,750Permian
Minnekahta Limestone6,084Permian
Opeche Shale6,124Permian
Minnelusa Formation6,202Permian/Pennsylvanian
Charles Formation6,842Mississippian
Mission Canyon Limestone7,166Mississippian
Lodgepole Limestone7,626Mississippian
Duperow Formation8,166Devonian
Interlake Dolomite8,342Silurian
Stony Mountain Formation8,652Ordovician
Red River Formation8,810Ordovician

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
1990-08-01
Measured depth
9,101 ft
True vertical depth
9,101 ft

Location

45.937577, -103.761778

45.93758, -103.76178 · Surface location as filed with South Dakota

Every well in Harding County, South Dakota

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