Harmon 1 Geis

API 4001905178 · Butte County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole
API
4001905178
Operator
R. P. Harmon Associates Inc.
County
Butte
Field
Wildcat
Location
NESW Sec 20 Twp 008N Rng 01E
Permit
H53-1

Formation tops

South Dakota records 4 formations for this well, shallowest first.

FormationTop (ft)Age
Spearfish Formation185Triassic/Permian
Minnekahta Limestone1,064Permian
Opeche Shale1,124Permian
Minnelusa Formation1,228Permian/Pennsylvanian

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
1953-01-01
Measured depth
1,321 ft
True vertical depth
1,321 ft

Location

44.638979, -104.024608

44.63898, -104.02461 · Surface location as filed with South Dakota

Every well in Butte County, South Dakota

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