Shamrock 1 Barrick

API 4011705010 · Stanley County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole
API
4011705010
Operator
Shamrock Oil and Gas Co.
County
Stanley
Field
Wildcat
Location
SESE Sec 29 Twp 008N Rng 27E
Permit
106

Formation tops

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

FormationTop (ft)Age
Greenhorn Limestone1,290Cretaceous
Newcastle Sandstone1,605Cretaceous
Skull Creek Shale1,945Cretaceous
Red River Formation3,493Ordovician

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
1954-07-19
Measured depth
3,929 ft
True vertical depth
3,929 ft

Location

44.619716, -100.875547

44.61972, -100.87555 · Surface location as filed with South Dakota

Every well in Stanley County, South Dakota

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