Flag-Redfern 1-29 Federal

API 4004720227 · Fall River County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole-Oil show
API
4004720227
Operator
Flag-Redfern Oil Co.
County
Fall River
Field
Wildcat
Permit
1445

Formation tops

South Dakota records 15 formations for this well, shallowest first.

FormationTop (ft)Age
Greenhorn Limestone642Cretaceous
Belle Fourche Shale674Cretaceous
Dakota Mud1,256Cretaceous
Skull Creek Shale1,282Cretaceous
Fall River Sandstone1,460Cretaceous
Lakota Formation1,612Cretaceous
Sundance Formation1,944Triassic
Spearfish Formation2,192Triassic/Permian
Minnekahta Limestone2,716Permian
Opeche Shale2,754Permian
Minnelusa Formation2,886Permian/Pennsylvanian
Red Marker, Minnelusa Formation3,294Permian/Pennsylvanian
1st Leo Sandstone, Minnelusa Formation3,317Pennsylvanian
2nd Leo Sandstone, Minnelusa Formation3,418Pennsylvanian
3rd Leo Sandstone, Minnelusa Formation3,488Pennsylvanian

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
1988-07-07
Measured depth
3,665 ft
True vertical depth
3,665 ft

Location

43.242245, -104.027683

43.24224, -104.02768 · Surface location as filed with South Dakota

Every well in Fall River County, South Dakota

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