Investors 3 Jacob Little Skunk

API 4004120023 · Dewey County, South Dakota · Lantry field

Plugged and AbandonedDry Hole
API
4004120023
Operator
Great Plains Resources Inc.
County
Dewey
Field
Lantry
Permit
627

Formation tops

South Dakota records 16 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation1,350Cretaceous
Greenhorn Limestone2,160Cretaceous
Belle Fourche Shale2,260Cretaceous
Dakota Mud2,690Cretaceous
Mowry Shale2,780Cretaceous
Fall River Sandstone2,940Cretaceous
Sundance Formation3,080Triassic
Piper Formation3,240Triassic
Minnelusa Formation3,350Permian/Pennsylvanian
Charles Formation4,050Mississippian
Mission Canyon Limestone4,160Mississippian
Lodgepole Limestone4,450Mississippian
Three Forks Shale4,735Devonian
Duperow Formation4,800Devonian
Stony Mountain Formation5,000Ordovician
Red River Formation5,055Ordovician

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
1971-03-06
Measured depth
5,104 ft
True vertical depth
5,104 ft

Location

45.066263, -101.463037

45.06626, -101.46304 · Surface location as filed with South Dakota

Every well in Dewey County, South Dakota

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