Investors 2 McLellan

API 4004120019 · Dewey County, South Dakota · Lantry field

Plugged and AbandonedDry Hole-Oil show
API
4004120019
Operator
Investors Drilling Ventures Inc.
County
Dewey
Field
Lantry
Permit
623

Formation tops

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

FormationTop (ft)Age
Niobrara Formation1,460Cretaceous
Greenhorn Limestone2,230Cretaceous
Belle Fourche Shale2,305Cretaceous
Dakota Mud2,725Cretaceous
Skull Creek Shale2,800Cretaceous
Fall River Sandstone2,970Cretaceous
Sundance Formation3,185Triassic
Piper Formation3,305Triassic
Minnelusa Formation3,380Permian/Pennsylvanian
Charles Formation4,080Mississippian
Mission Canyon Limestone4,200Mississippian
Lodgepole Limestone4,460Mississippian
Three Forks Shale4,670Devonian
Duperow Formation4,810Devonian
Stony Mountain Formation5,030Ordovician
Red River Formation5,068Ordovician

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
1971-01-18
Measured depth
5,127 ft
True vertical depth
5,127 ft

Location

45.006464, -101.473938

45.00646, -101.47394 · 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.