Texaco 1 Yuker

API 4004120031 · Dewey County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole
API
4004120031
Operator
Texaco Inc.
County
Dewey
Field
Wildcat
Location
NWSW Sec 16 Twp 017N Rng 26E
Permit
1074

Formation tops

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

FormationTop (ft)Age
Niobrara Formation1,318Cretaceous
Greenhorn Limestone1,980Cretaceous
Dakota Mud2,485Cretaceous
Skull Creek Shale2,545Cretaceous
Fall River Sandstone2,725Cretaceous
Minnekahta Limestone3,112Permian
Minnelusa Formation3,180Permian/Pennsylvanian
3rd Leo Sandstone, Minnelusa Formation3,370Pennsylvanian
Madison Group3,775Mississippian
Three Forks Shale4,010Devonian
Duperow Formation4,350Devonian
Stony Mountain Formation4,690Ordovician
Red River Formation4,733Ordovician
Winnipeg Formation5,292Ordovician
Deadwood Formation5,420Ordovician/Cambrian
Precambrian5,685Precambrian

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
1981-05-09
Measured depth
5,741 ft
True vertical depth
5,741 ft

Location

45.434596, -100.933591

45.43460, -100.93359 · 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.