Phillips 1 State

API 4013705000 · Ziebach County, South Dakota · Wildcat field

Plugged and AbandonedDry Hole
API
4013705000
Operator
Phillips Petroleum Co.
County
Ziebach
Field
Wildcat
Location
NENW Sec 20 Twp 011N Rng 23E
Permit
232

Formation tops

South Dakota records 5 formations for this well, shallowest first.

FormationTop (ft)Age
Greenhorn Limestone2,163Cretaceous
Belle Fourche Shale2,257Cretaceous
Newcastle Sandstone2,685Cretaceous
Skull Creek Shale2,776Cretaceous
Morrison Formation2,989Jurassic

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
1957-05-20
Measured depth
3,002 ft
True vertical depth
3,002 ft

Location

44.905263, -101.353441

44.90526, -101.35344 · Surface location as filed with South Dakota

Every well in Ziebach County, South Dakota

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