Wilhite-Simcox-Star 1 Mandernach
API 4012920003 · Walworth County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4012920003
Operator
Wilhite-Simcox-Star Drilling Inc.
County
Walworth
Field
Wildcat
Location
SWSW Sec 08 Twp 123N Rng 77W
Permit
524
Formation tops
South Dakota records 3 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Greenhorn Limestone | 1,480 | Cretaceous |
| Dakota Mud | 1,801 | Cretaceous |
| Skull Creek Shale | 1,807 | Cretaceous |
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 HoleSpudded
1969-12-13
Measured depth
1,830 ft
True vertical depth
1,830 ft
Location
45.480245, -100.179678
45.48024, -100.17968 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Walworth County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.