Union Oil 1 USA 664
API 4006320017 · Harding County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4006320017
Operator
Union Oil Co. of California
County
Harding
Field
Wildcat
Location
NWSE Sec 29 Twp 015N Rng 02E
Permit
503
Location
45.232898, -103.902233
45.23290, -103.90223 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Harding County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-08-19.