Bolyard 1-11 M State
API 4009520002 · Mellette County, South Dakota · Wildcat field
Plugged and AbandonedDry Hole
API
4009520002
Operator
Bolyard Oil and Gas Ltd.
County
Mellette
Field
Wildcat
Location
SESE Sec 11 Twp 042N Rng 31W
Permit
1054
Formation tops
South Dakota records 3 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Pierre Shale | 1,040 | Cretaceous |
| Niobrara Formation | 1,056 | Cretaceous |
| Greenhorn Limestone | 1,565 | 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
1981-01-26
Measured depth
1,680 ft
True vertical depth
1,680 ft
Location
43.624184, -100.962698
43.62418, -100.96270 · Surface location as filed with South Dakota⌘ or Ctrl + scroll to zoom
Every well in Mellette County, South Dakota
South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.