Heikkila 5-18
API 4006320578 · Harding County, South Dakota · West Short Pine Hills field
Shut InGas
API
4006320578
Operator
Clark Blake Production, LLC
County
Harding
Field
West Short Pine Hills
Location
Permit
1703
Formation tops
South Dakota records 7 formations for this well, shallowest first.
| Formation | Top (ft) | Age |
|---|---|---|
| Eagle Sandstone Member, Pierre Shale | 1,182 | Cretaceous |
| Niobrara Formation | 2,026 | Cretaceous |
| Carlile Shale | 2,357 | Cretaceous |
| Greenhorn Limestone | 2,710 | Cretaceous |
| Mowry Shale | 3,170 | Cretaceous |
| Newcastle Sandstone | 3,502 | Cretaceous |
| Dakota Mud | 3,805 | 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
Shut InGasSpudded
2004-02-14
Measured depth
4,000 ft
True vertical depth
4,000 ft
Location
45.353589, -103.920727
45.35359, -103.92073 · 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 2026-09-11.