WellheadMap

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Pennzoil 12-8 Graves

Plugged Oil well

API number40-063-05125
Permit number400
OperatorContinental Resources Inc.
CountyHarding, South Dakota
FieldBuffalo
Permitted1965-09-02
Spudded1965-09-22
Completed1965-10-28
Plugged1988-03-22
Depth8,592 ft
Surface location45.799861, -103.663829 · wells within 1 mile
Directions to the wellhead: Google Maps Apple Maps Waze
State recordSouth Dakota Department of Agriculture and Natural Resources, Geological Survey Program ↗
Data as of2026-10-01

From South Dakota Department of Agriculture and Natural Resources, Geological Survey Program public records. Verify with the state before relying on this information.