Oil or gas well record in the Kentucky Geological Survey data repository.Well Number: 4 Original Operator: PETROLEUM EXPLORATION CO Farm Name: BLACK HEIRS Permit Date: 3/1/1952 Completion Date: 7/2/1952 Well Elevation (ft): 1080 Total Depth Formation: Silurian-Clinton Sh Deepest Pay Formation: Devonian-"Corniferous" Deviated or Vertical: vertical