Oil or gas well record in the Kentucky Geological Survey data repository.Well Number: 7 Original Operator: CARROLL OIL & GAS CO Farm Name: OVERFIELD, O W Permit Date: Completion Date: 10/28/1941 Well Elevation (ft): 400 Total Depth Formation: Pennsylvanian-Pennsylvanian System Deepest Pay Formation: Pennsylvanian-Pennsylvanian System Deviated or Vertical: vertical