Oil or gas well record in the Kentucky Geological Survey data repository.Well Number: A4 Original Operator: CITIES SERVICE OIL CO Farm Name: FERRELL & HATCHER ET AL Permit Date: 3/12/1968 Completion Date: 4/10/1968 Well Elevation (ft): 1141 Total Depth Formation: Devonian-Ohio Sh Deepest Pay Formation: Mississippian-Berea Ss Deviated or Vertical: vertical