Possible Clues:

• Oklahoma county or its seat
• A floozie from the right part of Oklahoma
• City with two universities in northeast Oklahoma
• City near the Red Fork oil fields
• 'Livin' on ___ time' (lyric in a #1 Don Williams country hit)
• Southern oil center
• Where about 400,000 47-Downs live
• City whose name means 'old town' in Creek
• Oklahoma university city
• Tons left in country's oil centre