Related Clues:

• Some Texan V.I.P.'s
• Well-invested group?
• Rig owners
• Some Texan VIPs
• Some Texas tycoons
• Drill team?
• Ones with well-defined careers?
• Guys with gushers
• J. Paul Getty and others
• Crude fellows
• Some barons
• Rockefeller et al.
• 5-Across and others
• Drillmasters?
• They work well