Related Clues:

• Crude company?
• Petroleum company role
• Oil company
• Make allusion about popular distiller
• About to punish, in a way, monarch who makes improvements?
• One clarifying limits of rule right to support penalty?
• One who removes impurities (from metal)
• Oilman at home in advert
• Oil processor
• He clarifies advert about home
• Oil worker perhaps sees top of rig in free fall
• It removes sediment and other foreign matter
• One should clarify the matter
• Purifier produced some more fine results
• Crude fellow?