Related Clues:

• Petroleum magnate
• The doctor might get you worse if he were to make a hole in you
• Searcher for oil
• Well! He may own one even if he comes from Milano
• Might one have money invested in Gulf state?
• J. Paul Getty or J.R. Ewing
• J.R. Ewing was one
• One working in the 'black gold' industry
• Owner of company that sinks wells for fuel
• Worker on drilling rig
• Borer
• One left in Arab country may look after the wells there
• His money may be well-earned
• Worker from Mongolia strangely denied leave
• Worker who thrives on strikes?