Breakfast in Italy, the petroleum executives left Lower Manhattan near Wall Street on Friday and flew to Rome. A couple executives flew to their other homes in Malibu. Petroleum Refinery Process Control Superintendent $200,000 per year. Instrumentation Engineer $100,000 per year. Reliability Adviser. $160,000 per year. Petroleum Engineer $110,000. Petroleum Supply Specialist, Laboratory Manager, Petroleum Inspector, Refinery Piping Designer.