(EnergyAsia, April 28 2014, Monday) — State-owned Oman Oil Refineries and Petroleum Industries Company (Orpic) has begun work on US$7 billion worth of investments to develop the sultanate into a major energy hub to serve the Middle East. CEO Musab Al Mahruqi said Orpic is upgrading its Sohar oil refinery, building a 290km pipeline to…