(EnergyAsia, October 24 2011, Monday) — Oman could more than double its existing 222,000 b/d of refining capacity to 500,000 b/d later this decade if two state-owned companies follow through on their plans. Oman Oil Company and Abu Dhabi’s International Petroleum Investment Company (IPIC) are planning to jointly invest US$6 billion in building a 230,000 b/d…