Complex sentence: The refinery is owned and operated by Bharat Oman Refineries Limited, it is promoted by Bharat Petroleum Corporation Limited (BPCL), one of India's leading Oil Companies listed as fortune 500 Company, with equity participation of Oman Oil Company S.A.O.C (OOC).
Split into simpler sentences: The refinery is owned and operated by Bharat Oman Refineries Limited (BORL). BORL is promoted by Bharat Petroleum Corporation Limited (BPCL), one of India's leading Oil Companies listed as fortune 500 Company, with equity participation of Oman Oil Company S.A.O.C (OOC).