(EnergyAsia, February 27) — India’s state upstream company, ONGC Videsh Ltd (OVL) is teaming up with PetroEcuador and Petroleos de Venezuela (PDVSA) to build a $4.5-billion oil refinery in Ecuador.             Carlos Abad, Ecuador’s ambassador to India, who recently disclosed this said his country wants to step up trade and investment ties with India and…