(EnergyAsia, September 28 2011, Wednesday) — State upstream company Oil India Limited (OIL) is looking to venture into the downstream sector by helping Hindustan Petroleum (HPCL) expand its two refineries. HPCL owns and operates a 6.5-million-tonne/year refinery in Mumbai and a 7.5-million-tonne/year refinery in Vishakapatnam. Oil India Chairman N. M. Borah said the two companies…