The company had shut its No 1 crude unit with a capacity of about 50,000 bpd in October for a planned maintenance and returned the unit online on November 5, sources close to the matter said.

There are two other crude units at the refinery. There is no other planned maintenance scheduled at the refinery for 2013, the source added.

Chennai Petroleum owns 2 refineries in Tamil Nadu with a combined capacity of 230,000 bpd. The other smaller refinery is located at Nagapattinam.


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