OAO Rosneft (ROSN) started operating a crude distillation unit at its Tuapse refinery on the Black Sea, data from the Russian Energy Ministry’s CDU-TEK show.

The plant known as AT-1 returned to service on July 9, according to an e-mail today from CDU-TEK, which collates information gathered from oil companies operating in Russia. It halted on July 1 for unplanned repairs, the data show.

The refinery can process 88,000 barrels of crude a day, according to data compiled by Bloomberg. Rosneft is currently working on expanding the plant’s capacity.

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