ALGIERS, May 25 (Reuters) - Algeria's In Amenas gas plantstarted test production at its third train a week ago and willsoon back at full capacity, more than three years after amilitant attack, a source at state energy firm Sonatrach said onWednesday.
The plant's second train is in scheduled maintenance, but InAmenas should be back to its full 9 billion cubic metres (bcm) ayear capacity by late June for the first time since the 2013attack that killed 40 oil workers and hit output.
"Test production has been launched successfully, and theofficial opening is expected very shortly," a top Sonatrachsource, who asked not to be named, told Reuters.
"In the third week of June, the plant will come back to fullproduction at 9 billion cubic metre per year."
In Amenas is operated by BP, Statoil andSonatrach. Sonatrach engineers have been managing the plantsince BP and Statoil pulled out workers following a rocketattack in March on the Krechba gasfield. (Reporting by Lamine Chikhi; editing by Patrick Markey)