Eni has started gas production from the Merakes East field in the Kutei Basin offshore Indonesia, the Italian energy group said on Tuesday in a statement. The field is part of the East Sepinggan block, where Eni holds an 85 per cent operating stake, and its production is expected to contribute up to approximately 18,000 barrels of oil equivalent per day to Eni's output. The gas is processed at the Jangkrik Floating Production Unit and transported to Indonesia's internal market and the Bontang