Domestic crude output dropped to 15.98 million tonnes, or 3.89 million barrels per day, near the lowest in six years on a daily basis, National Bureau of Statistics data showed on Wednesday, reflecting both spending cuts at oilfields and the closure of old wells.
The sharp decline, following a record 9.9% drop in August, is the latest sign that a prolonged efficiency drive by drillers in one of the world's top five producers may help to rebalance the oversupplied global market.
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