
ASTANA, Oct 21 (Reuters) - Kazakhstan's Chevron CVX.N-led Tengiz oilfield, the country's largest, has been undergoing maintenance which is due to be completed on October 24, Energy Minister Erlan Akkenzhenov told Reuters on Tuesday.
Tengizchevroil (TCO), Kazakhstan's largest producer, reached record monthly output of 3.715 million metric tons, or around 953,000 barrels per day, in August at the field.