MOSCOW, May 15 (Reuters) - Kazakhstan's Tengizchevroil

(TCO) increased its oil output at the giant Tengiz oil field by

25% in the first quarter of 2025 to 74.5 million barrels, or

9.37 million metric tons, it said in its quarterly report on

Thursday.

Tengizchevroil is owned by Chevron ( CVX ) with a 50% stake,

ExxonMobil ( XOM ) with 25%, Kazmunaigaz with 20%, and

Lukoil with 5%.

TCO said it has been gradually increasing oil output at

Tengiz, with its full capacity level at the field expected to be

870,000 barrels per day, or 40 million tons a year.