Chevron to Increase Output at Huge Oil Field in Kazakhstan NYT Par : Stanley Reed 24 janvier 2025 à 12:33 The energy giant is spending nearly $50 billion to expand the Tengiz oil field, allowing it to pump one million barrels a day. © Nanna Heitmann for The New York TimesThe Tengiz oil field in Kazakhstan, pictured in 2018, is one of the most prolific in the world.