Chevron confirmed that production at the Tengiz oil field has not resumed following a fire at the GTES‑4 power station on January 18, 2026, which triggered a shutdown on January 19.
The Tengiz field, one of the world’s largest onshore supergiants, has a design capacity of 700,000‑860,000 barrels per day and supplies about 50 % of Kazakhstan’s total oil output. The shutdown has halted at least five export cargoes of CPC Blend crude, totaling an estimated 600,000‑700,000 metric tons.
Brent crude rose above $65 per barrel after the incident, reflecting traders’ concern over a temporary tightening of supply. The Caspian Pipeline Consortium’s throughput has been reduced, but market participants expect a swift resolution and have largely discounted a prolonged disruption.
Industry estimates place the outage at 7‑10 days, with the possibility of extending into early February. A special commission has been convened in Kazakhstan to investigate the fire and its impact on operations.
Chevron has recently completed the Future Growth Project and Wellhead Pressure Management Project at Tengiz, adding roughly 260,000 barrels per day of capacity and raising the fieldwide output to about 1 million barrels of oil equivalent per day. The shutdown threatens the return on these capital investments and could affect the company’s upstream earnings profile.
Chevron’s spokesperson said the operations team is working to restore power and resume production, but no specific timeline has been provided. Management has emphasized the importance of operational resilience in the region, though no CEO or CFO comments were released at this time.
The incident highlights the operational risks inherent in large‑scale production in politically sensitive regions. While the market reaction has been muted, the event underscores potential supply disruptions that could impact Chevron’s cash flow and upstream portfolio performance.
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