A Suncor refinery in Sarnia, Ont., in 2021. Suncor’s refineries operated at higher levels than their stated operational capacity this past quarter.

Suncor Energy Inc. SU-T booked yet another quarter of record production and refining this week even as it saw a decline in third-quarter profit owing to weak oil prices.

The Calgary-based company produced roughly 870,000 barrels a day from July through September. Chief executive officer Rich Kruger said Wednesday said it was “far and away, our best third quarter ever,” hitting around 41,000 barrels a day higher than Suncor’s previous record, which was set last year.

Suncor’s refineries also operated at levels that exceeded their stated operational capacity this past quarter, averaging 102-per-cent utilization.

In all, Suncor refined rough

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