U.S. Refiners Face New Crude Squeeze as Canada Cuts Oil Sands Output

American refineries face a potential supply crunch as Canadian oil sands producers prepare for seasonal maintenance. According to OilPrice.com, analysts at Rystad Energy project that daily output from the region could fall by 300,000 barrels during September. While temporary disruptions are typically mitigated by tapping into reserves, current stockpiles sit at their lowest levels in a year, limiting the ability to offset these production losses.

The expected reduction comes as U.S. facilities have been operating at high capacity to meet robust fuel export demand and compensate for Middle Eastern supply instability. Major oil sands firms are all scheduled for maintenance activities, and pipeline firms have reportedly eased space rationing in anticipation of lower volumes. This shift threatens to impact the four million barrels of heavy crude usually sent south to the United States daily.

Alternative sources appear insufficient to fill the gap left by Canadian producers. Although shipments from Venezuela have increased recently, the ramp-up remains slow, with July exports to the United States averaging 786,000 barrels per day. Industry experts suggest the Venezuelan recovery is hindered by cautious supermajors and a reliance on inventory drawdowns rather than meaningful production gains, leaving global fuel supplies potentially constrained as the heating season approaches.