阿格斯观点: 2025年加拿大重质原油现货价差将保持强劲

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Heavy crude spot differentials in Alberta are expected to remain strong into 2025, even with growing oil sands production and possible US import tariffs.

After years of cost-overruns and construction delays, the 590,000 b/d Trans Mountain Expansion (TMX) commenced on 1 May 2024, nearly tripling the capacity of crude able to reach Canada's Pacific coast and providing Alberta oil sands producers with increased access to buyers on the US west coast and Asia-Pacific.

Extra egress capacity for Alberta crude westward has pulled previously apportioned volumes away from Enbridge's 3mn b/d Mainline system — Canada's main method of export to ship crude south to US refiners in the midcontinent and Gulf coast. In the fourth quarter, apportionment averaged just over 1pc for both light and heavy crude on the Mainline, significantly lower than the average apportionment of 21pc for lights and heavies in the fourth quarter last year.

While president-elect Donald Trump's looming blanket tariff on all Canadian imports would re-direct more Albertan crude westward via TMX to Asia- Pacific buyers, many believe the tariff would be too harmful to US midcontinent refiners for Trump to actually carry out his threat.

Prior to TMX's commencement, high apportionment combined with rising crude production heading into the winter months forced more crude onto railcars, which typically requires a $15/bl to $20/bl spread between Western Canadian Select (WCS) at Hardisty Alberta, and Houston, Texas, for uncommitted shippers to profit. With the redirection of apportioned volumes to buyers in the west, Canadian heavy spot differentials in Alberta have strengthened in a quarter when discounts have generally widened in recent years. Argus's WCS Hardisty assessment averaged a $12.08/bl discount to the CMA Nymex WTI during fourth quarter Canadian trade cycle dates, $11.52/bl stronger than the $23.61/bl discount averaged in the fourth quarter a year prior.

Yet, crude output in Alberta's key oil sands is expected to rise heading into 2025, with production levels reaching record-high levels this year. Alberta crude output was 4.2mn b/d in October, according to the latest Alberta Energy Regulator (AER) data, up by 9.4pc year from a year earlier and the second highest monthly production on record. Alberta oil sands producers, meanwhile, have increased their crude production guidance for 2025. Suncor expects to pump out 810,000-840,000 b/d across its upstream sector in 2025, up by 5pc from 2024. Cenovus expects to increase production in 2025 by 4pc to between 805,000-845,000 b/d of oil equivalent (boe/d), and Imperial Oil plans to boost upstream production by 2pc to 433,000-456,000 boe/d.

Egress capacity remains ample despite rising production heading into 2025. Total crude pipeline egress capacity out of Alberta is expected to be over 4.6mn b/d in 2025, with shippers still yet to utilize uncommitted space on the 890,000 b/d Trans Mountain pipeline. About 712,000 b/d or 80pc of the system is reserved for contracted shippers, with the remaining 20pc available for uncontracted shipments. With unconstrained egress capacity expected to persist, Suncor and Cenovus have both assumed WCS at Hardisty will average a strong $14/bl discount to WTI in 2025.

In the near term, Trump's plans to impose a blanket 25pc tariff on all Canadian imports would threaten some US demand for Canadian crude. Yet, while some traders are pricing in the reality of US tariffs, most market participants are skeptical of whether Trump's tariff plans would extend to Canadian crude due to the co-dependency between Albertan producers and some US refiners. US midcontinent refiners, many of whom were financial backers of Trump's 2024 presidential campaign, are dependent on Canadian crude given a lack of access to alternative heavy sour crudes suited for their refineries.

Canadian grades represent approximately 70pc of the US midcontinent refinery feedstock, with the remainder largely sourced in the US.

US importers may take more crude from countries including Saudi Arabia, given the country has plenty of spare capacity to increase the production of heavy sour crude favored by US midcontinent refiners. However, replacing Canadian crude with waterborne supplies would result in a substantial increase in tanker demand. In August, only around 370,000 b/d of the 3.8mn b/d of Canadian crude imported by US refiners moved on tankers, Vortexa data show. Even if US refiners can replace Canadian and Mexican heavy crude, they are expected to face higher landed costs and, potentially, less reliable supplies.

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