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US crude pipeline premiums at multi-year highs: Update

  • Market: Crude oil
  • 18/03/26

Permian-quality WTI in Houston surged to a new multi-year high Wednesday as futures prices continued to climb due to war-driven export demand, but WTI waterborne Gulf coast fob prices continue to be pressured by high freight rates.

Argus' WTI Houston outright assessment settled at $101.13/bl Wednesday, surpassing its 13 March assessment when it first reached its highest level since 25 July 2022. The WTI Houston volume-weighted average premium also soared to a new multi-year high, trading over $1.90/bl higher than Tuesday at $3.50-$5.50/bl premiums to Domestic Sweet (DSW) and settling at its widest premium to the basis since 21 April 2020.

Louisiana-delivered Mars was also up from Tuesday at $103.51/bl. The medium sour was reported trading as strong as a $7.50/bl premium relative to DSW, up by roughly $2.85/bl from Tuesday.

US benchmark April Nymex WTI settled higher by 11¢/bl at $96.32/bl, while May Ice Brent rose by $3.96/bl to $107.38/bl.

European physical crude benchmark North Sea Dated also climbed to $112.83/bl, its highest price since late July 2022.

US crude values have been supported as refiners seek alternative supply to replace Middle Eastern barrels that are essentially cut off with the de facto closure of the strait of Hormuz. Prices are being further supported as Iran threatened retaliatory strikes against downstream facilities in the Middle East today.

Buyers typically reliant on Middle Eastern supply are exploring more established non-Mideast options, with refiners in Thailand, Vietnam and Taiwan leaning more heavily on US crude to diversify away from Mideast crude should the flows remain disrupted.

Even with the elevated freight rates, the delivered economics still favor US barrels, prompting refiners across Japan, South Korea and Southeast Asia to secure additional volumes as regional premiums spike and war-risk costs rise.

WTI fob US Gulf coast values have been pressured as the high freight rates have offset the support offered by increased export demand. Rates from the region remain elevated, although they have eased from a spike at the beginning of the conflict. Limited VLCC tonnage, longer ballast times and elevated insurance costs are squeezing the market, slowing spot activity and leaving differentials largely governed by freight-driven constraints.

To help mitigate the supply disruptions and ease crude prices, President Donald Trump's administration said it will offer long-term crude loans from the US Strategic Petroleum Reserve. The DOE finished accepting bids on Tuesday night on an initial solicitation that offered to release half of the crude and expects early deliveries from the exchanges will start by the end of this week.


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