Supply restructuring in the Atlantic basin is redrawing the inter-basin arbitrage map. Sanctions and logistics rerouting have pushed the Urals discount to Brent to ~-$4.1/bbl, making its delivered cost east of Suez well below benchmark grades; meanwhile Nigerian Forcados/Bonny cuts have narrowed Bonny Light's discount to Brent to ~-$1.2/bbl, reviving the West African light premium. The two forces pull in opposite directions — European refiners swing back toward Urals while Asia-Pacific re-exporters capture the spread as freight eases (Suez-east to East Asia ~$1.9/bbl).

For SNSUC's seven-grade re-export suite (ESPO / Dubai / Oman / Urals / Basrah Light / Bonny Light / Lula), the repricing of Urals and Bonny Light means Q4 deep-water cargo pricing needs a reset: Urals is better quoted as 'Brent minus discount plus freight gap', while Bonny Light must re-anchor to the West African light premium. We recommend embedding Atlantic-basin discount slopes into the quoting model and sealing each cargo's title and quality certificate with a SHA-256 fingerprint on the blockchain warrant, cutting cross-region delivery disputes.