ESPO Blend

ESPO Blend (Eastern Siberia–Pacific Ocean Blend) is a medium sour crude oil produced in Eastern Siberia and exported primarily to Asian markets via the ESPO pipeline system and Far East ports. It has become a key benchmark grade for the Asia-Pacific region, particularly for Chinese refiners, due to its proximity, relatively low freight costs, and attractive refining characteristics. ESPO’s pricing is typically quoted as a differential to global benchmarks such as Brent or Dubai, and its premium or discount reflects regional supply-demand conditions. Because ESPO is less sulphurous than many Middle Eastern grades and yields a favourable slate of middle distillates, it is highly sought after by complex refineries. ESPO differentials are sensitive to Chinese demand, refinery runs, shipping availability, sanctions, and geopolitical developments affecting Russian exports. Traders watch ESPO closely as a barometer of Asian crude market tightness and arbitrage flows. Changes in ESPO pricing can influence broader East Asian crude differentials and signal shifts in regional refining margins.