West Texas Sour Weakens as Refinery Maintenance Strands Crude

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West Texas Sour crude weakened relative to the U.S. benchmark as refinery maintenance along the U.S. Gulf Coast reduced demand for Permian Basin oil.

WTS, a low-density, high-sulfur grade, fell 45 cents to a $1.80-a-barrel discount to West Texas Intermediate in Cushing, Oklahoma, at 4 p.m., according to data compiled by Bloomberg.