The Energy Information Administration reported a buildup of 4 million barrels in the week ending April 20. Supplies reached 373 million barrels in the fifth consecutive week of increased inventories.
West Texas Intermediate crude for June delivery topped $104 but settled lower at $103.92 on the New York Mercantile Exchange.
Home heating oil prices lost 0.24 cents to $3.1645 per gallon. Reformulated blendstock gasoline added 1.9 cents to $3.121 per gallon.
Natural gas prices rose 2.1 cents to $2.17 per million British thermal units.
At the pump, the national average price of unleaded gasoline dropped to $3.84 per gallon Wednesday from Tuesday's $3.849, AAA said.
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